Implement quick_allocator in terms of std::allocator and deprecate it

Enable C++20 constexpr for intrusive_ptr

.drone.jsonnet

@@ -0,0 +1,421 @@
+# Copyright 2022 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+local library = "smart_ptr";
+
+local triggers =
+{
+    branch: [ "master", "develop", "feature/*" ]
+};
+
+local ubsan = { UBSAN: '1', UBSAN_OPTIONS: 'print_stacktrace=1' };
+local asan = { ASAN: '1' };
+
+local linux_pipeline(name, image, environment, packages = "", sources = [], arch = "amd64") =
+{
+    name: name,
+    kind: "pipeline",
+    type: "docker",
+    trigger: triggers,
+    platform:
+    {
+        os: "linux",
+        arch: arch
+    },
+    steps:
+    [
+        {
+            name: "everything",
+            image: image,
+            environment: environment,
+            commands:
+            [
+                'set -e',
+                'uname -a',
+                'echo $DRONE_STAGE_MACHINE',
+            ] +
+            (if sources != [] then [ ('apt-add-repository "' + source + '"') for source in sources ] else []) +
+            (if packages != "" then [ 'apt-get update', 'apt-get -y install ' + packages ] else []) +
+            [
+                'export LIBRARY=' + library,
+                './.drone/drone.sh',
+            ]
+        }
+    ]
+};
+
+local macos_pipeline(name, environment, xcode_version = "12.2", osx_version = "catalina", arch = "amd64") =
+{
+    name: name,
+    kind: "pipeline",
+    type: "exec",
+    trigger: triggers,
+    platform: {
+        "os": "darwin",
+        "arch": arch
+    },
+    node: {
+        "os": osx_version
+    },
+    steps: [
+        {
+            name: "everything",
+            environment: environment + { "DEVELOPER_DIR": "/Applications/Xcode-" + xcode_version + ".app/Contents/Developer" },
+            commands:
+            [
+                'export LIBRARY=' + library,
+                './.drone/drone.sh',
+            ]
+        }
+    ]
+};
+
+local windows_pipeline(name, image, environment, arch = "amd64") =
+{
+    name: name,
+    kind: "pipeline",
+    type: "docker",
+    trigger: triggers,
+    platform:
+    {
+        os: "windows",
+        arch: arch
+    },
+    "steps":
+    [
+        {
+            name: "everything",
+            image: image,
+            environment: environment,
+            commands:
+            [
+                'cmd /C .drone\\\\drone.bat ' + library,
+            ]
+        }
+    ]
+};
+
+[
+    linux_pipeline(
+        "Linux 14.04 GCC 4.8*",
+        "cppalliance/droneubuntu1404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11' },
+    ),
+
+    linux_pipeline(
+        "Linux 14.04 GCC 4.9",
+        "cppalliance/droneubuntu1404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-4.9', CXXSTD: '11' },
+        "g++-4.9",
+        [ "ppa:ubuntu-toolchain-r/test" ],
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 GCC 5*",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14' },
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 GCC 6",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-6', CXXSTD: '11,14' },
+        "g++-6",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 GCC 7* 32/64",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 GCC 8 32/64",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-8', CXXSTD: '11,14,17', ADDRMD: '32,64' },
+        "g++-8-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* 32/64",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* ARM64",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a' },
+        arch="arm64",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 9* S390x",
+        "cppalliance/droneubuntu2004:multiarch",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a' },
+        arch="s390x",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 GCC 10 32/64",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-10', CXXSTD: '11,14,17,20', ADDRMD: '32,64' },
+        "g++-10-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 GCC 11* 32/64",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++', CXXSTD: '11,14,17,2a', ADDRMD: '32,64' },
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 GCC 12 32/64",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-12', CXXSTD: '11,14,17,20,2b', ADDRMD: '32,64' },
+        "g++-12-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 13 32 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-13', CXXSTD: '11,14,17,20,2b', ADDRMD: '32' } + asan,
+        "g++-13-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 13 32 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-13', CXXSTD: '11,14,17,20,2b', ADDRMD: '32' } + ubsan,
+        "g++-13-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 13 64 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-13', CXXSTD: '11,14,17,20,2b', ADDRMD: '64' } + ubsan,
+        "g++-13-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 14 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-14', CXXSTD: '11,14,17,20,2b' } + ubsan,
+        "g++-14-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 GCC 14 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'gcc', COMPILER: 'g++-14', CXXSTD: '11,14,17,20,2b' } + asan,
+        "g++-14-multilib",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.5",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.5', CXXSTD: '11' },
+        "clang-3.5",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.6",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.6', CXXSTD: '11,14' },
+        "clang-3.6",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.7",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.7', CXXSTD: '11,14' },
+        "clang-3.7",
+    ),
+
+    linux_pipeline(
+        "Linux 16.04 Clang 3.8",
+        "cppalliance/droneubuntu1604:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.8', CXXSTD: '11,14' },
+        "clang-3.8",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 3.9",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-3.9', CXXSTD: '11,14' },
+        "clang-3.9",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 4.0",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-4.0', CXXSTD: '11,14' },
+        "clang-4.0",
+    ),
+
+    linux_pipeline(
+        "Linux 18.04 Clang 5.0",
+        "cppalliance/droneubuntu1804:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-5.0', CXXSTD: '11,14' },
+        "clang-5.0",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 6.0",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-6.0', CXXSTD: '11,14,17' },
+        "clang-6.0",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 7",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-7', CXXSTD: '11,14,17' },
+        "clang-7",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 8",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-8', CXXSTD: '11,14,17' },
+        "clang-8",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 9",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-9', CXXSTD: '11,14,17,2a' },
+        "clang-9",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 10",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-10', CXXSTD: '11,14,17,2a' },
+        "clang-10",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 11",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-11', CXXSTD: '11,14,17,2a' },
+        "clang-11",
+    ),
+
+    linux_pipeline(
+        "Linux 20.04 Clang 12",
+        "cppalliance/droneubuntu2004:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-12', CXXSTD: '11,14,17,20' },
+        "clang-12",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 13",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-13', CXXSTD: '11,14,17,20,2b' },
+        "clang-13",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 14",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-14', CXXSTD: '11,14,17,20,2b' },
+        "clang-14",
+    ),
+
+    linux_pipeline(
+        "Linux 22.04 Clang 15",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-15', CXXSTD: '11,14,17,20,2b' },
+        "clang-15",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 16",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-16', CXXSTD: '11,14,17,20,2b' },
+        "clang-16",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 17",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-17', CXXSTD: '11,14,17,20,2b' },
+        "clang-17",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 18",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-18', CXXSTD: '11,14,17,20,2b' },
+        "clang-18",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 19",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-19', CXXSTD: '11,14,17,20,2b' },
+        "clang-19",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 20 UBSAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-20', CXXSTD: '11,14,17,20,23,2c' } + ubsan,
+        "clang-20",
+    ),
+
+    linux_pipeline(
+        "Linux 24.04 Clang 20 ASAN",
+        "cppalliance/droneubuntu2404:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-20', CXXSTD: '11,14,17,20,23,2c' } + asan,
+        "clang-20",
+    ),
+
+    macos_pipeline(
+        "MacOS 10.15 Xcode 12.2 UBSAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,1z' } + ubsan,
+    ),
+
+    macos_pipeline(
+        "MacOS 10.15 Xcode 12.2 ASAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,1z' } + asan,
+    ),
+
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 UBSAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,17,20,2b' } + ubsan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
+    macos_pipeline(
+        "MacOS 12.4 Xcode 13.4.1 ASAN",
+        { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '11,14,17,20,2b' } + asan,
+        xcode_version = "13.4.1", osx_version = "monterey", arch = "arm64",
+    ),
+
+    windows_pipeline(
+        "Windows VS2015 msvc-14.0",
+        "cppalliance/dronevs2015",
+        { TOOLSET: 'msvc-14.0', CXXSTD: '14,latest', B2_DONT_EMBED_MANIFEST: '1' },
+    ),
+
+    windows_pipeline(
+        "Windows VS2017 msvc-14.1",
+        "cppalliance/dronevs2017",
+        { TOOLSET: 'msvc-14.1', CXXSTD: '14,17,latest' },
+    ),
+
+    windows_pipeline(
+        "Windows VS2019 msvc-14.2",
+        "cppalliance/dronevs2019",
+        { TOOLSET: 'msvc-14.2', CXXSTD: '14,17,20,latest' },
+    ),
+
+    windows_pipeline(
+        "Windows VS2022 msvc-14.3",
+        "cppalliance/dronevs2022:1",
+        { TOOLSET: 'msvc-14.3', CXXSTD: '14,17,20,latest' },
+    ),
+]

.drone/drone.bat

@@ -0,0 +1,23 @@
+@REM Copyright 2022 Peter Dimov
+@REM Distributed under the Boost Software License, Version 1.0.
+@REM https://www.boost.org/LICENSE_1_0.txt
+
+@ECHO ON
+
+set LIBRARY=%1
+set DRONE_BUILD_DIR=%CD%
+
+set BOOST_BRANCH=develop
+if "%DRONE_BRANCH%" == "master" set BOOST_BRANCH=master
+cd ..
+git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+cd boost-root
+git submodule update --init tools/boostdep
+xcopy /s /e /q %DRONE_BUILD_DIR% libs\%LIBRARY%\
+python tools/boostdep/depinst/depinst.py %LIBRARY%
+cmd /c bootstrap
+b2 -d0 headers
+
+if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
+if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
+b2 -j3 libs/%LIBRARY%/test toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release embed-manifest-via=linker

.drone/drone.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+# Copyright 2022 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+set -ex
+export PATH=~/.local/bin:/usr/local/bin:$PATH
+
+DRONE_BUILD_DIR=$(pwd)
+
+BOOST_BRANCH=develop
+if [ "$DRONE_BRANCH" = "master" ]; then BOOST_BRANCH=master; fi
+
+cd ..
+git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+cd boost-root
+git submodule update --init tools/boostdep
+cp -r $DRONE_BUILD_DIR/* libs/$LIBRARY
+python tools/boostdep/depinst/depinst.py $LIBRARY
+./bootstrap.sh
+./b2 -d0 headers
+
+echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+./b2 -j3 libs/$LIBRARY/test toolset=$TOOLSET cxxstd=$CXXSTD variant=debug,release ${ADDRMD:+address-model=$ADDRMD} ${UBSAN:+undefined-sanitizer=norecover debug-symbols=on} ${ASAN:+address-sanitizer=norecover debug-symbols=on} ${LINKFLAGS:+linkflags=$LINKFLAGS}

.github/workflows/ci.yml

@@ -0,0 +1,662 @@
+name: CI
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+      - develop
+      - feature/**
+
+env:
+  UBSAN_OPTIONS: print_stacktrace=1
+
+jobs:
+  posix:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - toolset: gcc-4.8
+            cxxstd: "11"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: g++-4.8-multilib
+            address-model: 32,64
+          - toolset: gcc-5
+            cxxstd: "11,14,1z"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: g++-5-multilib
+            address-model: 32,64
+          - toolset: gcc-6
+            cxxstd: "11,14,1z"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: g++-6-multilib
+            address-model: 32,64
+          - toolset: gcc-7
+            cxxstd: "11,14,17"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: g++-7-multilib
+            address-model: 32,64
+          - toolset: gcc-8
+            cxxstd: "11,14,17,2a"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: g++-8-multilib
+            address-model: 32,64
+          - toolset: gcc-9
+            cxxstd: "11,14,17,2a"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: g++-9-multilib
+            address-model: 32,64
+          - toolset: gcc-10
+            cxxstd: "11,14,17,2a"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: g++-10-multilib
+            address-model: 32,64
+          - toolset: gcc-11
+            cxxstd: "11,14,17,20"
+            os: ubuntu-22.04
+            install: g++-11-multilib
+            address-model: 32,64
+          - toolset: gcc-12
+            cxxstd: "11,14,17,20,2b"
+            os: ubuntu-22.04
+            install: g++-12-multilib
+            address-model: 32,64
+          - toolset: gcc-13
+            cxxstd: "11,14,17,20,2b"
+            os: ubuntu-latest
+            container: ubuntu:24.04
+            install: g++-13-multilib
+            address-model: 32,64
+          - toolset: gcc-14
+            cxxstd: "11,14,17,20,23,2c"
+            os: ubuntu-latest
+            container: ubuntu:24.04
+            install: g++-14-multilib
+            address-model: 32,64
+          - toolset: gcc-15
+            cxxstd: "11,14,17,20,23,2c"
+            os: ubuntu-latest
+            container: ubuntu:25.04
+            install: g++-15-multilib
+            address-model: 32,64
+          - toolset: clang
+            compiler: clang++-3.9
+            cxxstd: "11,14"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: clang-3.9
+          - toolset: clang
+            compiler: clang++-4.0
+            cxxstd: "11,14"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: clang-4.0
+          - toolset: clang
+            compiler: clang++-5.0
+            cxxstd: "11,14,1z"
+            container: ubuntu:18.04
+            os: ubuntu-latest
+            install: clang-5.0
+          - toolset: clang
+            compiler: clang++-6.0
+            cxxstd: "11,14,17"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-6.0
+          - toolset: clang
+            compiler: clang++-7
+            cxxstd: "11,14,17"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-7
+          - toolset: clang
+            compiler: clang++-8
+            cxxstd: "11,14,17"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-8
+          - toolset: clang
+            compiler: clang++-9
+            cxxstd: "11,14,17,2a"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-9
+          - toolset: clang
+            compiler: clang++-10
+            cxxstd: "11,14,17,2a"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-10
+          - toolset: clang
+            compiler: clang++-11
+            cxxstd: "11,14,17,2a"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-11
+          - toolset: clang
+            compiler: clang++-12
+            cxxstd: "11,14,17,20"
+            container: ubuntu:20.04
+            os: ubuntu-latest
+            install: clang-12
+          - toolset: clang
+            compiler: clang++-13
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:22.04
+            os: ubuntu-latest
+            install: clang-13
+          - toolset: clang
+            compiler: clang++-14
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:22.04
+            os: ubuntu-latest
+            install: clang-14
+          - toolset: clang
+            compiler: clang++-15
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:22.04
+            os: ubuntu-latest
+            install: clang-15
+          - toolset: clang
+            compiler: clang++-16
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-16
+          - toolset: clang
+            compiler: clang++-17
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-17
+          - toolset: clang
+            compiler: clang++-18
+            cxxstd: "11,14,17,20,2b"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-18
+          - toolset: clang
+            compiler: clang++-19
+            cxxstd: "11,14,17,20,23,2c"
+            container: ubuntu:24.04
+            os: ubuntu-latest
+            install: clang-19
+          - toolset: clang
+            compiler: clang++-20
+            cxxstd: "11,14,17,20,23,2c"
+            container: ubuntu:25.04
+            os: ubuntu-latest
+            install: clang-20
+          - toolset: clang
+            cxxstd: "11,14,17,20,2b"
+            os: macos-13
+          - toolset: clang
+            cxxstd: "11,14,17,20,2b"
+            os: macos-14
+          - toolset: clang
+            cxxstd: "11,14,17,20,2b"
+            os: macos-15
+
+    runs-on: ${{matrix.os}}
+
+    container:
+      image: ${{matrix.container}}
+      volumes:
+        - /node20217:/node20217:rw,rshared
+        - ${{ startsWith(matrix.container, 'ubuntu:1') && '/node20217:/__e/node20:ro,rshared' || ' ' }}
+
+    defaults:
+      run:
+        shell: bash
+
+    steps:
+      - name: Setup container environment
+        if: matrix.container
+        run: |
+          apt-get update
+          apt-get -y install sudo python3 git g++ curl xz-utils
+
+      - name: Install nodejs20glibc2.17
+        if: ${{ startsWith( matrix.container, 'ubuntu:1' ) }}
+        run: |
+          curl -LO https://archives.boost.io/misc/node/node-v20.9.0-linux-x64-glibc-217.tar.xz
+          tar -xf node-v20.9.0-linux-x64-glibc-217.tar.xz --strip-components 1 -C /node20217
+          ldd /__e/node20/bin/node
+
+      - uses: actions/checkout@v4
+
+      - name: Install packages
+        if: matrix.install
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+          ./bootstrap.sh
+          ./b2 -d0 headers
+
+      - name: Create user-config.jam
+        if: matrix.compiler
+        run: |
+          echo "using ${{matrix.toolset}} : : ${{matrix.compiler}} ;" > ~/user-config.jam
+
+      - name: Run tests
+        run: |
+          cd ../boost-root
+          ./b2 -j3 libs/$LIBRARY/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} ${ADDRMD:+address-model=$ADDRMD} variant=debug,release
+
+  windows:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - toolset: msvc-14.3
+            cxxstd: "14,17,20,latest"
+            addrmd: 32,64
+            os: windows-2022
+          - toolset: clang-win
+            cxxstd: "14,17,20,latest"
+            addrmd: 32,64
+            os: windows-2022
+          - toolset: gcc
+            cxxstd: "11,14,17,2a"
+            addrmd: 64
+            os: windows-2022
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+          cmd /c bootstrap
+          b2 -d0 headers
+
+      - name: Run tests
+        shell: cmd
+        run: |
+          cd ../boost-root
+          b2 -j3 libs/%LIBRARY%/test toolset=${{matrix.toolset}} cxxstd=${{matrix.cxxstd}} address-model=${{matrix.addrmd}} variant=debug,release embed-manifest-via=linker
+
+  posix-cmake-subdir:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-22.04
+          - os: ubuntu-24.04
+          - os: macos-13
+          - os: macos-14
+          - os: macos-15
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Use library with add_subdirectory
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_subdir_test
+          mkdir __build__ && cd __build__
+          cmake ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  posix-cmake-install:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-22.04
+          - os: ubuntu-24.04
+          - os: macos-13
+          - os: macos-14
+          - os: macos-15
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DCMAKE_INSTALL_PREFIX=~/.local ..
+
+      - name: Install
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install
+
+      - name: Use the installed library
+        run: |
+          cd ../boost-root/libs/$LIBRARY/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=~/.local ..
+          cmake --build .
+          ctest --output-on-failure --no-tests=error
+
+  posix-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: ubuntu-22.04
+          - os: ubuntu-24.04
+          - os: macos-13
+          - os: macos-14
+          - os: macos-15
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install packages
+        if: matrix.install
+        run: sudo apt-get -y install ${{matrix.install}}
+
+      - name: Setup Boost
+        run: |
+          echo GITHUB_REPOSITORY: $GITHUB_REPOSITORY
+          LIBRARY=${GITHUB_REPOSITORY#*/}
+          echo LIBRARY: $LIBRARY
+          echo "LIBRARY=$LIBRARY" >> $GITHUB_ENV
+          echo GITHUB_BASE_REF: $GITHUB_BASE_REF
+          echo GITHUB_REF: $GITHUB_REF
+          REF=${GITHUB_BASE_REF:-$GITHUB_REF}
+          REF=${REF#refs/heads/}
+          echo REF: $REF
+          BOOST_BRANCH=develop && [ "$REF" == "master" ] && BOOST_BRANCH=master || true
+          echo BOOST_BRANCH: $BOOST_BRANCH
+          cd ..
+          git clone -b $BOOST_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          cp -r $GITHUB_WORKSPACE/* libs/$LIBRARY
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
+
+      - name: Configure
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=$LIBRARY -DBUILD_TESTING=ON ..
+
+      - name: Build tests
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests
+
+      - name: Run tests
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error
+
+  windows-cmake-subdir:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Use library with add_subdirectory (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_subdir_test
+          mkdir __build__ && cd __build__
+          cmake ..
+          cmake --build . --config Debug
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Use library with add_subdirectory (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_subdir_test/__build__
+          cmake --build . --config Release
+          ctest --output-on-failure --no-tests=error -C Release
+
+  windows-cmake-install:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Configure
+        shell: cmd
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=%LIBRARY% -DCMAKE_INSTALL_PREFIX=C:/cmake-prefix ..
+
+      - name: Install (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install --config Debug
+
+      - name: Install (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target install --config Release
+
+      - name: Use the installed library (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test && mkdir __build__ && cd __build__
+          cmake -DCMAKE_INSTALL_PREFIX=C:/cmake-prefix ..
+          cmake --build . --config Debug
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Use the installed library (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/libs/%LIBRARY%/test/cmake_install_test/__build__
+          cmake --build . --config Release
+          ctest --output-on-failure --no-tests=error -C Release
+
+  windows-cmake-test:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - os: windows-latest
+
+    runs-on: ${{matrix.os}}
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Boost
+        shell: cmd
+        run: |
+          echo GITHUB_REPOSITORY: %GITHUB_REPOSITORY%
+          for /f %%i in ("%GITHUB_REPOSITORY%") do set LIBRARY=%%~nxi
+          echo LIBRARY: %LIBRARY%
+          echo LIBRARY=%LIBRARY%>>%GITHUB_ENV%
+          echo GITHUB_BASE_REF: %GITHUB_BASE_REF%
+          echo GITHUB_REF: %GITHUB_REF%
+          if "%GITHUB_BASE_REF%" == "" set GITHUB_BASE_REF=%GITHUB_REF%
+          set BOOST_BRANCH=develop
+          for /f %%i in ("%GITHUB_BASE_REF%") do if "%%~nxi" == "master" set BOOST_BRANCH=master
+          echo BOOST_BRANCH: %BOOST_BRANCH%
+          cd ..
+          git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
+          cd boost-root
+          xcopy /s /e /q %GITHUB_WORKSPACE% libs\%LIBRARY%\
+          git submodule update --init tools/boostdep
+          python tools/boostdep/depinst/depinst.py --git_args "--jobs 3" %LIBRARY%
+
+      - name: Configure
+        shell: cmd
+        run: |
+          cd ../boost-root
+          mkdir __build__ && cd __build__
+          cmake -DBOOST_INCLUDE_LIBRARIES=%LIBRARY% -DBUILD_TESTING=ON ..
+
+      - name: Build tests (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests --config Debug
+
+      - name: Run tests (Debug)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error -C Debug
+
+      - name: Build tests (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          cmake --build . --target tests --config Release
+
+      - name: Run tests (Release)
+        shell: cmd
+        run: |
+          cd ../boost-root/__build__
+          ctest --output-on-failure --no-tests=error -C Release

.travis.yml

@@ -22,24 +22,48 @@ matrix:
     - env: BOGUS_JOB=true
 
   include:
+    - os: linux
+      dist: trusty
+      compiler: g++
+      env: TOOLSET=gcc CXXSTD=03,11
+
+    - os: linux
+      dist: xenial
+      compiler: g++
+      env: TOOLSET=gcc CXXSTD=03,11,14
+
+    - os: linux
+      dist: bionic
+      compiler: g++
+      env: TOOLSET=gcc CXXSTD=03,11,14,17
+
+    - os: linux
+      dist: focal
+      compiler: g++
+      env: TOOLSET=gcc CXXSTD=03,11,14,17
+
     - os: linux
       arch: arm64
       compiler: g++
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11,14
+      env: TOOLSET=gcc CXXSTD=03,11,14
 
     - os: linux
       arch: ppc64le
       compiler: g++
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11,14
+      env: TOOLSET=gcc CXXSTD=03,11,14
 
     - os: linux
       arch: s390x
       compiler: g++
-      env: TOOLSET=gcc COMPILER=g++ CXXSTD=03,11,14
+      env: TOOLSET=gcc CXXSTD=03,11,14
+
+    - os: freebsd
+      compiler: clang++
+      env: TOOLSET=clang CXXSTD=03,11,14,17,2a
 
     - os: linux
       compiler: g++-4.4
-      env: TOOLSET=gcc COMPILER=g++-4.4 CXXSTD=98,0x
+      env: TOOLSET=gcc CXXSTD=98,0x
       addons:
         apt:
           packages:
@@ -49,7 +73,7 @@ matrix:
 
     - os: linux
       compiler: g++-4.6
-      env: TOOLSET=gcc COMPILER=g++-4.6 CXXSTD=03,0x
+      env: TOOLSET=gcc CXXSTD=03,0x
       addons:
         apt:
           packages:
@@ -58,118 +82,31 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      compiler: g++-4.7
-      env: TOOLSET=gcc COMPILER=g++-4.7 CXXSTD=03,11
+      dist: bionic
+      compiler: g++-10
+      env: UBSAN=1 TOOLSET=gcc CXXSTD=03,11,14 UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
       addons:
         apt:
           packages:
-            - g++-4.7
+            - g++-10
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      compiler: g++-4.8
-      env: TOOLSET=gcc COMPILER=g++-4.8 CXXSTD=03,11
+      dist: bionic
+      compiler: g++-10
+      env: UBSAN=1 TOOLSET=gcc CXXSTD=17,2a UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
       addons:
         apt:
           packages:
-            - g++-4.8
-          sources:
-            - ubuntu-toolchain-r-test
-    - os: linux
-      compiler: g++-4.9
-      env: TOOLSET=gcc COMPILER=g++-4.9 CXXSTD=03,11
-      addons:
-        apt:
-          packages:
-            - g++-4.9
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-5
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - g++-5
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-6
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - g++-6
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-7
-      env: TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17
-      addons:
-        apt:
-          packages:
-            - g++-7
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=03,11,14
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=17,2a
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-9
-      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=03,11,14
-      addons:
-        apt:
-          packages:
-            - g++-9
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-9
-      env: TOOLSET=gcc COMPILER=g++-9 CXXSTD=17,2a
-      addons:
-        apt:
-          packages:
-            - g++-9
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: g++-7
-      env: UBSAN=1 TOOLSET=gcc COMPILER=g++-7 CXXSTD=03,11,14,17 UBSAN_OPTIONS=print_stacktrace=1 LINKFLAGS=-fuse-ld=gold
-      addons:
-        apt:
-          packages:
-            - g++-7
+            - g++-10
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       dist: trusty
       compiler: /usr/bin/clang++
-      env: TOOLSET=clang COMPILER=/usr/bin/clang++ CXXSTD=03,11
+      env: TOOLSET=clang COMMENT=clang-3.3 CXXSTD=03,11
       addons:
         apt:
           packages:
@@ -178,147 +115,24 @@ matrix:
     - os: linux
       dist: trusty
       compiler: /usr/bin/clang++
-      env: TOOLSET=clang COMPILER=/usr/bin/clang++ CXXSTD=03,11
+      env: TOOLSET=clang COMMENT=clang-3.4 CXXSTD=03,11
       addons:
         apt:
           packages:
             - clang-3.4
 
     - os: linux
-      compiler: clang++-3.5
-      env: TOOLSET=clang COMPILER=clang++-3.5 CXXSTD=03,11
+      compiler: clang++-11
+      env: UBSAN=1 TOOLSET=clang CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1
       addons:
         apt:
           packages:
-            - clang-3.5
+            - clang-11
           sources:
             - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-3.6
-      env: TOOLSET=clang COMPILER=clang++-3.6 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.6
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-3.7
-      env: TOOLSET=clang COMPILER=clang++-3.7 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.7
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-3.8
-      env: TOOLSET=clang COMPILER=clang++-3.8 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-3.9
-      env: TOOLSET=clang COMPILER=clang++-3.9 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-3.9
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-4.0
-      env: TOOLSET=clang COMPILER=clang++-4.0 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-4.0
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-5.0
-      env: TOOLSET=clang COMPILER=clang++-5.0 CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - clang-5.0
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=03,11,14,17,2a
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-7
-      env: TOOLSET=clang COMPILER=clang++-7 CXXSTD=03,11,14,17,2a
-      addons:
-        apt:
-          packages:
-            - clang-7
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-7
-
-    - os: linux
-      compiler: clang++-8
-      env: TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17,2a
-      addons:
-        apt:
-          packages:
-            - clang-8
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-8
-
-    - os: linux
-      dist: xenial
-      compiler: clang++-9
-      env: TOOLSET=clang COMPILER=clang++-9 CXXSTD=03,11,14,17,2a
-      addons:
-        apt:
-          packages:
-            - clang-9
-          sources:
-            - ubuntu-toolchain-r-test
-            - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-9 main'
+            - sourceline: 'deb https://apt.llvm.org/xenial/ llvm-toolchain-xenial-11 main'
               key_url: 'https://apt.llvm.org/llvm-snapshot.gpg.key'
 
-    - os: linux
-      compiler: clang++-8
-      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-8 CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1
-      addons:
-        apt:
-          packages:
-            - clang-8
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-8
-
-    - os: linux
-      dist: trusty
-      compiler: clang++-libc++
-      env: TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,1z
-      addons:
-        apt:
-          packages:
-            - libc++-dev
-
     - os: linux
       dist: trusty
       compiler: clang++-libc++
@@ -328,9 +142,14 @@ matrix:
           packages:
             - libc++-dev
 
-    - os: osx
-      compiler: clang++
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=03,11,14,1z
+    - os: linux
+      dist: bionic
+      compiler: clang++-libc++
+      env: UBSAN=1 TOOLSET=clang COMPILER=clang++-libc++ CXXSTD=03,11,14,17,2a UBSAN_OPTIONS=print_stacktrace=1
+      addons:
+        apt:
+          packages:
+            - libc++-dev
 
     - os: osx
       compiler: clang++
@@ -341,6 +160,7 @@ matrix:
       script:
         - mkdir __build__ && cd __build__
         - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=smart_ptr -DBUILD_TESTING=ON ..
+        - cmake --build . --target tests -- -k
         - ctest --output-on-failure -R boost_smart_ptr
 
     - os: linux
@@ -355,6 +175,7 @@ matrix:
     - os: linux
       env: CMAKE_INSTALL_TEST=1
       script:
+        - pip install --user cmake
         - mkdir __build__ && cd __build__
         - cmake -DBOOST_ENABLE_CMAKE=1 -DBoost_VERBOSE=1 -DBOOST_INCLUDE_LIBRARIES=smart_ptr -DBUILD_TESTING=OFF -DCMAKE_INSTALL_PREFIX=~/.local ..
         - cmake --build . --target install
@@ -386,6 +207,7 @@ install:
   - git submodule init tools/boost_install
   - git submodule init tools/cmake
   - git submodule init libs/preprocessor
+  - git submodule init libs/bind
   - git submodule update # no --jobs 3 on non-amd64
   - cp -r $TRAVIS_BUILD_DIR/* libs/smart_ptr
   - ./bootstrap.sh
@@ -393,7 +215,7 @@ install:
 
 script:
   - |-
-    echo "using $TOOLSET : : $COMPILER ;" > ~/user-config.jam
+    echo "using $TOOLSET : : $TRAVIS_COMPILER ;" > ~/user-config.jam
   - ./b2 -j3 libs/smart_ptr/test toolset=$TOOLSET cxxstd=$CXXSTD variant=debug,release ${UBSAN:+cxxflags=-fsanitize=undefined cxxflags=-fno-sanitize-recover=undefined linkflags=-fsanitize=undefined debug-symbols=on} ${LINKFLAGS:+linkflags=$LINKFLAGS}
 
 notifications:

CMakeLists.txt

@@ -1,8 +1,9 @@
-# Copyright 2018-2020 Peter Dimov
+# Generated by `boostdep --cmake smart_ptr`
+# Copyright 2020, 2021 Peter Dimov
 # Distributed under the Boost Software License, Version 1.0.
-# See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt
+# https://www.boost.org/LICENSE_1_0.txt
 
-cmake_minimum_required(VERSION 3.5...3.16)
+cmake_minimum_required(VERSION 3.8...3.20)
 
 project(boost_smart_ptr VERSION "${BOOST_SUPERPROJECT_VERSION}" LANGUAGES CXX)
 
@@ -16,20 +17,12 @@ target_link_libraries(boost_smart_ptr
     Boost::assert
     Boost::config
     Boost::core
-    Boost::move
-    Boost::static_assert
     Boost::throw_exception
-    Boost::type_traits
 )
 
-if(BOOST_SUPERPROJECT_VERSION)
+target_compile_features(boost_smart_ptr INTERFACE cxx_std_11)
 
-  include(BoostInstall)
-  boost_install(TARGETS boost_smart_ptr HEADER_DIRECTORY include/)
-
-endif()
-
-if(BUILD_TESTING)
+if(BUILD_TESTING AND EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/test/CMakeLists.txt")
 
   add_subdirectory(test)
 

appveyor.yml

@@ -15,38 +15,48 @@ branches:
 environment:
   matrix:
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      TOOLSET: msvc-9.0,msvc-10.0,msvc-11.0
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      TOOLSET: msvc-12.0,msvc-14.0
+      TOOLSET: msvc-14.0
       ADDRMD: 32,64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
       TOOLSET: msvc-14.1
       CXXSTD: 14,17
       ADDRMD: 32,64
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      TOOLSET: clang-win
-      CXXSTD: 14,17
-      ADDRMD: 64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
       TOOLSET: msvc-14.2
-      CXXSTD: 14,17
+      CXXSTD: 14
       ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      TOOLSET: msvc-14.2
+      CXXSTD: 17
+      ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      TOOLSET: msvc-14.2
+      CXXSTD: 20
+      ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      TOOLSET: msvc-14.2
+      CXXSTD: latest
+      ADDRMD: 32,64
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2019
+      TOOLSET: clang-win
+      CXXSTD: 14,17,latest
+      ADDRMD: 64
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\cygwin\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,1z
     - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
       ADDPATH: C:\cygwin64\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\mingw\bin;
+      CXXSTD: 11,14,1z
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
+      ADDPATH: C:\mingw-w64\i686-8.1.0-posix-dwarf-rt_v6-rev0\mingw32\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2015
-      ADDPATH: C:\mingw-w64\x86_64-7.2.0-posix-seh-rt_v5-rev1\mingw64\bin;
+      CXXSTD: 11,14,17
+    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2022
+      ADDPATH: C:\mingw-w64\x86_64-8.1.0-posix-seh-rt_v6-rev0\mingw64\bin;
       TOOLSET: gcc
-      CXXSTD: 03,11,14,1z
+      CXXSTD: 11,14,17
 
 install:
   - set BOOST_BRANCH=develop
@@ -54,24 +64,9 @@ install:
   - cd ..
   - git clone -b %BOOST_BRANCH% --depth 1 https://github.com/boostorg/boost.git boost-root
   - cd boost-root
-  - git submodule init libs/align
-  - git submodule init libs/assert
-  - git submodule init libs/atomic
-  - git submodule init libs/config
-  - git submodule init libs/container_hash
-  - git submodule init libs/core
-  - git submodule init libs/move
-  - git submodule init libs/predef
-  - git submodule init libs/static_assert
-  - git submodule init libs/throw_exception
-  - git submodule init libs/type_traits
-  - git submodule init libs/detail
-  - git submodule init libs/integer
-  - git submodule init tools/build
-  - git submodule init libs/headers
-  - git submodule init tools/boost_install
-  - git submodule update --jobs 3
   - xcopy /s /e /q %APPVEYOR_BUILD_FOLDER% libs\smart_ptr\
+  - git submodule update --init tools/boostdep
+  - python tools/boostdep/depinst/depinst.py smart_ptr
   - cmd /c bootstrap
   - b2 -d0 headers
 
@@ -81,4 +76,4 @@ test_script:
   - PATH=%ADDPATH%%PATH%
   - if not "%CXXSTD%" == "" set CXXSTD=cxxstd=%CXXSTD%
   - if not "%ADDRMD%" == "" set ADDRMD=address-model=%ADDRMD%
-  - b2 -j3 libs/smart_ptr/test toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release
+  - b2 -j3 libs/smart_ptr/test toolset=%TOOLSET% %CXXSTD% %ADDRMD% variant=debug,release embed-manifest-via=linker

build.jam

@@ -0,0 +1,23 @@
+# Copyright 2023-2024 René Ferdinand Rivera Morell
+# Copyright 2024 Peter Dimov
+# Distributed under the Boost Software License, Version 1.0.
+# https://www.boost.org/LICENSE_1_0.txt
+
+require-b2 5.2 ;
+
+constant boost_dependencies :
+    /boost/assert//boost_assert
+    /boost/config//boost_config
+    /boost/core//boost_core
+    /boost/throw_exception//boost_throw_exception
+    ;
+
+project /boost/smart_ptr ;
+
+explicit
+    [ alias boost_smart_ptr : : : : <include>include <library>$(boost_dependencies) ]
+    [ alias all : boost_smart_ptr test ]
+    ;
+
+call-if : boost-library smart_ptr
+    ;

doc/smart_ptr-docinfo-footer.html

@@ -1,6 +1,7 @@
 <style>
 
 *:not(pre)>code { background: none; color: #600000; }
+:not(pre):not([class^=L])>code { background: none; color: #600000; }
 table tr.even, table tr.alt, table tr:nth-of-type(even) { background: none; }
 
 </style>

doc/smart_ptr.adoc

@@ -14,44 +14,32 @@ Greg Colvin, Beman Dawes, Peter Dimov, Glen Fernandes
 :idprefix:
 :listing-caption: Code Example
 :docinfo: private-footer
+:source-highlighter: rouge
+:source-language: c++
 
 :leveloffset: +1
 
 include::smart_ptr/introduction.adoc[]
-
 include::smart_ptr/changelog.adoc[]
-
 include::smart_ptr/scoped_ptr.adoc[]
-
 include::smart_ptr/scoped_array.adoc[]
-
 include::smart_ptr/shared_ptr.adoc[]
-
 include::smart_ptr/weak_ptr.adoc[]
-
 include::smart_ptr/make_shared.adoc[]
-
 include::smart_ptr/enable_shared_from_this.adoc[]
-
 include::smart_ptr/enable_shared_from.adoc[]
-
 include::smart_ptr/make_unique.adoc[]
-
 include::smart_ptr/allocate_unique.adoc[]
-
 include::smart_ptr/intrusive_ptr.adoc[]
-
 include::smart_ptr/intrusive_ref_counter.adoc[]
-
 include::smart_ptr/local_shared_ptr.adoc[]
-
 include::smart_ptr/make_local_shared.adoc[]
-
 include::smart_ptr/pointer_cast.adoc[]
-
 include::smart_ptr/pointer_to_other.adoc[]
-
 include::smart_ptr/atomic_shared_ptr.adoc[]
+include::smart_ptr/owner_less.adoc[]
+include::smart_ptr/owner_equal_to.adoc[]
+include::smart_ptr/owner_hash.adoc[]
 
 // appendix
 include::smart_ptr/techniques.adoc[]
@@ -73,7 +61,7 @@ This documentation is
 * Copyright 1999 Greg Colvin
 * Copyright 1999 Beman Dawes
 * Copyright 2002 Darin Adler
-* Copyright 2003-2017 Peter Dimov
+* Copyright 2003-2020 Peter Dimov
 * Copyright 2005, 2006 Ion Gaztañaga
 * Copyright 2008 Frank Mori Hess
 * Copyright 2012-2017 Glen Fernandes

doc/smart_ptr/allocate_unique.adoc

@@ -1,5 +1,5 @@
 ////
-Copyright 2019 Glen Joseph Fernandes (glenjofe@gmail.com)
+Copyright 2019-2021 Glen Joseph Fernandes (glenjofe@gmail.com)
 
 Distributed under the Boost Software License, Version 1.0.
 
@@ -85,6 +85,11 @@ namespace boost {
   template<class T, class A>
     std::unique_ptr<remove_extent_t<T>[], alloc_noinit_deleter<T, A>>
       allocate_unique_noinit(const A& a);
+
+  template<class T, class U, class A>
+    allocator_pointer_t<allocator_rebind_t<A, remove_cv_t<remove_extent_t<T>>>>
+      get_allocator_pointer(const std::unique_ptr<T,
+        alloc_deleter<U, A>>& p) noexcept;
 }
 ```
 
@@ -269,6 +274,18 @@ Returns:: A `std::unique_ptr` to a sequence of `extent_v<T>`
 default-initialized objects of type `remove_extent_t<T>`.
 Example:: `auto p = allocate_unique_noinit<double[1024]>(a);`
 
+```
+template<class T, class U, class A>
+  allocator_pointer_t<allocator_rebind_t<A, remove_cv_t<remove_extent_t<T>>>>
+    get_allocator_pointer(const std::unique_ptr<T,
+      alloc_deleter<U, A>>& p) noexcept;
+```
+[none]
+* {blank}
++
+Returns:: The allocator pointer to the allocation.
+Example:: `auto r = boost::get_allocator_ptr(p);`
+
 ## Deleter
 
 Class template `alloc_deleter` is the deleter used by the `allocate_unique`

doc/smart_ptr/changelog.adoc

@@ -1,5 +1,5 @@
 ////
-Copyright 2019 Peter Dimov
+Copyright 2019-2025 Peter Dimov
 
 Distributed under the Boost Software License, Version 1.0.
 
@@ -13,6 +13,33 @@ http://www.boost.org/LICENSE_1_0.txt
 :toc-title:
 :idprefix: changelog_
 
+## Changes in 1.88.0
+
+* Fix `operator<<` for wide streams (accidentally broken in 1.87.0)
+
+## Changes in 1.87.0
+
+* {cpp}03 is no longer supported, a {cpp}11 compiler is required.
+  This includes GCC 4.8 or later, and MSVC 14.0 or later.
+* The functionality enabled by the macros `BOOST_SP_ENABLE_DEBUG_HOOKS`,
+  `BOOST_SP_USE_STD_ALLOCATOR`, `BOOST_SP_USE_QUICK_ALLOCATOR`,
+  `BOOST_AC_USE_SPINLOCK`, `BOOST_AC_USE_PTHREADS`, `BOOST_SP_USE_SPINLOCK`,
+  and `BOOST_SP_USE_PTHREADS` has been deprecated and support for it
+  will be removed in a future release.
+
+## Changes in 1.79.0
+
+* Added `get_allocator_pointer`
+
+## Changes in 1.74.0
+
+* Added `owner_equals` to `shared_ptr`, `weak_ptr`, `local_shared_ptr`
+* Added `owner_hash_value` to `shared_ptr`, `weak_ptr`
+* Added `owner_equal_to`, `owner_hash`
+* Added `std::hash` specializations for `shared_ptr`, `local_shared_ptr`
+* Added `boost::hash` support to, and `std::hash`, `std::equal_to`
+  specializations for, `weak_ptr`
+
 ## Changes in 1.72.0
 
 * Added `allocate_unique`

doc/smart_ptr/introduction.adoc

@@ -31,7 +31,7 @@ This library provides six smart pointer class templates:
 * `<<scoped_ptr,scoped_ptr>>`, used to contain ownership of a dynamically allocated object to the current scope;
 * `<<scoped_array,scoped_array>>`, which provides scoped ownership for a dynamically allocated array;
 * `<<shared_ptr,shared_ptr>>`, a versatile tool for managing shared ownership of an object or array;
-* `<<weak_ptr,weak_ptr>>`, a non-owning observer to a shared_ptr-managed object that can be promoted temporarily to shared_ptr;
+* `<<weak_ptr,weak_ptr>>`, a non-owning observer to a `shared_ptr`-managed object that can be promoted temporarily to `shared_ptr`;
 * `<<intrusive_ptr,intrusive_ptr>>`, a pointer to objects with an embedded reference count;
 * `<<local_shared_ptr,local_shared_ptr>>`, providing shared ownership within a single thread.
 
@@ -39,10 +39,11 @@ This library provides six smart pointer class templates:
 
 In addition, the library contains the following supporting utility functions and classes:
 
-* `<<make_shared,make_shared>>`, a factory function for creating objects that returns a `shared_ptr`;
+* `<<make_shared,make_shared>>` and `allocate_shared`, factory functions for creating objects that return a `shared_ptr`;
 * `<<make_unique,make_unique>>`, a factory function returning `std::unique_ptr`;
 * `<<allocate_unique,allocate_unique>>`, a factory function for creating objects using an allocator that returns a `std::unique_ptr`;
 * `<<enable_shared_from_this,enable_shared_from_this>>`, a helper base class that enables the acquisition of a `shared_ptr` pointing to `this`;
+* `<<enable_shared_from,enable_shared_from>>`, a newer and better replacement for `enable_shared_from_this`;
 * `<<pointer_to_other,pointer_to_other>>`, a helper trait for converting one smart pointer type to another;
 * `<<pointer_cast,static_pointer_cast>>` and companions, generic smart pointer casts;
 * `<<intrusive_ref_counter,intrusive_ref_counter>>`, a helper base class containing a reference count.

doc/smart_ptr/intrusive_ptr.adoc

@@ -174,7 +174,8 @@ template<class Y> intrusive_ptr(intrusive_ptr<Y> && r);
 [none]
 * {blank}
 +
-Postconditions:: `get()` equals the old value of `r.get()`. `r.get() == 0`.
+Postconditions::
+  `get()` equals the old value of `r.get()`. `r.get() == 0`.
 
 ### destructor
 
@@ -185,7 +186,8 @@ Postconditions:: `get()` equals the old value of `r.get()`. `r.get() == 0`.
 [none]
 * {blank}
 +
-Effects:: `if(get() != 0) intrusive_ptr_release(get());`.
+Effects::
+  `if(get() != 0) intrusive_ptr_release(get());`.
 
 ### assignment
 
@@ -245,7 +247,8 @@ void reset(T * r, bool add_ref);
 [none]
 * {blank}
 +
-Effects:: Equivalent to `intrusive_ptr(r, add_ref).swap(*this)`.
+Effects::
+  Equivalent to `intrusive_ptr(r, add_ref).swap(*this)`.
 
 ### indirection
 
@@ -278,7 +281,8 @@ T * get() const noexcept;
 [none]
 * {blank}
 +
-Returns:: the stored pointer.
+Returns::
+  the stored pointer.
 
 ### detach
 
@@ -325,7 +329,8 @@ void swap(intrusive_ptr & b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Exchanges the contents of the two smart pointers.
+Effects::
+  Exchanges the contents of the two smart pointers.
 
 ## Free Functions
 
@@ -412,7 +417,8 @@ template<class T> void swap(intrusive_ptr<T> & a, intrusive_ptr<T> & b) noexcept
 [none]
 * {blank}
 +
-Effects:: Equivalent to `a.swap(b)`.
+Effects::
+  Equivalent to `a.swap(b)`.
 
 ### get_pointer
 
@@ -437,7 +443,8 @@ template<class T, class U>
 [none]
 * {blank}
 +
-Returns:: `intrusive_ptr<T>(static_cast<T*>(r.get()))`.
+Returns::
+  `intrusive_ptr<T>(static_cast<T*>(r.get()))`.
 
 ### const_pointer_cast
 
@@ -449,7 +456,8 @@ template<class T, class U>
 [none]
 * {blank}
 +
-Returns:: `intrusive_ptr<T>(const_cast<T*>(r.get()))`.
+Returns::
+  `intrusive_ptr<T>(const_cast<T*>(r.get()))`.
 
 ### dynamic_pointer_cast
 
@@ -461,7 +469,8 @@ template<class T, class U>
 [none]
 * {blank}
 +
-Returns:: `intrusive_ptr<T>(dynamic_cast<T*>(r.get()))`.
+Returns::
+  `intrusive_ptr<T>(dynamic_cast<T*>(r.get()))`.
 
 ### operator<<
 

doc/smart_ptr/intrusive_ref_counter.adoc

@@ -111,7 +111,8 @@ intrusive_ref_counter& operator=(const intrusive_ref_counter& v) noexcept;
 [none]
 * {blank}
 +
-Effects:: Does nothing, reference counter is not modified.
+Effects::
+  Does nothing, reference counter is not modified.
 
 ### use_count
 
@@ -137,7 +138,8 @@ template<class Derived, class CounterPolicy>
 [none]
 * {blank}
 +
-Effects:: Increments the reference counter.
+Effects::
+  Increments the reference counter.
 
 ### intrusive_ptr_release
 

doc/smart_ptr/local_shared_ptr.adoc

@@ -124,7 +124,7 @@ namespace boost {
     template<class Y> void reset(local_shared_ptr<Y> && r, element_type * p) noexcept;
 
     // accessors
-    
+
     T & operator*() const noexcept; // only valid when T is not an array type
     T * operator->() const noexcept; // only valid when T is not an array type
 
@@ -143,12 +143,16 @@ namespace boost {
     template<class Y> operator weak_ptr<Y>() const noexcept;
 
     // swap
-    
+
     void swap(local_shared_ptr & b) noexcept;
 
     // owner_before
-    
-    template<class Y> bool owner_before(local_shared_ptr<Y> const & rhs) const noexcept;
+
+    template<class Y> bool owner_before(local_shared_ptr<Y> const & r) const noexcept;
+
+    // owner_equals
+
+    template<class Y> bool owner_equals(local_shared_ptr<Y> const & r) const noexcept;
   };
 
   // comparisons
@@ -459,7 +463,8 @@ template<class Y> void reset(local_shared_ptr<Y> && r, element_type * p) noexcep
 [none]
 * {blank}
 +
-Effects:: Equivalent to `local_shared_ptr(std::move(r), p).swap(*this)`.
+Effects::
+  Equivalent to `local_shared_ptr(std::move(r), p).swap(*this)`.
 
 ### indirection
 ```
@@ -497,7 +502,8 @@ element_type * get() const noexcept;
 [none]
 * {blank}
 +
-Returns:: The stored pointer.
+Returns::
+  The stored pointer.
 
 ### local_use_count
 ```
@@ -506,7 +512,8 @@ long local_use_count() const noexcept;
 [none]
 * {blank}
 +
-Returns:: The number of `local_shared_ptr` objects, `*this` included, that share ownership with `*this`, or 0 when `*this` is empty.
+Returns::
+  The number of `local_shared_ptr` objects, `*this` included, that share ownership with `*this`, or 0 when `*this` is empty.
 
 ### conversions
 ```
@@ -538,16 +545,28 @@ void swap(local_shared_ptr & b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Exchanges the contents of the two smart pointers.
+Effects::
+  Exchanges the contents of the two smart pointers.
 
 ### owner_before
 ```
-template<class Y> bool owner_before(local_shared_ptr<Y> const & rhs) const noexcept;
+template<class Y> bool owner_before(local_shared_ptr<Y> const & r) const noexcept;
 ```
 [none]
 * {blank}
 +
-Effects:: See the description of `operator<`.
+Returns::
+  See the description of `operator<`.
+
+### owner_equals
+```
+template<class Y> bool owner_equals(local_shared_ptr<Y> const & r) const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  `true` if and only if `*this` and `r` share ownership or are both empty.
 
 ## Free Functions
 
@@ -631,7 +650,8 @@ template<class T> void swap(local_shared_ptr<T> & a, local_shared_ptr<T> & b) no
 [none]
 * {blank}
 +
-Effects:: Equivalent to `a.swap(b)`.
+Effects::
+  Equivalent to `a.swap(b)`.
 
 ### get_pointer
 ```

doc/smart_ptr/make_unique.adoc

@@ -30,8 +30,8 @@ requests from users.
 
 This library also provides additional overloads of `make_unique` for
 default-initialization, when users do not need or want to incur the expense
-of value-initialization. The {cpp} standard does not yet provide this
-feature with `std::make_unique`.
+of value-initialization. The {cpp}20 standard now provides this feature with
+`std::make_unique_for_overwrite`.
 
 ## Synopsis
 

doc/smart_ptr/owner_equal_to.adoc

@@ -0,0 +1,45 @@
+////
+Copyright 2020 Peter Dimov
+Distributed under the Boost Software License, Version 1.0.
+https://www.boost.org/LICENSE_1_0.txt
+////
+
+[#owner_equal_to]
+# owner_equal_to
+:toc:
+:toc-title:
+:idprefix: owner_equal_to_
+
+## Description
+
+`owner_equal_to<T>` is a helper function object that compares two smart
+pointer objects using `owner_equals`.
+
+## Synopsis
+
+`owner_equal_to` is defined in `<boost/smart_ptr/owner_equal_to.hpp>`.
+
+```
+namespace boost {
+
+  template<class T = void> struct owner_equal_to
+  {
+    typedef bool result_type;
+    typedef T first_argument_type;
+    typedef T second_argument_type;
+
+    template<class U, class V> bool operator()( U const & u, V const & v ) const noexcept;
+  };
+}
+```
+
+## Members
+
+```
+template<class U, class V> bool operator()( U const & u, V const & v ) const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  `u.owner_equals( v )`.

doc/smart_ptr/owner_hash.adoc

@@ -0,0 +1,56 @@
+////
+Copyright 2020 Peter Dimov
+Distributed under the Boost Software License, Version 1.0.
+https://www.boost.org/LICENSE_1_0.txt
+////
+
+[#owner_hash]
+# owner_hash
+:toc:
+:toc-title:
+:idprefix: owner_hash_to_
+
+## Description
+
+`owner_hash<T>` is a helper function object that takes a smart pointer `p`
+and returns `p.owner_hash_value()`. It's useful for creating unordered
+containers of `shared_ptr` that use ownership-based equality, instead of
+the default pointer value equality. (It can be used with `weak_ptr` too,
+but there's no need, because `boost::hash` and `std::hash` for `weak_ptr`
+already use ownership-based equality.)
+
+## Example
+
+```
+std::unordered_set< boost::shared_ptr<void>,
+  boost::owner_hash< boost::shared_ptr<void> >,
+  boost::owner_equal_to< boost::shared_ptr<void> > > set;
+```
+
+## Synopsis
+
+`owner_hash` is defined in `<boost/smart_ptr/owner_hash.hpp>`.
+
+```
+namespace boost {
+
+  template<class T> struct owner_hash
+  {
+    typedef std::size_t result_type;
+    typedef T argument_type;
+
+    std::size_t operator()( T const & p ) const noexcept;
+  };
+}
+```
+
+## Members
+
+```
+std::size_t operator()( T const & p ) const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  `p.owner_hash_value()`.

doc/smart_ptr/owner_less.adoc

@@ -0,0 +1,50 @@
+////
+Copyright 2020 Peter Dimov
+Distributed under the Boost Software License, Version 1.0.
+https://www.boost.org/LICENSE_1_0.txt
+////
+
+[#owner_less]
+# owner_less
+:toc:
+:toc-title:
+:idprefix: owner_less_
+
+## Description
+
+`owner_less<T>` is a helper function object that compares two smart
+pointer objects using `owner_before`. It is only provided for compatibility
+with {cpp}11 and corresponds to the standard component of the same name.
+
+When using Boost smart pointers, the use of `owner_less` is unnecessary, as
+the supplied `operator<` overloads (and, correspondingly, `std::less`) return
+the same result.
+
+## Synopsis
+
+`owner_less` is defined in `<boost/smart_ptr/owner_less.hpp>`.
+
+```
+namespace boost {
+
+  template<class T = void> struct owner_less
+  {
+    typedef bool result_type;
+    typedef T first_argument_type;
+    typedef T second_argument_type;
+
+    template<class U, class V> bool operator()( U const & u, V const & v ) const noexcept;
+  };
+}
+```
+
+## Members
+
+```
+template<class U, class V> bool operator()( U const & u, V const & v ) const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  `u.owner_before( v )`.

doc/smart_ptr/shared_array.adoc

@@ -210,7 +210,8 @@ T* get() const noexcept;
 [none]
 * {blank}
 +
-Returns:: The stored pointer.
+Returns::
+  The stored pointer.
 
 ### unique
 
@@ -220,8 +221,8 @@ bool unique() const noexcept;
 [none]
 * {blank}
 +
-Returns:: `true` if no other `shared_array` is sharing ownership of the
-stored pointer, `false` otherwise.
+Returns::
+  `true` if no other `shared_array` is sharing ownership of the stored pointer, `false` otherwise.
 
 ### use_count
 
@@ -253,7 +254,8 @@ void swap(shared_array<T>& b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Exchanges the contents of the two smart pointers.
+Effects::
+  Exchanges the contents of the two smart pointers.
 
 ## Free Functions
 

doc/smart_ptr/shared_ptr.adoc

@@ -178,8 +178,13 @@ namespace boost {
 
     void swap(shared_ptr & b) noexcept;
 
-    template<class Y> bool owner_before(shared_ptr<Y> const & rhs) const noexcept;
-    template<class Y> bool owner_before(weak_ptr<Y> const & rhs) const noexcept;
+    template<class Y> bool owner_before(shared_ptr<Y> const & r) const noexcept;
+    template<class Y> bool owner_before(weak_ptr<Y> const & r) const noexcept;
+
+    template<class Y> bool owner_equals(shared_ptr<Y> const & r) const noexcept;
+    template<class Y> bool owner_equals(weak_ptr<Y> const & r) const noexcept;
+
+    std::size_t owner_hash_value() const noexcept;
   };
 
   template<class T, class U>
@@ -560,7 +565,8 @@ template<class Y> void reset(shared_ptr<Y> && r, element_type * p) noexcept;
 [none]
 * {blank}
 +
-Effects:: Equivalent to `shared_ptr(std::move(r), p).swap(*this)`.
+Effects::
+  Equivalent to `shared_ptr(std::move(r), p).swap(*this)`.
 
 ### indirection
 ```
@@ -598,7 +604,8 @@ element_type * get() const noexcept;
 [none]
 * {blank}
 +
-Returns:: The stored pointer.
+Returns::
+  The stored pointer.
 
 ### unique
 ```
@@ -607,7 +614,8 @@ bool unique() const noexcept;
 [none]
 * {blank}
 +
-Returns:: `use_count() == 1`.
+Returns::
+  `use_count() == 1`.
 
 ### use_count
 ```
@@ -616,7 +624,8 @@ long use_count() const noexcept;
 [none]
 * {blank}
 +
-Returns:: The number of `shared_ptr` objects, `*this` included, that share ownership with `*this`, or 0 when `*this` is empty.
+Returns::
+  The number of `shared_ptr` objects, `*this` included, that share ownership with `*this`, or 0 when `*this` is empty.
 
 ### conversions
 ```
@@ -641,19 +650,45 @@ void swap(shared_ptr & b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Exchanges the contents of the two smart pointers.
+Effects::
+  Exchanges the contents of the two smart pointers.
 
 ### owner_before
 ```
-template<class Y> bool owner_before(shared_ptr<Y> const & rhs) const noexcept;
+template<class Y> bool owner_before(shared_ptr<Y> const & r) const noexcept;
 ```
 ```
-template<class Y> bool owner_before(weak_ptr<Y> const & rhs) const noexcept;
+template<class Y> bool owner_before(weak_ptr<Y> const & r) const noexcept;
 ```
 [none]
 * {blank}
 +
-Effects:: See the description of `operator<`.
+Returns::
+  See the description of `operator<`.
+
+### owner_equals
+```
+template<class Y> bool owner_equals(shared_ptr<Y> const & r) const noexcept;
+```
+```
+template<class Y> bool owner_equals(weak_ptr<Y> const & r) const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  `true` if and only if `*this` and `r` share ownership or are both empty.
+
+### owner_hash_value
+```
+std::size_t owner_hash_value() const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  An unspecified hash value such that two instances that share ownership
+  have the same hash value.
 
 ## Free Functions
 
@@ -721,7 +756,8 @@ template<class T> void swap(shared_ptr<T> & a, shared_ptr<T> & b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Equivalent to `a.swap(b)`.
+Effects::
+  Equivalent to `a.swap(b)`.
 
 ### get_pointer
 ```
@@ -805,7 +841,8 @@ template<class D, class T>
 [none]
 * {blank}
 +
-Returns:: If `*this` owns a deleter `d` of type (cv-unqualified) `D`, returns `&d`; otherwise returns 0.
+Returns::
+  If `*this` owns a deleter `d` of type (cv-unqualified) `D`, returns `&d`; otherwise returns 0.
 
 ### Atomic Access
 

doc/smart_ptr/weak_ptr.adoc

@@ -112,6 +112,11 @@ namespace boost {
 
     template<class Y> bool owner_before( weak_ptr<Y> const & r ) const noexcept;
     template<class Y> bool owner_before( shared_ptr<Y> const & r ) const noexcept;
+
+    template<class Y> bool owner_equals( weak_ptr<Y> const & r ) const noexcept;
+    template<class Y> bool owner_equals( shared_ptr<Y> const & r ) const noexcept;
+
+    std::size_t owner_hash_value() const noexcept;
   };
 
   template<class T, class U>
@@ -185,7 +190,8 @@ NOTE: These constructors are an extension, not present in `std::weak_ptr`.
 [none]
 * {blank}
 +
-Effects:: Destroys this `weak_ptr` but has no effect on the object its stored pointer points to.
+Effects::
+  Destroys this `weak_ptr` but has no effect on the object its stored pointer points to.
 
 ### assignment
 ```
@@ -214,7 +220,8 @@ long use_count() const noexcept;
 [none]
 * {blank}
 +
-Returns:: 0 if `*this` is empty; otherwise, the number of `shared_ptr` objects that share ownership with `*this`.
+Returns::
+  0 if `*this` is empty; otherwise, the number of `shared_ptr` objects that share ownership with `*this`.
 
 ### expired
 ```
@@ -223,7 +230,8 @@ bool expired() const noexcept;
 [none]
 * {blank}
 +
-Returns:: `use_count() == 0`.
+Returns::
+  `use_count() == 0`.
 
 ### empty
 ```
@@ -243,7 +251,8 @@ shared_ptr<T> lock() const noexcept;
 [none]
 * {blank}
 +
-Returns:: `expired()? shared_ptr<T>(): shared_ptr<T>(*this)`.
+Returns::
+  `expired()? shared_ptr<T>(): shared_ptr<T>(*this)`.
 
 ### reset
 ```
@@ -252,7 +261,8 @@ void reset() noexcept;
 [none]
 * {blank}
 +
-Effects:: Equivalent to `weak_ptr().swap(*this)`.
+Effects::
+  Equivalent to `weak_ptr().swap(*this)`.
 
 ### swap
 ```
@@ -261,8 +271,10 @@ void swap(weak_ptr & b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Exchanges the contents of the two smart pointers.
+Effects::
+  Exchanges the contents of the two smart pointers.
 
+### owner_before
 ```
 template<class Y> bool owner_before( weak_ptr<Y> const & r ) const noexcept;
 ```
@@ -272,7 +284,32 @@ template<class Y> bool owner_before( shared_ptr<Y> const & r ) const noexcept;
 [none]
 * {blank}
 +
-Returns:: See the description of `operator<`.
+Returns::
+  See the description of `operator<`.
+
+### owner_equals
+```
+template<class Y> bool owner_equals( weak_ptr<Y> const & r ) const noexcept;
+```
+```
+template<class Y> bool owner_equals( shared_ptr<Y> const & r ) const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  `true` if and only if `*this` and `r` share ownership or are both empty.
+
+### owner_hash_value
+```
+std::size_t owner_hash_value() const noexcept;
+```
+[none]
+* {blank}
++
+Returns::
+  An unspecified hash value such that two instances that share ownership
+  have the same hash value.
 
 ## Free Functions
 
@@ -298,7 +335,8 @@ template<class T> void swap(weak_ptr<T> & a, weak_ptr<T> & b) noexcept;
 [none]
 * {blank}
 +
-Effects:: Equivalent to `a.swap(b)`.
+Effects::
+  Equivalent to `a.swap(b)`.
 
 ## Frequently Asked Questions
 

extras/src/sp_collector.cpp

@@ -1,270 +0,0 @@
-//
-//  sp_collector.cpp
-//
-//  Copyright (c) 2002, 2003 Peter Dimov
-//
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-
-#include <boost/assert.hpp>
-#include <boost/shared_ptr.hpp>
-#include <boost/detail/lightweight_mutex.hpp>
-#include <cstdlib>
-#include <map>
-#include <deque>
-#include <iostream>
-
-typedef std::map< void const *, std::pair<void *, size_t> > map_type;
-
-static map_type & get_map()
-{
-    static map_type m;
-    return m;
-}
-
-typedef boost::detail::lightweight_mutex mutex_type;
-
-static mutex_type & get_mutex()
-{
-    static mutex_type m;
-    return m;
-}
-
-static void * init_mutex_before_main = &get_mutex();
-
-namespace
-{
-    class X;
-
-    struct count_layout
-    {
-        boost::detail::sp_counted_base * pi;
-        int id;
-    };
-
-    struct shared_ptr_layout
-    {
-        X * px;
-        count_layout pn;
-    };
-}
-
-// assume 4 byte alignment for pointers when scanning
-size_t const pointer_align = 4;
-
-typedef std::map<void const *, long> map2_type;
-
-static void scan_and_count(void const * area, size_t size, map_type const & m, map2_type & m2)
-{
-    unsigned char const * p = static_cast<unsigned char const *>(area);
-
-    for(size_t n = 0; n + sizeof(shared_ptr_layout) <= size; p += pointer_align, n += pointer_align)
-    {
-        shared_ptr_layout const * q = reinterpret_cast<shared_ptr_layout const *>(p);
-
-        if(q->pn.id == boost::detail::shared_count_id && q->pn.pi != 0 && m.count(q->pn.pi) != 0)
-        {
-            ++m2[q->pn.pi];
-        }
-    }
-}
-
-typedef std::deque<void const *> open_type;
-
-static void scan_and_mark(void const * area, size_t size, map2_type & m2, open_type & open)
-{
-    unsigned char const * p = static_cast<unsigned char const *>(area);
-
-    for(size_t n = 0; n + sizeof(shared_ptr_layout) <= size; p += pointer_align, n += pointer_align)
-    {
-        shared_ptr_layout const * q = reinterpret_cast<shared_ptr_layout const *>(p);
-
-        if(q->pn.id == boost::detail::shared_count_id && q->pn.pi != 0 && m2.count(q->pn.pi) != 0)
-        {
-            open.push_back(q->pn.pi);
-            m2.erase(q->pn.pi);
-        }
-    }
-}
-
-static void find_unreachable_objects_impl(map_type const & m, map2_type & m2)
-{
-    // scan objects for shared_ptr members, compute internal counts
-
-    {
-        std::cout << "... " << m.size() << " objects in m.\n";
-
-        for(map_type::const_iterator i = m.begin(); i != m.end(); ++i)
-        {
-            boost::detail::sp_counted_base const * p = static_cast<boost::detail::sp_counted_base const *>(i->first);
-
-            BOOST_ASSERT(p->use_count() != 0); // there should be no inactive counts in the map
-
-            m2[ i->first ];
-
-            scan_and_count(i->second.first, i->second.second, m, m2);
-        }
-
-        std::cout << "... " << m2.size() << " objects in m2.\n";
-    }
-
-    // mark reachable objects
-
-    {
-        open_type open;
-
-        for(map2_type::iterator i = m2.begin(); i != m2.end(); ++i)
-        {
-            boost::detail::sp_counted_base const * p = static_cast<boost::detail::sp_counted_base const *>(i->first);
-            if(p->use_count() != i->second) open.push_back(p);
-        }
-
-        std::cout << "... " << open.size() << " objects in open.\n";
-
-        for(open_type::iterator j = open.begin(); j != open.end(); ++j)
-        {
-            m2.erase(*j);
-        }
-
-        while(!open.empty())
-        {
-            void const * p = open.front();
-            open.pop_front();
-
-            map_type::const_iterator i = m.find(p);
-            BOOST_ASSERT(i != m.end());
-
-            scan_and_mark(i->second.first, i->second.second, m2, open);
-        }
-    }
-
-    // m2 now contains the unreachable objects
-}
-
-std::size_t find_unreachable_objects(bool report)
-{
-    map2_type m2;
-
-#ifdef BOOST_HAS_THREADS
-
-    // This will work without the #ifdef, but some compilers warn
-    // that lock is not referenced
-
-    mutex_type::scoped_lock lock(get_mutex());
-
-#endif
-
-    map_type const & m = get_map();
-
-    find_unreachable_objects_impl(m, m2);
-
-    if(report)
-    {
-        for(map2_type::iterator j = m2.begin(); j != m2.end(); ++j)
-        {
-            map_type::const_iterator i = m.find(j->first);
-            BOOST_ASSERT(i != m.end());
-            std::cout << "Unreachable object at " << i->second.first << ", " << i->second.second << " bytes long.\n";
-        }
-    }
-
-    return m2.size();
-}
-
-typedef std::deque< boost::shared_ptr<X> > free_list_type;
-
-static void scan_and_free(void * area, size_t size, map2_type const & m2, free_list_type & free)
-{
-    unsigned char * p = static_cast<unsigned char *>(area);
-
-    for(size_t n = 0; n + sizeof(shared_ptr_layout) <= size; p += pointer_align, n += pointer_align)
-    {
-        shared_ptr_layout * q = reinterpret_cast<shared_ptr_layout *>(p);
-
-        if(q->pn.id == boost::detail::shared_count_id && q->pn.pi != 0 && m2.count(q->pn.pi) != 0 && q->px != 0)
-        {
-            boost::shared_ptr<X> * ppx = reinterpret_cast< boost::shared_ptr<X> * >(p);
-            free.push_back(*ppx);
-            ppx->reset();
-        }
-    }
-}
-
-void free_unreachable_objects()
-{
-    free_list_type free;
-
-    {
-        map2_type m2;
-
-#ifdef BOOST_HAS_THREADS
-
-        mutex_type::scoped_lock lock(get_mutex());
-
-#endif
-
-        map_type const & m = get_map();
-
-        find_unreachable_objects_impl(m, m2);
-
-        for(map2_type::iterator j = m2.begin(); j != m2.end(); ++j)
-        {
-            map_type::const_iterator i = m.find(j->first);
-            BOOST_ASSERT(i != m.end());
-            scan_and_free(i->second.first, i->second.second, m2, free);
-        }
-    }
-
-    std::cout << "... about to free " << free.size() << " objects.\n";
-}
-
-// debug hooks
-
-namespace boost
-{
-
-void sp_scalar_constructor_hook(void *)
-{
-}
-
-void sp_scalar_constructor_hook(void * px, std::size_t size, void * pn)
-{
-#ifdef BOOST_HAS_THREADS
-
-    mutex_type::scoped_lock lock(get_mutex());
-
-#endif
-
-    get_map()[pn] = std::make_pair(px, size);
-}
-
-void sp_scalar_destructor_hook(void *)
-{
-}
-
-void sp_scalar_destructor_hook(void *, std::size_t, void * pn)
-{
-#ifdef BOOST_HAS_THREADS
-
-    mutex_type::scoped_lock lock(get_mutex());
-
-#endif
-
-    get_map().erase(pn);
-}
-
-void sp_array_constructor_hook(void *)
-{
-}
-
-void sp_array_destructor_hook(void *)
-{
-}
-
-} // namespace boost
-
-#endif // defined(BOOST_SP_ENABLE_DEBUG_HOOKS)

extras/src/sp_debug_hooks.cpp

@@ -1,243 +0,0 @@
-//
-//  sp_debug_hooks.cpp
-//
-//  Copyright (c) 2002, 2003 Peter Dimov
-//
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-
-#include <boost/assert.hpp>
-#include <new>
-#include <cstdlib>
-
-int const m = 2; // m * sizeof(int) must be aligned appropriately
-
-// magic values to mark heap blocks with
-
-int const allocated_scalar  = 0x1234560C;
-int const allocated_array   = 0x1234560A;
-int const adopted_scalar    = 0x0567890C;
-int const adopted_array     = 0x0567890A;
-int const deleted           = 0x498769DE;
-
-using namespace std; // for compilers where things aren't in std
-
-// operator new
-
-static new_handler get_new_handler()
-{
-    new_handler p = set_new_handler(0);
-    set_new_handler(p);
-    return p;
-}
-
-static void * allocate(size_t n, int mark)
-{
-    int * pm;
-
-    for(;;)
-    {
-        pm = static_cast<int*>(malloc(n + m * sizeof(int)));
-
-        if(pm != 0) break;
-
-        if(new_handler pnh = get_new_handler())
-        {
-            pnh();
-        }
-        else
-        {
-            return 0;
-        }
-    }
-
-    *pm = mark;
-
-    return pm + m;
-}
-
-void * operator new(size_t n) throw(bad_alloc)
-{
-    void * p = allocate(n, allocated_scalar);
-
-#if !defined(BOOST_NO_EXCEPTIONS)
-
-    if(p == 0) throw bad_alloc();
-
-#endif
-
-    return p;
-}
-
-#if !defined(__BORLANDC__) || (__BORLANDC__ > 0x551)
-
-void * operator new(size_t n, nothrow_t const &) throw()
-{
-    return allocate(n, allocated_scalar);
-}
-
-#endif
-
-void * operator new[](size_t n) throw(bad_alloc)
-{
-    void * p = allocate(n, allocated_array);
-
-#if !defined(BOOST_NO_EXCEPTIONS)
-
-    if(p == 0) throw bad_alloc();
-
-#endif
-
-    return p;
-}
-
-#if !defined(__BORLANDC__) || (__BORLANDC__ > 0x551)
-
-void * operator new[](size_t n, nothrow_t const &) throw()
-{
-    return allocate(n, allocated_array);
-}
-
-#endif
-
-// debug hooks
-
-namespace boost
-{
-
-void sp_scalar_constructor_hook(void * p)
-{
-    if(p == 0) return;
-
-    int * pm = static_cast<int*>(p);
-    pm -= m;
-
-    BOOST_ASSERT(*pm != adopted_scalar);    // second smart pointer to the same address
-    BOOST_ASSERT(*pm != allocated_array);   // allocated with new[]
-    BOOST_ASSERT(*pm == allocated_scalar);  // not allocated with new
-
-    *pm = adopted_scalar;
-}
-
-void sp_scalar_constructor_hook(void * px, std::size_t, void *)
-{
-    sp_scalar_constructor_hook(px);
-}
-
-void sp_scalar_destructor_hook(void * p)
-{
-    if(p == 0) return;
-
-    int * pm = static_cast<int*>(p);
-    pm -= m;
-
-    BOOST_ASSERT(*pm == adopted_scalar);    // attempt to destroy nonmanaged block
-
-    *pm = allocated_scalar;
-}
-
-void sp_scalar_destructor_hook(void * px, std::size_t, void *)
-{
-    sp_scalar_destructor_hook(px);
-}
-
-// It is not possible to handle the array hooks in a portable manner.
-// The implementation typically reserves a bit of storage for the number
-// of objects in the array, and the argument of the array hook isn't
-// equal to the return value of operator new[].
-
-void sp_array_constructor_hook(void * /* p */)
-{
-/*
-    if(p == 0) return;
-
-    // adjust p depending on the implementation
-
-    int * pm = static_cast<int*>(p);
-    pm -= m;
-
-    BOOST_ASSERT(*pm != adopted_array);     // second smart array pointer to the same address
-    BOOST_ASSERT(*pm != allocated_scalar);  // allocated with new
-    BOOST_ASSERT(*pm == allocated_array);   // not allocated with new[]
-
-    *pm = adopted_array;
-*/
-}
-
-void sp_array_destructor_hook(void * /* p */)
-{
-/*
-    if(p == 0) return;
-
-    // adjust p depending on the implementation
-
-    int * pm = static_cast<int*>(p);
-    pm -= m;
-
-    BOOST_ASSERT(*pm == adopted_array); // attempt to destroy nonmanaged block
-
-    *pm = allocated_array;
-*/
-}
-
-} // namespace boost
-
-// operator delete
-
-void operator delete(void * p) throw()
-{
-    if(p == 0) return;
-
-    int * pm = static_cast<int*>(p);
-    pm -= m;
-
-    BOOST_ASSERT(*pm != deleted);           // double delete
-    BOOST_ASSERT(*pm != adopted_scalar);    // delete p.get();
-    BOOST_ASSERT(*pm != allocated_array);   // allocated with new[]
-    BOOST_ASSERT(*pm == allocated_scalar);  // not allocated with new
-
-    *pm = deleted;
-
-    free(pm);
-}
-
-#if !defined(__BORLANDC__) || (__BORLANDC__ > 0x551)
-
-void operator delete(void * p, nothrow_t const &) throw()
-{
-    ::operator delete(p);
-}
-
-#endif
-
-void operator delete[](void * p) throw()
-{
-    if(p == 0) return;
-
-    int * pm = static_cast<int*>(p);
-    pm -= m;
-
-    BOOST_ASSERT(*pm != deleted);           // double delete
-    BOOST_ASSERT(*pm != adopted_scalar);    // delete p.get();
-    BOOST_ASSERT(*pm != allocated_scalar);  // allocated with new
-    BOOST_ASSERT(*pm == allocated_array);   // not allocated with new[]
-
-    *pm = deleted;
-
-    free(pm);
-}
-
-#if !defined(__BORLANDC__) || (__BORLANDC__ > 0x551)
-
-void operator delete[](void * p, nothrow_t const &) throw()
-{
-    ::operator delete[](p);
-}
-
-#endif
-
-#endif // defined(BOOST_SP_ENABLE_DEBUG_HOOKS)

extras/test/shared_ptr_mt_test.cpp

@@ -1,12 +1,3 @@
-#include <boost/config.hpp>
-
-#if defined(BOOST_MSVC)
-#pragma warning(disable: 4786)  // identifier truncated in debug info
-#pragma warning(disable: 4710)  // function not inlined
-#pragma warning(disable: 4711)  // function selected for automatic inline expansion
-#pragma warning(disable: 4514)  // unreferenced inline removed
-#endif
-
 //  shared_ptr_mt_test.cpp - tests shared_ptr with multiple threads
 //
 //  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
@@ -18,14 +9,14 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/bind.hpp>
+#include <boost/config.hpp>
+
+#include <boost/smart_ptr/detail/lightweight_thread.hpp>
 
 #include <vector>
-
 #include <cstdio>
 #include <ctime>
 
-#include <boost/detail/lightweight_thread.hpp>
-
 //
 
 int const n = 1024 * 1024;

extras/test/shared_ptr_timing_test.cpp

@@ -1,12 +1,3 @@
-#include <boost/config.hpp>
-
-#if defined(BOOST_MSVC)
-#pragma warning(disable: 4786)  // identifier truncated in debug info
-#pragma warning(disable: 4710)  // function not inlined
-#pragma warning(disable: 4711)  // function selected for automatic inline expansion
-#pragma warning(disable: 4514)  // unreferenced inline removed
-#endif
-
 //
 //  shared_ptr_timing_test.cpp - use to evaluate the impact of thread safety
 //

extras/test/sp_atomic_mt2_test.cpp

@@ -13,8 +13,8 @@
 #include <boost/thread/shared_mutex.hpp>
 #include <boost/thread/locks.hpp>
 
-#include <boost/detail/lightweight_mutex.hpp>
-#include <boost/detail/lightweight_thread.hpp>
+#include <boost/smart_ptr/detail/lightweight_mutex.hpp>
+#include <boost/smart_ptr/detail/lightweight_thread.hpp>
 
 #include <vector>
 #include <numeric>

extras/test/sp_atomic_mt_test.cpp

@@ -18,9 +18,9 @@
 #include <boost/thread/locks.hpp>
 #endif
 
-#include <boost/detail/lightweight_mutex.hpp>
-#include <boost/detail/lightweight_test.hpp>
-#include <boost/detail/lightweight_thread.hpp>
+#include <boost/smart_ptr/detail/lightweight_mutex.hpp>
+#include <boost/smart_ptr/detail/lightweight_thread.hpp>
+#include <boost/core/lightweight_test.hpp>
 
 #include <cstdio>
 #include <ctime>

extras/test/weak_ptr_mt_test.cpp

@@ -1,12 +1,3 @@
-#include <boost/config.hpp>
-
-#if defined(BOOST_MSVC)
-#pragma warning(disable: 4786)  // identifier truncated in debug info
-#pragma warning(disable: 4710)  // function not inlined
-#pragma warning(disable: 4711)  // function selected for automatic inline expansion
-#pragma warning(disable: 4514)  // unreferenced inline removed
-#endif
-
 //  weak_ptr_mt_test.cpp
 //
 //  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
@@ -19,15 +10,15 @@
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
 #include <boost/bind.hpp>
+#include <boost/config.hpp>
+
+#include <boost/smart_ptr/detail/lightweight_thread.hpp>
 
 #include <vector>
-
 #include <cstdio>
 #include <ctime>
 #include <cstdlib>
 
-#include <boost/detail/lightweight_thread.hpp>
-
 //
 
 int const n = 16384;

extras/test/weak_ptr_timing_test.cpp

@@ -1,12 +1,3 @@
-#include <boost/config.hpp>
-
-#if defined(BOOST_MSVC)
-#pragma warning(disable: 4786)  // identifier truncated in debug info
-#pragma warning(disable: 4710)  // function not inlined
-#pragma warning(disable: 4711)  // function selected for automatic inline expansion
-#pragma warning(disable: 4514)  // unreferenced inline removed
-#endif
-
 //
 //  weak_ptr_timing_test.cpp
 //
@@ -20,6 +11,7 @@
 
 #include <boost/shared_ptr.hpp>
 #include <boost/weak_ptr.hpp>
+#include <boost/config.hpp>
 
 #include <vector>
 #include <cstdio>

include/boost/detail/atomic_count.hpp

@@ -1,20 +1,13 @@
 #ifndef BOOST_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
 #define BOOST_DETAIL_ATOMIC_COUNT_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
+// Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
+#include <boost/config/header_deprecated.hpp>
 
-//
-//  boost/detail/atomic_count.hpp - thread/SMP safe reference counter
-//
-//  Copyright (c) 2001, 2002 Peter Dimov and Multi Media Ltd.
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
+BOOST_HEADER_DEPRECATED("<boost/smart_ptr/detail/atomic_count.hpp>")
 
 #include <boost/smart_ptr/detail/atomic_count.hpp>
 

include/boost/detail/lightweight_mutex.hpp

@@ -1,21 +1,13 @@
 #ifndef BOOST_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
 #define BOOST_DETAIL_LIGHTWEIGHT_MUTEX_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
+// Copyright (c) 2002, 2003 Peter Dimov and Multi Media Ltd.
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
+#include <boost/config/header_deprecated.hpp>
 
-//
-//  boost/detail/lightweight_mutex.hpp - lightweight mutex
-//
-//  Copyright (c) 2002, 2003 Peter Dimov and Multi Media Ltd.
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-//
+BOOST_HEADER_DEPRECATED("<boost/smart_ptr/detail/lightweight_mutex.hpp>")
 
 #include <boost/smart_ptr/detail/lightweight_mutex.hpp>
 

include/boost/detail/lightweight_thread.hpp

@@ -1,188 +1,15 @@
 #ifndef BOOST_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
 #define BOOST_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
+// Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
+// Copyright (c) 2008, 2018 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
+#include <boost/config/header_deprecated.hpp>
 
-//  boost/detail/lightweight_thread.hpp
-//
-//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
-//  Copyright (c) 2008, 2018 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-//
-//
-//  typedef /*...*/ lw_thread_t; // as pthread_t
-//  template<class F> int lw_thread_create( lw_thread_t & th, F f );
-//  void lw_thread_join( lw_thread_t th );
+BOOST_HEADER_DEPRECATED("<boost/smart_ptr/detail/lightweight_thread.hpp>")
 
-
-#include <boost/config.hpp>
-#include <memory>
-#include <cerrno>
-
-#if defined( BOOST_HAS_PTHREADS )
-
-#include <pthread.h>
-
-namespace boost
-{
-namespace detail
-{
-
-typedef ::pthread_t lw_thread_t;
-
-inline int lw_thread_create_( lw_thread_t* thread, const pthread_attr_t* attr, void* (*start_routine)( void* ), void* arg )
-{
-    return ::pthread_create( thread, attr, start_routine, arg );
-}
-
-inline void lw_thread_join( lw_thread_t th )
-{
-    ::pthread_join( th, 0 );
-}
-
-} // namespace detail
-} // namespace boost
-
-#else // defined( BOOST_HAS_PTHREADS )
-
-#include <windows.h>
-#include <process.h>
-
-namespace boost
-{
-namespace detail
-{
-
-typedef HANDLE lw_thread_t;
-
-inline int lw_thread_create_( lw_thread_t * thread, void const *, unsigned (__stdcall * start_routine) (void*), void* arg )
-{
-    HANDLE h = (HANDLE)_beginthreadex( 0, 0, start_routine, arg, 0, 0 );
-
-    if( h != 0 )
-    {
-        *thread = h;
-        return 0;
-    }
-    else
-    {
-        return EAGAIN;
-    }
-}
-
-inline void lw_thread_join( lw_thread_t thread )
-{
-    ::WaitForSingleObject( thread, INFINITE );
-    ::CloseHandle( thread );
-}
-
-} // namespace detail
-} // namespace boost
-
-#endif // defined( BOOST_HAS_PTHREADS )
-
-
-namespace boost
-{
-namespace detail
-{
-
-class lw_abstract_thread
-{
-public:
-
-    virtual ~lw_abstract_thread() {}
-    virtual void run() = 0;
-};
-
-#if defined( BOOST_HAS_PTHREADS )
-
-extern "C" void * lw_thread_routine( void * pv )
-{
-#if defined(BOOST_NO_CXX11_SMART_PTR)
-
-    std::auto_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
-
-#else
-
-    std::unique_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
-
-#endif
-
-    pt->run();
-
-    return 0;
-}
-
-#else
-
-unsigned __stdcall lw_thread_routine( void * pv )
-{
-#if defined(BOOST_NO_CXX11_SMART_PTR)
-
-    std::auto_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
-
-#else
-
-    std::unique_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
-
-#endif
-
-    pt->run();
-
-    return 0;
-}
-
-#endif
-
-template<class F> class lw_thread_impl: public lw_abstract_thread
-{
-public:
-
-    explicit lw_thread_impl( F f ): f_( f )
-    {
-    }
-
-    void run()
-    {
-        f_();
-    }
-
-private:
-
-    F f_;
-};
-
-template<class F> int lw_thread_create( lw_thread_t & th, F f )
-{
-#if defined(BOOST_NO_CXX11_SMART_PTR)
-
-    std::auto_ptr<lw_abstract_thread> p( new lw_thread_impl<F>( f ) );
-
-#else
-
-    std::unique_ptr<lw_abstract_thread> p( new lw_thread_impl<F>( f ) );
-
-#endif
-
-    int r = lw_thread_create_( &th, 0, lw_thread_routine, p.get() );
-
-    if( r == 0 )
-    {
-        p.release();
-    }
-
-    return r;
-}
-
-} // namespace detail
-} // namespace boost
+#include <boost/smart_ptr/detail/lightweight_thread.hpp>
 
 #endif // #ifndef BOOST_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED

include/boost/detail/quick_allocator.hpp

@@ -1,22 +1,14 @@
 #ifndef BOOST_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
 #define BOOST_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
+// Copyright (c) 2003 David Abrahams
+// Copyright (c) 2003 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
+#include <boost/config/header_deprecated.hpp>
 
-//
-//  detail/quick_allocator.hpp
-//
-//  Copyright (c) 2003 David Abrahams
-//  Copyright (c) 2003 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-//
+BOOST_HEADER_DEPRECATED("<boost/smart_ptr/detail/quick_allocator.hpp>")
 
 #include <boost/smart_ptr/detail/quick_allocator.hpp>
 

include/boost/pointer_cast.hpp

@@ -10,49 +10,39 @@
 #ifndef BOOST_POINTER_CAST_HPP
 #define BOOST_POINTER_CAST_HPP
 
-#include <boost/config.hpp>
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
+#include <memory>
+#include <type_traits>
 
 namespace boost { 
 
 //static_pointer_cast overload for raw pointers
 template<class T, class U>
-inline T* static_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
+inline T* static_pointer_cast(U *ptr) noexcept
 {  
    return static_cast<T*>(ptr);
 }
 
 //dynamic_pointer_cast overload for raw pointers
 template<class T, class U>
-inline T* dynamic_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
+inline T* dynamic_pointer_cast(U *ptr) noexcept
 {  
    return dynamic_cast<T*>(ptr);
 }
 
 //const_pointer_cast overload for raw pointers
 template<class T, class U>
-inline T* const_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
+inline T* const_pointer_cast(U *ptr) noexcept
 {  
    return const_cast<T*>(ptr);
 }
 
 //reinterpret_pointer_cast overload for raw pointers
 template<class T, class U>
-inline T* reinterpret_pointer_cast(U *ptr) BOOST_SP_NOEXCEPT
+inline T* reinterpret_pointer_cast(U *ptr) noexcept
 {  
    return reinterpret_cast<T*>(ptr);
 }
 
-} // namespace boost
-
-#if !defined( BOOST_NO_CXX11_SMART_PTR )
-
-#include <boost/type_traits/has_virtual_destructor.hpp>
-#include <boost/static_assert.hpp>
-#include <memory>
-
-namespace boost {
-
 //static_pointer_cast overload for std::shared_ptr
 using std::static_pointer_cast;
 
@@ -63,7 +53,7 @@ using std::dynamic_pointer_cast;
 using std::const_pointer_cast;
 
 //reinterpret_pointer_cast overload for std::shared_ptr
-template<class T, class U> std::shared_ptr<T> reinterpret_pointer_cast(const std::shared_ptr<U> & r ) BOOST_SP_NOEXCEPT
+template<class T, class U> std::shared_ptr<T> reinterpret_pointer_cast(const std::shared_ptr<U> & r ) noexcept
 {
     (void) reinterpret_cast< T* >( static_cast< U* >( 0 ) );
 
@@ -74,7 +64,7 @@ template<class T, class U> std::shared_ptr<T> reinterpret_pointer_cast(const std
 }
 
 //static_pointer_cast overload for std::unique_ptr
-template<class T, class U> std::unique_ptr<T> static_pointer_cast( std::unique_ptr<U> && r ) BOOST_SP_NOEXCEPT
+template<class T, class U> std::unique_ptr<T> static_pointer_cast( std::unique_ptr<U> && r ) noexcept
 {
     (void) static_cast< T* >( static_cast< U* >( 0 ) );
 
@@ -84,11 +74,11 @@ template<class T, class U> std::unique_ptr<T> static_pointer_cast( std::unique_p
 }
 
 //dynamic_pointer_cast overload for std::unique_ptr
-template<class T, class U> std::unique_ptr<T> dynamic_pointer_cast( std::unique_ptr<U> && r ) BOOST_SP_NOEXCEPT
+template<class T, class U> std::unique_ptr<T> dynamic_pointer_cast( std::unique_ptr<U> && r ) noexcept
 {
     (void) dynamic_cast< T* >( static_cast< U* >( 0 ) );
 
-    BOOST_STATIC_ASSERT_MSG( boost::has_virtual_destructor<T>::value, "The target of dynamic_pointer_cast must have a virtual destructor." );
+    static_assert( std::has_virtual_destructor<T>::value, "The target of dynamic_pointer_cast must have a virtual destructor." );
 
     T * p = dynamic_cast<T*>( r.get() );
     if( p ) r.release();
@@ -96,7 +86,7 @@ template<class T, class U> std::unique_ptr<T> dynamic_pointer_cast( std::unique_
 }
 
 //const_pointer_cast overload for std::unique_ptr
-template<class T, class U> std::unique_ptr<T> const_pointer_cast( std::unique_ptr<U> && r ) BOOST_SP_NOEXCEPT
+template<class T, class U> std::unique_ptr<T> const_pointer_cast( std::unique_ptr<U> && r ) noexcept
 {
     (void) const_cast< T* >( static_cast< U* >( 0 ) );
 
@@ -106,7 +96,7 @@ template<class T, class U> std::unique_ptr<T> const_pointer_cast( std::unique_pt
 }
 
 //reinterpret_pointer_cast overload for std::unique_ptr
-template<class T, class U> std::unique_ptr<T> reinterpret_pointer_cast( std::unique_ptr<U> && r ) BOOST_SP_NOEXCEPT
+template<class T, class U> std::unique_ptr<T> reinterpret_pointer_cast( std::unique_ptr<U> && r ) noexcept
 {
     (void) reinterpret_cast< T* >( static_cast< U* >( 0 ) );
 
@@ -117,6 +107,4 @@ template<class T, class U> std::unique_ptr<T> reinterpret_pointer_cast( std::uni
 
 } // namespace boost
 
-#endif // #if !defined( BOOST_NO_CXX11_SMART_PTR )
-
 #endif   //BOOST_POINTER_CAST_HPP

include/boost/smart_ptr/allocate_local_shared_array.hpp

@@ -10,6 +10,8 @@ Distributed under the Boost Software License, Version 1.0.
 
 #include <boost/smart_ptr/allocate_shared_array.hpp>
 #include <boost/smart_ptr/local_shared_ptr.hpp>
+#include <boost/smart_ptr/detail/sp_type_traits.hpp>
+#include <type_traits>
 
 namespace boost {
 namespace detail {
@@ -17,15 +19,16 @@ namespace detail {
 class BOOST_SYMBOL_VISIBLE lsp_array_base
     : public local_counted_base {
 public:
-    void set(sp_counted_base* base) BOOST_SP_NOEXCEPT {
+    void set(sp_counted_base* base) noexcept {
         count_ = shared_count(base);
     }
 
-    virtual void local_cb_destroy() BOOST_SP_NOEXCEPT {
+    void local_cb_destroy() noexcept override {
         shared_count().swap(count_);
     }
 
-    virtual shared_count local_cb_get_shared_count() const BOOST_SP_NOEXCEPT {
+    shared_count local_cb_get_shared_count() const
+        noexcept override {
         return count_;
     }
 
@@ -38,10 +41,10 @@ class lsp_array_state
     : public sp_array_state<A> {
 public:
     template<class U>
-    lsp_array_state(const U& other, std::size_t size) BOOST_SP_NOEXCEPT
+    lsp_array_state(const U& other, std::size_t size) noexcept
         : sp_array_state<A>(other, size) { }
 
-    lsp_array_base& base() BOOST_SP_NOEXCEPT {
+    lsp_array_base& base() noexcept {
         return base_;
     }
 
@@ -54,10 +57,10 @@ class lsp_size_array_state
     : public sp_size_array_state<A, N> {
 public:
     template<class U>
-    lsp_size_array_state(const U& other, std::size_t size) BOOST_SP_NOEXCEPT
+    lsp_size_array_state(const U& other, std::size_t size) noexcept
         : sp_size_array_state<A, N>(other, size) { }
 
-    lsp_array_base& base() BOOST_SP_NOEXCEPT {
+    lsp_array_base& base() noexcept {
         return base_;
     }
 
@@ -68,12 +71,12 @@ private:
 } /* detail */
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value,
     local_shared_ptr<T> >::type
 allocate_local_shared(const A& allocator, std::size_t count)
 {
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
+    typedef typename allocator_rebind<A, element>::type other;
     typedef detail::lsp_array_state<other> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
@@ -88,15 +91,15 @@ allocate_local_shared(const A& allocator, std::size_t count)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value,
     local_shared_ptr<T> >::type
 allocate_local_shared(const A& allocator)
 {
     enum {
-        count = extent<T>::value
+        count = std::extent<T>::value
     };
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
+    typedef typename allocator_rebind<A, element>::type other;
     typedef detail::lsp_size_array_state<other, count> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
@@ -111,13 +114,13 @@ allocate_local_shared(const A& allocator)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value,
     local_shared_ptr<T> >::type
 allocate_local_shared(const A& allocator, std::size_t count,
-    const typename remove_extent<T>::type& value)
+    const typename std::remove_extent<T>::type& value)
 {
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
+    typedef typename allocator_rebind<A, element>::type other;
     typedef detail::lsp_array_state<other> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
@@ -132,16 +135,16 @@ allocate_local_shared(const A& allocator, std::size_t count,
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value,
     local_shared_ptr<T> >::type
 allocate_local_shared(const A& allocator,
-    const typename remove_extent<T>::type& value)
+    const typename std::remove_extent<T>::type& value)
 {
     enum {
-        count = extent<T>::value
+        count = std::extent<T>::value
     };
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
+    typedef typename allocator_rebind<A, element>::type other;
     typedef detail::lsp_size_array_state<other, count> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
@@ -156,7 +159,7 @@ allocate_local_shared(const A& allocator,
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value,
     local_shared_ptr<T> >::type
 allocate_local_shared_noinit(const A& allocator, std::size_t count)
 {
@@ -165,7 +168,7 @@ allocate_local_shared_noinit(const A& allocator, std::size_t count)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value,
     local_shared_ptr<T> >::type
 allocate_local_shared_noinit(const A& allocator)
 {

include/boost/smart_ptr/allocate_shared_array.hpp

@@ -8,25 +8,20 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_ALLOCATE_SHARED_ARRAY_HPP
 #define BOOST_SMART_PTR_ALLOCATE_SHARED_ARRAY_HPP
 
+#include <boost/core/allocator_access.hpp>
 #include <boost/core/alloc_construct.hpp>
 #include <boost/core/first_scalar.hpp>
 #include <boost/smart_ptr/shared_ptr.hpp>
-#include <boost/type_traits/alignment_of.hpp>
-#include <boost/type_traits/enable_if.hpp>
-#include <boost/type_traits/extent.hpp>
-#include <boost/type_traits/is_bounded_array.hpp>
-#include <boost/type_traits/is_unbounded_array.hpp>
-#include <boost/type_traits/remove_cv.hpp>
-#include <boost/type_traits/remove_extent.hpp>
-#include <boost/type_traits/type_with_alignment.hpp>
+#include <boost/smart_ptr/detail/sp_type_traits.hpp>
+#include <type_traits>
 
 namespace boost {
 namespace detail {
 
 template<class T>
 struct sp_array_element {
-    typedef typename boost::remove_cv<typename
-        boost::remove_extent<T>::type>::type type;
+    typedef typename std::remove_cv<typename
+        std::remove_extent<T>::type>::type type;
 };
 
 template<class T>
@@ -57,21 +52,9 @@ struct sp_align_up {
     };
 };
 
-#if !defined(BOOST_NO_CXX11_ALLOCATOR)
-template<class A, class T>
-struct sp_bind_allocator {
-    typedef typename std::allocator_traits<A>::template rebind_alloc<T> type;
-};
-#else
-template<class A, class T>
-struct sp_bind_allocator {
-    typedef typename A::template rebind<T>::other type;
-};
-#endif
-
 template<class T>
-BOOST_CONSTEXPR inline std::size_t
-sp_objects(std::size_t size) BOOST_SP_NOEXCEPT
+constexpr inline std::size_t
+sp_objects(std::size_t size) noexcept
 {
     return (size + sizeof(T) - 1) / sizeof(T);
 }
@@ -82,15 +65,15 @@ public:
     typedef A type;
 
     template<class U>
-    sp_array_state(const U& _allocator, std::size_t _size) BOOST_SP_NOEXCEPT
+    sp_array_state(const U& _allocator, std::size_t _size) noexcept
         : allocator_(_allocator),
           size_(_size) { }
 
-    A& allocator() BOOST_SP_NOEXCEPT {
+    A& allocator() noexcept {
         return allocator_;
     }
 
-    std::size_t size() const BOOST_SP_NOEXCEPT {
+    std::size_t size() const noexcept {
         return size_;
     }
 
@@ -105,14 +88,14 @@ public:
     typedef A type;
 
     template<class U>
-    sp_size_array_state(const U& _allocator, std::size_t) BOOST_SP_NOEXCEPT
+    sp_size_array_state(const U& _allocator, std::size_t) noexcept
         : allocator_(_allocator) { }
 
-    A& allocator() BOOST_SP_NOEXCEPT {
+    A& allocator() noexcept {
         return allocator_;
     }
 
-    BOOST_CONSTEXPR std::size_t size() const BOOST_SP_NOEXCEPT {
+    constexpr std::size_t size() const noexcept {
         return N;
     }
 
@@ -123,8 +106,8 @@ private:
 template<class T, class U>
 struct sp_array_alignment {
     enum {
-        value = sp_max_size<boost::alignment_of<T>::value,
-            boost::alignment_of<U>::value>::value
+        value = sp_max_size<std::alignment_of<T>::value,
+            std::alignment_of<U>::value>::value
     };
 };
 
@@ -137,7 +120,7 @@ struct sp_array_offset {
 
 template<class U, class T>
 inline U*
-sp_array_start(T* base) BOOST_SP_NOEXCEPT
+sp_array_start(T* base) noexcept
 {
     enum {
         size = sp_array_offset<T, U>::value
@@ -153,12 +136,12 @@ class sp_array_creator {
         offset = sp_array_offset<T, element>::value
     };
 
-    typedef typename boost::type_with_alignment<sp_array_alignment<T,
+    typedef typename sp_type_with_alignment<sp_array_alignment<T,
         element>::value>::type type;
 
 public:
     template<class U>
-    sp_array_creator(const U& other, std::size_t size) BOOST_SP_NOEXCEPT
+    sp_array_creator(const U& other, std::size_t size) noexcept
         : other_(other),
           size_(sp_objects<type>(offset + sizeof(element) * size)) { }
 
@@ -171,7 +154,7 @@ public:
     }
 
 private:
-    typename sp_bind_allocator<A, type>::type other_;
+    typename boost::allocator_rebind<A, type>::type other_;
     std::size_t size_;
 };
 
@@ -202,32 +185,33 @@ public:
             boost::first_scalar(&list), count);
     }
 
-    T& state() BOOST_SP_NOEXCEPT {
+    T& state() noexcept {
         return state_;
     }
 
-    virtual void dispose() BOOST_SP_NOEXCEPT {
+    void dispose() noexcept override {
         boost::alloc_destroy_n(state_.allocator(),
             boost::first_scalar(sp_array_start<type>(this)),
             state_.size() * sp_array_count<type>::value);
     }
 
-    virtual void destroy() BOOST_SP_NOEXCEPT {
+    void destroy() noexcept override {
         sp_array_creator<allocator, sp_array_base> other(state_.allocator(),
             state_.size());
         this->~sp_array_base();
         other.destroy(this);
     }
 
-    virtual void* get_deleter(const sp_typeinfo_&) BOOST_SP_NOEXCEPT {
+    void* get_deleter(const sp_typeinfo_&) noexcept override {
         return 0;
     }
 
-    virtual void* get_local_deleter(const sp_typeinfo_&) BOOST_SP_NOEXCEPT {
+    void* get_local_deleter(const sp_typeinfo_&)
+        noexcept override {
         return 0;
     }
 
-    virtual void* get_untyped_deleter() BOOST_SP_NOEXCEPT {
+    void* get_untyped_deleter() noexcept override {
         return 0;
     }
 
@@ -249,11 +233,11 @@ public:
         }
     }
 
-    T* get() const BOOST_SP_NOEXCEPT {
+    T* get() const noexcept {
         return result_;
     }
 
-    void release() BOOST_SP_NOEXCEPT {
+    void release() noexcept {
         result_ = 0;
     }
 
@@ -268,11 +252,11 @@ private:
 } /* detail */
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value, shared_ptr<T> >::type
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value, shared_ptr<T> >::type
 allocate_shared(const A& allocator, std::size_t count)
 {
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
+    typedef typename allocator_rebind<A, element>::type other;
     typedef detail::sp_array_state<other> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
@@ -285,15 +269,15 @@ allocate_shared(const A& allocator, std::size_t count)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value, shared_ptr<T> >::type
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value, shared_ptr<T> >::type
 allocate_shared(const A& allocator)
 {
     enum {
-        count = extent<T>::value
+        count = std::extent<T>::value
     };
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
-    typedef detail::sp_size_array_state<other, extent<T>::value> state;
+    typedef typename allocator_rebind<A, element>::type other;
+    typedef detail::sp_size_array_state<other, std::extent<T>::value> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
     base* node = result.get();
@@ -305,12 +289,12 @@ allocate_shared(const A& allocator)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value, shared_ptr<T> >::type
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value, shared_ptr<T> >::type
 allocate_shared(const A& allocator, std::size_t count,
-    const typename remove_extent<T>::type& value)
+    const typename std::remove_extent<T>::type& value)
 {
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
+    typedef typename allocator_rebind<A, element>::type other;
     typedef detail::sp_array_state<other> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
@@ -323,16 +307,16 @@ allocate_shared(const A& allocator, std::size_t count,
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value, shared_ptr<T> >::type
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value, shared_ptr<T> >::type
 allocate_shared(const A& allocator,
-    const typename remove_extent<T>::type& value)
+    const typename std::remove_extent<T>::type& value)
 {
     enum {
-        count = extent<T>::value
+        count = std::extent<T>::value
     };
     typedef typename detail::sp_array_element<T>::type element;
-    typedef typename detail::sp_bind_allocator<A, element>::type other;
-    typedef detail::sp_size_array_state<other, extent<T>::value> state;
+    typedef typename allocator_rebind<A, element>::type other;
+    typedef detail::sp_size_array_state<other, std::extent<T>::value> state;
     typedef detail::sp_array_base<state> base;
     detail::sp_array_result<other, base> result(allocator, count);
     base* node = result.get();
@@ -344,14 +328,14 @@ allocate_shared(const A& allocator,
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value, shared_ptr<T> >::type
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value, shared_ptr<T> >::type
 allocate_shared_noinit(const A& allocator, std::size_t count)
 {
     return boost::allocate_shared<T>(boost::noinit_adapt(allocator), count);
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value, shared_ptr<T> >::type
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value, shared_ptr<T> >::type
 allocate_shared_noinit(const A& allocator)
 {
     return boost::allocate_shared<T>(boost::noinit_adapt(allocator));

include/boost/smart_ptr/allocate_unique.hpp

@@ -1,5 +1,5 @@
 /*
-Copyright 2019 Glen Joseph Fernandes
+Copyright 2019-2021 Glen Joseph Fernandes
 (glenjofe@gmail.com)
 
 Distributed under the Boost Software License, Version 1.0.
@@ -8,41 +8,35 @@ Distributed under the Boost Software License, Version 1.0.
 #ifndef BOOST_SMART_PTR_ALLOCATE_UNIQUE_HPP
 #define BOOST_SMART_PTR_ALLOCATE_UNIQUE_HPP
 
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
-#include <boost/smart_ptr/detail/sp_nullptr_t.hpp>
+#include <boost/core/allocator_access.hpp>
 #include <boost/core/alloc_construct.hpp>
 #include <boost/core/empty_value.hpp>
 #include <boost/core/first_scalar.hpp>
 #include <boost/core/noinit_adaptor.hpp>
 #include <boost/core/pointer_traits.hpp>
-#include <boost/type_traits/enable_if.hpp>
-#include <boost/type_traits/extent.hpp>
-#include <boost/type_traits/is_array.hpp>
-#include <boost/type_traits/is_bounded_array.hpp>
-#include <boost/type_traits/is_unbounded_array.hpp>
-#include <boost/type_traits/remove_cv.hpp>
-#include <boost/type_traits/remove_extent.hpp>
-#include <boost/type_traits/type_identity.hpp>
+#include <boost/smart_ptr/detail/sp_type_traits.hpp>
 #include <boost/config.hpp>
 #include <memory>
 #include <utility>
+#include <cstddef>
+#include <type_traits>
 
 namespace boost {
 namespace detail {
 
 template<class T>
 struct sp_alloc_size {
-    BOOST_STATIC_CONSTEXPR std::size_t value = 1;
+    static constexpr std::size_t value = 1;
 };
 
 template<class T>
 struct sp_alloc_size<T[]> {
-    BOOST_STATIC_CONSTEXPR std::size_t value = sp_alloc_size<T>::value;
+    static constexpr std::size_t value = sp_alloc_size<T>::value;
 };
 
 template<class T, std::size_t N>
 struct sp_alloc_size<T[N]> {
-    BOOST_STATIC_CONSTEXPR std::size_t value = N * sp_alloc_size<T>::value;
+    static constexpr std::size_t value = N * sp_alloc_size<T>::value;
 };
 
 template<class T>
@@ -57,78 +51,50 @@ struct sp_alloc_result<T[N]> {
 
 template<class T>
 struct sp_alloc_value {
-    typedef typename boost::remove_cv<typename
-        boost::remove_extent<T>::type>::type type;
+    typedef typename std::remove_cv<typename
+        std::remove_extent<T>::type>::type type;
 };
 
-#if !defined(BOOST_NO_CXX11_ALLOCATOR)
-template<class A, class T>
-struct sp_alloc_to {
-    typedef typename std::allocator_traits<A>::template rebind_alloc<T> type;
-};
-#else
-template<class A, class T>
-struct sp_alloc_to {
-    typedef typename A::template rebind<T>::other type;
-};
-#endif
-
-#if !defined(BOOST_NO_CXX11_ALLOCATOR)
-template<class A>
-struct sp_alloc_type {
-    typedef typename std::allocator_traits<A>::pointer type;
-};
-#else
-template<class A>
-struct sp_alloc_type {
-    typedef typename A::pointer type;
-};
-#endif
-
 template<class T, class P>
 class sp_alloc_ptr {
 public:
     typedef T element_type;
 
-    sp_alloc_ptr() BOOST_SP_NOEXCEPT
+    sp_alloc_ptr() noexcept
         : p_() { }
 
 #if defined(BOOST_MSVC) && BOOST_MSVC == 1600
-    sp_alloc_ptr(T* p) BOOST_SP_NOEXCEPT
-        : p_(const_cast<typename boost::remove_cv<T>::type*>(p)) { }
+    sp_alloc_ptr(T* p) noexcept
+        : p_(const_cast<typename std::remove_cv<T>::type*>(p)) { }
 #endif
 
-    sp_alloc_ptr(std::size_t, P p) BOOST_SP_NOEXCEPT
+    sp_alloc_ptr(std::size_t, P p) noexcept
         : p_(p) { }
 
-#if !defined(BOOST_NO_CXX11_NULLPTR)
-    sp_alloc_ptr(detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
+    sp_alloc_ptr(std::nullptr_t) noexcept
         : p_() { }
-#endif
 
     T& operator*() const {
         return *p_;
     }
 
-    T* operator->() const BOOST_SP_NOEXCEPT {
+    T* operator->() const noexcept {
         return boost::to_address(p_);
     }
 
-#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
-    explicit operator bool() const BOOST_SP_NOEXCEPT {
+    explicit operator bool() const noexcept {
         return !!p_;
     }
-#endif
 
-    bool operator!() const BOOST_SP_NOEXCEPT {
+    bool operator!() const noexcept {
         return !p_;
     }
 
-    P ptr() const BOOST_SP_NOEXCEPT {
+    P ptr() const noexcept {
         return p_;
     }
 
-    BOOST_STATIC_CONSTEXPR std::size_t size() BOOST_SP_NOEXCEPT {
+    static constexpr std::size_t size() noexcept {
         return 1;
     }
 
@@ -136,7 +102,7 @@ public:
     static sp_alloc_ptr pointer_to(T& v) {
         return sp_alloc_ptr(1,
             std::pointer_traits<P>::pointer_to(const_cast<typename
-                boost::remove_cv<T>::type&>(v)));
+                std::remove_cv<T>::type&>(v)));
     }
 #endif
 
@@ -149,37 +115,33 @@ class sp_alloc_ptr<T[], P> {
 public:
     typedef T element_type;
 
-    sp_alloc_ptr() BOOST_SP_NOEXCEPT
+    sp_alloc_ptr() noexcept
         : p_() { }
 
-    sp_alloc_ptr(std::size_t n, P p) BOOST_SP_NOEXCEPT
+    sp_alloc_ptr(std::size_t n, P p) noexcept
         : p_(p)
         , n_(n) { }
 
-#if !defined(BOOST_NO_CXX11_NULLPTR)
-    sp_alloc_ptr(detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
+    sp_alloc_ptr(std::nullptr_t) noexcept
         : p_() { }
-#endif
 
     T& operator[](std::size_t i) const {
         return p_[i];
     }
 
-#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
-    explicit operator bool() const BOOST_SP_NOEXCEPT {
+    explicit operator bool() const noexcept {
         return !!p_;
     }
-#endif
 
-    bool operator!() const BOOST_SP_NOEXCEPT {
+    bool operator!() const noexcept {
         return !p_;
     }
 
-    P ptr() const BOOST_SP_NOEXCEPT {
+    P ptr() const noexcept {
         return p_;
     }
 
-    std::size_t size() const BOOST_SP_NOEXCEPT {
+    std::size_t size() const noexcept {
         return n_;
     }
 
@@ -187,7 +149,7 @@ public:
     static sp_alloc_ptr pointer_to(T& v) {
         return sp_alloc_ptr(n_,
             std::pointer_traits<P>::pointer_to(const_cast<typename
-                boost::remove_cv<T>::type&>(v)));
+                std::remove_cv<T>::type&>(v)));
     }
 #endif
 
@@ -201,36 +163,32 @@ class sp_alloc_ptr<T[N], P> {
 public:
     typedef T element_type;
 
-    sp_alloc_ptr() BOOST_SP_NOEXCEPT
+    sp_alloc_ptr() noexcept
         : p_() { }
 
-    sp_alloc_ptr(std::size_t, P p) BOOST_SP_NOEXCEPT
+    sp_alloc_ptr(std::size_t, P p) noexcept
         : p_(p) { }
 
-#if !defined(BOOST_NO_CXX11_NULLPTR)
-    sp_alloc_ptr(detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
+    sp_alloc_ptr(std::nullptr_t) noexcept
         : p_() { }
-#endif
 
     T& operator[](std::size_t i) const {
         return p_[i];
     }
 
-#if !defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS)
-    explicit operator bool() const BOOST_SP_NOEXCEPT {
+    explicit operator bool() const noexcept {
         return !!p_;
     }
-#endif
 
-    bool operator!() const BOOST_SP_NOEXCEPT {
+    bool operator!() const noexcept {
         return !p_;
     }
 
-    P ptr() const BOOST_SP_NOEXCEPT {
+    P ptr() const noexcept {
         return p_;
     }
 
-    BOOST_STATIC_CONSTEXPR std::size_t size() BOOST_SP_NOEXCEPT {
+    static constexpr std::size_t size() noexcept {
         return N;
     }
 
@@ -238,7 +196,7 @@ public:
     static sp_alloc_ptr pointer_to(T& v) {
         return sp_alloc_ptr(N,
             std::pointer_traits<P>::pointer_to(const_cast<typename
-                boost::remove_cv<T>::type&>(v)));
+                std::remove_cv<T>::type&>(v)));
     }
 #endif
 
@@ -260,19 +218,18 @@ operator!=(const sp_alloc_ptr<T, P>& lhs, const sp_alloc_ptr<T, P>& rhs)
     return !(lhs == rhs);
 }
 
-#if !defined(BOOST_NO_CXX11_NULLPTR)
 template<class T, class P>
 inline bool
 operator==(const sp_alloc_ptr<T, P>& lhs,
-    detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
+    std::nullptr_t) noexcept
 {
     return !lhs.ptr();
 }
 
 template<class T, class P>
 inline bool
-operator==(detail::sp_nullptr_t,
-    const sp_alloc_ptr<T, P>& rhs) BOOST_SP_NOEXCEPT
+operator==(std::nullptr_t,
+    const sp_alloc_ptr<T, P>& rhs) noexcept
 {
     return !rhs.ptr();
 }
@@ -280,32 +237,31 @@ operator==(detail::sp_nullptr_t,
 template<class T, class P>
 inline bool
 operator!=(const sp_alloc_ptr<T, P>& lhs,
-    detail::sp_nullptr_t) BOOST_SP_NOEXCEPT
+    std::nullptr_t) noexcept
 {
     return !!lhs.ptr();
 }
 
 template<class T, class P>
 inline bool
-operator!=(detail::sp_nullptr_t,
-    const sp_alloc_ptr<T, P>& rhs) BOOST_SP_NOEXCEPT
+operator!=(std::nullptr_t,
+    const sp_alloc_ptr<T, P>& rhs) noexcept
 {
     return !!rhs.ptr();
 }
-#endif
 
 template<class A>
 inline void
-sp_alloc_clear(A& a, typename sp_alloc_type<A>::type p, std::size_t,
-    boost::false_type)
+sp_alloc_clear(A& a, typename boost::allocator_pointer<A>::type p, std::size_t,
+    std::false_type)
 {
     boost::alloc_destroy(a, boost::to_address(p));
 }
 
 template<class A>
 inline void
-sp_alloc_clear(A& a, typename sp_alloc_type<A>::type p, std::size_t n,
-    boost::true_type)
+sp_alloc_clear(A& a, typename boost::allocator_pointer<A>::type p,
+    std::size_t n, std::true_type)
 {
 #if defined(BOOST_MSVC) && BOOST_MSVC < 1800
     if (!p) {
@@ -320,36 +276,34 @@ sp_alloc_clear(A& a, typename sp_alloc_type<A>::type p, std::size_t n,
 
 template<class T, class A>
 class alloc_deleter
-    : empty_value<typename detail::sp_alloc_to<A,
+    : empty_value<typename allocator_rebind<A,
         typename detail::sp_alloc_value<T>::type>::type> {
-    typedef typename detail::sp_alloc_to<A,
+    typedef typename allocator_rebind<A,
         typename detail::sp_alloc_value<T>::type>::type allocator;
     typedef empty_value<allocator> base;
 
 public:
     typedef detail::sp_alloc_ptr<T,
-        typename detail::sp_alloc_type<allocator>::type> pointer;
+        typename allocator_pointer<allocator>::type> pointer;
 
-    explicit alloc_deleter(const allocator& a) BOOST_SP_NOEXCEPT
+    explicit alloc_deleter(const allocator& a) noexcept
         : base(empty_init_t(), a) { }
 
     void operator()(pointer p) {
-        detail::sp_alloc_clear(base::get(), p.ptr(), p.size(), is_array<T>());
+        detail::sp_alloc_clear(base::get(), p.ptr(), p.size(), std::is_array<T>());
         base::get().deallocate(p.ptr(), p.size());
     }
 };
 
-#if !defined(BOOST_NO_CXX11_TEMPLATE_ALIASES)
 template<class T, class A>
 using alloc_noinit_deleter = alloc_deleter<T, noinit_adaptor<A> >;
-#endif
 
 namespace detail {
 
 template<class T, class A>
 class sp_alloc_make {
 public:
-    typedef typename sp_alloc_to<A,
+    typedef typename boost::allocator_rebind<A,
         typename sp_alloc_value<T>::type>::type allocator;
 
 private:
@@ -369,22 +323,22 @@ public:
         }
     }
 
-    typename allocator::value_type* get() const BOOST_SP_NOEXCEPT {
+    typename allocator::value_type* get() const noexcept {
         return boost::to_address(p_);
     }
 
-    allocator& state() BOOST_SP_NOEXCEPT {
+    allocator& state() noexcept {
         return a_;
     }
 
-    type release() BOOST_SP_NOEXCEPT {
+    type release() noexcept {
         pointer p = p_;
         p_ = pointer();
         return type(typename deleter::pointer(n_, p), deleter(a_));
     }
 
 private:
-    typedef typename sp_alloc_type<allocator>::type pointer;
+    typedef typename boost::allocator_pointer<allocator>::type pointer;
 
     allocator a_;
     std::size_t n_;
@@ -394,7 +348,7 @@ private:
 } /* detail */
 
 template<class T, class A>
-inline typename enable_if_<!is_array<T>::value,
+inline typename std::enable_if<!std::is_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, A> > >::type
 allocate_unique(const A& alloc)
 {
@@ -403,9 +357,8 @@ allocate_unique(const A& alloc)
     return c.release();
 }
 
-#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
 template<class T, class A, class... Args>
-inline typename enable_if_<!is_array<T>::value,
+inline typename std::enable_if<!std::is_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, A> > >::type
 allocate_unique(const A& alloc, Args&&... args)
 {
@@ -413,12 +366,11 @@ allocate_unique(const A& alloc, Args&&... args)
     boost::alloc_construct(c.state(), c.get(), std::forward<Args>(args)...);
     return c.release();
 }
-#endif
 
 template<class T, class A>
-inline typename enable_if_<!is_array<T>::value,
+inline typename std::enable_if<!std::is_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, A> > >::type
-allocate_unique(const A& alloc, typename type_identity<T>::type&& value)
+allocate_unique(const A& alloc, typename detail::sp_type_identity<T>::type&& value)
 {
     detail::sp_alloc_make<T, A> c(alloc, 1);
     boost::alloc_construct(c.state(), c.get(), std::move(value));
@@ -426,7 +378,7 @@ allocate_unique(const A& alloc, typename type_identity<T>::type&& value)
 }
 
 template<class T, class A>
-inline typename enable_if_<!is_array<T>::value,
+inline typename std::enable_if<!std::is_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, noinit_adaptor<A> > > >::type
 allocate_unique_noinit(const A& alloc)
 {
@@ -434,7 +386,7 @@ allocate_unique_noinit(const A& alloc)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, A> > >::type
 allocate_unique(const A& alloc, std::size_t size)
 {
@@ -445,19 +397,19 @@ allocate_unique(const A& alloc, std::size_t size)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value,
     std::unique_ptr<typename detail::sp_alloc_result<T>::type,
         alloc_deleter<T, A> > >::type
 allocate_unique(const A& alloc)
 {
-    detail::sp_alloc_make<T, A> c(alloc, extent<T>::value);
+    detail::sp_alloc_make<T, A> c(alloc, std::extent<T>::value);
     boost::alloc_construct_n(c.state(), boost::first_scalar(c.get()),
         detail::sp_alloc_size<T>::value);
     return c.release();
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, noinit_adaptor<A> > > >::type
 allocate_unique_noinit(const A& alloc, std::size_t size)
 {
@@ -465,7 +417,7 @@ allocate_unique_noinit(const A& alloc, std::size_t size)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value,
     std::unique_ptr<typename detail::sp_alloc_result<T>::type,
         alloc_deleter<T, noinit_adaptor<A> > > >::type
 allocate_unique_noinit(const A& alloc)
@@ -474,32 +426,41 @@ allocate_unique_noinit(const A& alloc)
 }
 
 template<class T, class A>
-inline typename enable_if_<is_unbounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_unbounded_array<T>::value,
     std::unique_ptr<T, alloc_deleter<T, A> > >::type
 allocate_unique(const A& alloc, std::size_t size,
-    const typename remove_extent<T>::type& value)
+    const typename std::remove_extent<T>::type& value)
 {
     detail::sp_alloc_make<T, A> c(alloc, size);
     boost::alloc_construct_n(c.state(), boost::first_scalar(c.get()),
         size * detail::sp_alloc_size<T>::value, boost::first_scalar(&value),
-        detail::sp_alloc_size<typename remove_extent<T>::type>::value);
+        detail::sp_alloc_size<typename std::remove_extent<T>::type>::value);
     return c.release();
 }
 
 template<class T, class A>
-inline typename enable_if_<is_bounded_array<T>::value,
+inline typename std::enable_if<detail::sp_is_bounded_array<T>::value,
     std::unique_ptr<typename detail::sp_alloc_result<T>::type,
         alloc_deleter<T, A> > >::type
 allocate_unique(const A& alloc,
-    const typename remove_extent<T>::type& value)
+    const typename std::remove_extent<T>::type& value)
 {
-    detail::sp_alloc_make<T, A> c(alloc, extent<T>::value);
+    detail::sp_alloc_make<T, A> c(alloc, std::extent<T>::value);
     boost::alloc_construct_n(c.state(), boost::first_scalar(c.get()),
         detail::sp_alloc_size<T>::value, boost::first_scalar(&value),
-        detail::sp_alloc_size<typename remove_extent<T>::type>::value);
+        detail::sp_alloc_size<typename std::remove_extent<T>::type>::value);
     return c.release();
 }
 
+template<class T, class U, class A>
+inline typename allocator_pointer<typename allocator_rebind<A,
+    typename detail::sp_alloc_value<T>::type>::type>::type
+get_allocator_pointer(const std::unique_ptr<T,
+    alloc_deleter<U, A> >& p) noexcept
+{
+    return p.get().ptr();
+}
+
 } /* boost */
 
 #endif

include/boost/smart_ptr/atomic_shared_ptr.hpp

@@ -33,7 +33,7 @@ private:
 
 private:
 
-    bool compare_exchange( shared_ptr<T>& v, shared_ptr<T> w ) BOOST_SP_NOEXCEPT
+    bool compare_exchange( shared_ptr<T>& v, shared_ptr<T> w ) noexcept
     {
         l_.lock();
 
@@ -57,39 +57,16 @@ private:
 
 public:
 
-#if !defined( BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX ) && !defined( BOOST_NO_CXX11_CONSTEXPR )
-
-    constexpr atomic_shared_ptr() BOOST_SP_NOEXCEPT: l_ BOOST_DETAIL_SPINLOCK_INIT
+    constexpr atomic_shared_ptr() noexcept: l_ BOOST_DETAIL_SPINLOCK_INIT
     {
     }
 
-    atomic_shared_ptr( shared_ptr<T> p ) BOOST_SP_NOEXCEPT
+    atomic_shared_ptr( shared_ptr<T> p ) noexcept
         : p_( std::move( p ) ), l_ BOOST_DETAIL_SPINLOCK_INIT
     {
     }
 
-#else
-
-    atomic_shared_ptr() BOOST_SP_NOEXCEPT
-    {
-        boost::detail::spinlock init = BOOST_DETAIL_SPINLOCK_INIT;
-        std::memcpy( &l_, &init, sizeof( init ) );
-    }
-
-    atomic_shared_ptr( shared_ptr<T> p ) BOOST_SP_NOEXCEPT
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-        : p_( std::move( p ) )
-#else
-        : p_( p )
-#endif
-    {
-        boost::detail::spinlock init = BOOST_DETAIL_SPINLOCK_INIT;
-        std::memcpy( &l_, &init, sizeof( init ) );
-    }
-
-#endif
-
-    atomic_shared_ptr& operator=( shared_ptr<T> r ) BOOST_SP_NOEXCEPT
+    atomic_shared_ptr& operator=( shared_ptr<T> r ) noexcept
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
         p_.swap( r );
@@ -97,140 +74,120 @@ public:
         return *this;
     }
 
-    BOOST_CONSTEXPR bool is_lock_free() const BOOST_SP_NOEXCEPT
+    constexpr bool is_lock_free() const noexcept
     {
         return false;
     }
 
-    shared_ptr<T> load() const BOOST_SP_NOEXCEPT
+    shared_ptr<T> load() const noexcept
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
         return p_;
     }
 
-    template<class M> shared_ptr<T> load( M ) const BOOST_SP_NOEXCEPT
+    template<class M> shared_ptr<T> load( M ) const noexcept
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
         return p_;
     }
 
-    operator shared_ptr<T>() const BOOST_SP_NOEXCEPT
+    operator shared_ptr<T>() const noexcept
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
         return p_;
     }
 
-    void store( shared_ptr<T> r ) BOOST_SP_NOEXCEPT
+    void store( shared_ptr<T> r ) noexcept
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
         p_.swap( r );
     }
 
-    template<class M> void store( shared_ptr<T> r, M ) BOOST_SP_NOEXCEPT
+    template<class M> void store( shared_ptr<T> r, M ) noexcept
     {
         boost::detail::spinlock::scoped_lock lock( l_ );
         p_.swap( r );
     }
 
-    shared_ptr<T> exchange( shared_ptr<T> r ) BOOST_SP_NOEXCEPT
+    shared_ptr<T> exchange( shared_ptr<T> r ) noexcept
     {
         {
             boost::detail::spinlock::scoped_lock lock( l_ );
             p_.swap( r );
         }
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
         return std::move( r );
-
-#else
-
-        return r;
-
-#endif
     }
 
-    template<class M> shared_ptr<T> exchange( shared_ptr<T> r, M ) BOOST_SP_NOEXCEPT
+    template<class M> shared_ptr<T> exchange( shared_ptr<T> r, M ) noexcept
     {
         {
             boost::detail::spinlock::scoped_lock lock( l_ );
             p_.swap( r );
         }
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
         return std::move( r );
-
-#else
-
-        return r;
-
-#endif
     }
 
-    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, const shared_ptr<T>& w, M, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, const shared_ptr<T>& w, M, M ) noexcept
     {
         return compare_exchange( v, w );
     }
 
-    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, const shared_ptr<T>& w, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, const shared_ptr<T>& w, M ) noexcept
     {
         return compare_exchange( v, w );
     }
 
-    bool compare_exchange_weak( shared_ptr<T>& v, const shared_ptr<T>& w ) BOOST_SP_NOEXCEPT
+    bool compare_exchange_weak( shared_ptr<T>& v, const shared_ptr<T>& w ) noexcept
     {
         return compare_exchange( v, w );
     }
 
-    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, const shared_ptr<T>& w, M, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, const shared_ptr<T>& w, M, M ) noexcept
     {
         return compare_exchange( v, w );
     }
 
-    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, const shared_ptr<T>& w, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, const shared_ptr<T>& w, M ) noexcept
     {
         return compare_exchange( v, w );
     }
 
-    bool compare_exchange_strong( shared_ptr<T>& v, const shared_ptr<T>& w ) BOOST_SP_NOEXCEPT
+    bool compare_exchange_strong( shared_ptr<T>& v, const shared_ptr<T>& w ) noexcept
     {
         return compare_exchange( v, w );
     }
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
-    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, shared_ptr<T>&& w, M, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, shared_ptr<T>&& w, M, M ) noexcept
     {
         return compare_exchange( v, std::move( w ) );
     }
 
-    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, shared_ptr<T>&& w, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_weak( shared_ptr<T>& v, shared_ptr<T>&& w, M ) noexcept
     {
         return compare_exchange( v, std::move( w ) );
     }
 
-    bool compare_exchange_weak( shared_ptr<T>& v, shared_ptr<T>&& w ) BOOST_SP_NOEXCEPT
+    bool compare_exchange_weak( shared_ptr<T>& v, shared_ptr<T>&& w ) noexcept
     {
         return compare_exchange( v, std::move( w ) );
     }
 
-    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, shared_ptr<T>&& w, M, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, shared_ptr<T>&& w, M, M ) noexcept
     {
         return compare_exchange( v, std::move( w ) );
     }
 
-    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, shared_ptr<T>&& w, M ) BOOST_SP_NOEXCEPT
+    template<class M> bool compare_exchange_strong( shared_ptr<T>& v, shared_ptr<T>&& w, M ) noexcept
     {
         return compare_exchange( v, std::move( w ) );
     }
 
-    bool compare_exchange_strong( shared_ptr<T>& v, shared_ptr<T>&& w ) BOOST_SP_NOEXCEPT
+    bool compare_exchange_strong( shared_ptr<T>& v, shared_ptr<T>&& w ) noexcept
     {
         return compare_exchange( v, std::move( w ) );
     }
-
-#endif
 };
 
 } // namespace boost

include/boost/smart_ptr/bad_weak_ptr.hpp

@@ -20,23 +20,9 @@
 #include <boost/config.hpp>
 #include <exception>
 
-#ifdef __BORLANDC__
-# pragma warn -8026     // Functions with excep. spec. are not expanded inline
-#endif
-
 namespace boost
 {
 
-// The standard library that comes with Borland C++ 5.5.1, 5.6.4
-// defines std::exception and its members as having C calling
-// convention (-pc). When the definition of bad_weak_ptr
-// is compiled with -ps, the compiler issues an error.
-// Hence, the temporary #pragma option -pc below.
-
-#if defined(__BORLANDC__) && __BORLANDC__ <= 0x564
-# pragma option push -pc
-#endif
-
 #if defined(BOOST_CLANG)
 // Intel C++ on Mac defines __clang__ but doesn't support the pragma
 # pragma clang diagnostic push
@@ -47,7 +33,7 @@ class bad_weak_ptr: public std::exception
 {
 public:
 
-    virtual char const * what() const BOOST_NOEXCEPT_OR_NOTHROW
+    char const * what() const noexcept override
     {
         return "tr1::bad_weak_ptr";
     }
@@ -57,14 +43,6 @@ public:
 # pragma clang diagnostic pop
 #endif
 
-#if defined(__BORLANDC__) && __BORLANDC__ <= 0x564
-# pragma option pop
-#endif
-
 } // namespace boost
 
-#ifdef __BORLANDC__
-# pragma warn .8026     // Functions with excep. spec. are not expanded inline
-#endif
-
 #endif  // #ifndef BOOST_SMART_PTR_BAD_WEAK_PTR_HPP_INCLUDED

include/boost/smart_ptr/detail/atomic_count.hpp

@@ -43,8 +43,10 @@
 //    Memory Ordering: acquire/release
 //
 
+#include <boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp>
+#include <boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp>
+#include <boost/smart_ptr/detail/deprecated_macros.hpp>
 #include <boost/config.hpp>
-#include <boost/smart_ptr/detail/sp_has_sync.hpp>
 
 #if defined( BOOST_AC_DISABLE_THREADS )
 # include <boost/smart_ptr/detail/atomic_count_nt.hpp>
@@ -73,15 +75,18 @@
 #elif defined( BOOST_DISABLE_THREADS ) && !defined( BOOST_SP_ENABLE_THREADS ) && !defined( BOOST_DISABLE_WIN32 )
 # include <boost/smart_ptr/detail/atomic_count_nt.hpp>
 
+#elif defined( BOOST_SP_HAS_GCC_INTRINSICS )
+# include <boost/smart_ptr/detail/atomic_count_gcc_atomic.hpp>
+
 #elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
 # include <boost/smart_ptr/detail/atomic_count_std_atomic.hpp>
 
+#elif defined( BOOST_SP_HAS_SYNC_INTRINSICS )
+# include <boost/smart_ptr/detail/atomic_count_sync.hpp>
+
 #elif defined( __GNUC__ ) && ( defined( __i386__ ) || defined( __x86_64__ ) ) && !defined( __PATHSCALE__ )
 # include <boost/smart_ptr/detail/atomic_count_gcc_x86.hpp>
 
-#elif defined( BOOST_SP_HAS_SYNC )
-# include <boost/smart_ptr/detail/atomic_count_sync.hpp>
-
 #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)
 # include <boost/smart_ptr/detail/atomic_count_win32.hpp>
 

include/boost/smart_ptr/detail/atomic_count_gcc.hpp

@@ -23,6 +23,13 @@
 # include <bits/atomicity.h>
 #endif
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using libstdc++ atomic_count")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/atomic_count_gcc_atomic.hpp

@@ -0,0 +1,63 @@
+#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_ATOMIC_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_ATOMIC_HPP_INCLUDED
+
+// boost/detail/atomic_count_gcc_atomic.hpp
+//
+// atomic_count for g++ 4.7+
+//
+// Copyright 2007, 2020 Peter Dimov
+//
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/cstdint.hpp>
+
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using __atomic atomic_count")
+
+#endif
+
+namespace boost
+{
+
+namespace detail
+{
+
+class atomic_count
+{
+public:
+
+    explicit atomic_count( long v ): value_( static_cast< boost::int_least32_t >( v ) )
+    {
+    }
+
+    long operator++()
+    {
+        return __atomic_add_fetch( &value_, +1, __ATOMIC_ACQ_REL );
+    }
+
+    long operator--()
+    {
+        return __atomic_add_fetch( &value_, -1, __ATOMIC_ACQ_REL );
+    }
+
+    operator long() const
+    {
+        return __atomic_load_n( &value_, __ATOMIC_ACQUIRE );
+    }
+
+private:
+
+    atomic_count(atomic_count const &);
+    atomic_count & operator=(atomic_count const &);
+
+    boost::int_least32_t value_;
+};
+
+} // namespace detail
+
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_GCC_ATOMIC_HPP_INCLUDED

include/boost/smart_ptr/detail/atomic_count_gcc_x86.hpp

@@ -13,6 +13,17 @@
 //  http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
+
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/x86 atomic_count")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/atomic_count_nt.hpp

@@ -15,6 +15,13 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 //
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using single-threaded, non-atomic atomic_count")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/atomic_count_pt.hpp

@@ -14,6 +14,13 @@
 #include <boost/assert.hpp>
 #include <pthread.h>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using pthread_mutex atomic_count")
+
+#endif
+
 //
 //  The generic pthread_mutex-based implementation sometimes leads to
 //    inefficiencies. Example: a class with two atomic_count members

include/boost/smart_ptr/detail/atomic_count_solaris.hpp

@@ -1,59 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SOLARIS_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SOLARIS_HPP_INCLUDED
-
-//
-//  boost/detail/atomic_count_solaris.hpp
-//   based on: boost/detail/atomic_count_win32.hpp
-//
-//  Copyright (c) 2001-2005 Peter Dimov
-//  Copyright (c) 2006 Michael van der Westhuizen
-//
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#include <atomic.h>
-
-namespace boost
-{
-
-namespace detail
-{
-
-class atomic_count
-{
-public:
-
-    explicit atomic_count( uint32_t v ): value_( v )
-    {
-    }
-
-    long operator++()
-    {
-        return atomic_inc_32_nv( &value_ );
-    }
-
-    long operator--()
-    {
-        return atomic_dec_32_nv( &value_ );
-    }
-
-    operator uint32_t() const
-    {
-        return static_cast<uint32_t const volatile &>( value_ );
-    }
-
-private:
-
-    atomic_count( atomic_count const & );
-    atomic_count & operator=( atomic_count const & );
-
-    uint32_t value_;
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_ATOMIC_COUNT_SOLARIS_HPP_INCLUDED

include/boost/smart_ptr/detail/atomic_count_spin.hpp

@@ -13,6 +13,13 @@
 
 #include <boost/smart_ptr/detail/spinlock_pool.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using spinlock-based atomic_count")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/atomic_count_std_atomic.hpp

@@ -16,6 +16,13 @@
 #include <atomic>
 #include <cstdint>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using std::atomic atomic_count")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/atomic_count_sync.hpp

@@ -15,10 +15,19 @@
 //  http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include <boost/cstdint.hpp>
+
 #if defined( __ia64__ ) && defined( __INTEL_COMPILER )
 # include <ia64intrin.h>
 #endif
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using __sync atomic_count")
+
+#endif
+
 namespace boost
 {
 
@@ -29,7 +38,9 @@ class atomic_count
 {
 public:
 
-    explicit atomic_count( long v ) : value_( v ) {}
+    explicit atomic_count( long v ): value_( static_cast< boost::int_least32_t >( v ) )
+    {
+    }
 
     long operator++()
     {
@@ -51,7 +62,7 @@ private:
     atomic_count(atomic_count const &);
     atomic_count & operator=(atomic_count const &);
 
-    mutable long value_;
+    mutable boost::int_least32_t value_;
 };
 
 } // namespace detail

include/boost/smart_ptr/detail/atomic_count_win32.hpp

@@ -19,6 +19,13 @@
 
 #include <boost/smart_ptr/detail/sp_interlocked.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using Win32 atomic_count")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/deprecated_macros.hpp

@@ -0,0 +1,52 @@
+#ifndef BOOST_SMART_PTR_DETAIL_DEPRECATED_MACROS_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_DEPRECATED_MACROS_HPP_INCLUDED
+
+// Copyright 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/config/pragma_message.hpp>
+
+#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_SP_ENABLE_DEBUG_HOOKS has been deprecated in 1.87 and support for it was removed in 1.90.")
+
+#endif
+
+#if defined(BOOST_SP_USE_STD_ALLOCATOR)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_SP_USE_STD_ALLOCATOR has been deprecated in 1.87 and support for it was removed in 1.90.")
+
+#endif
+
+#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_SP_USE_QUICK_ALLOCATOR has been deprecated in 1.87 and support for it was removed in 1.90.")
+
+#endif
+
+#if defined(BOOST_AC_USE_SPINLOCK)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_AC_USE_SPINLOCK has been deprecated in 1.87 and support for it will be removed.")
+
+#endif
+
+#if defined(BOOST_AC_USE_PTHREADS)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_AC_USE_PTHREADS has been deprecated in 1.87 and support for it will be removed.")
+
+#endif
+
+#if defined(BOOST_SP_USE_SPINLOCK)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_SP_USE_SPINLOCK has been deprecated in 1.87 and support for it will be removed.")
+
+#endif
+
+#if defined(BOOST_SP_USE_PTHREADS)
+
+BOOST_PRAGMA_MESSAGE("The macro BOOST_SP_USE_PTHREADS has been deprecated in 1.87 and support for it will be removed.")
+
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_DEPRECATED_MACROS_HPP_INCLUDED

include/boost/smart_ptr/detail/lightweight_thread.hpp

@@ -0,0 +1,164 @@
+#ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//  boost/detail/lightweight_thread.hpp
+//
+//  Copyright (c) 2002 Peter Dimov and Multi Media Ltd.
+//  Copyright (c) 2008, 2018 Peter Dimov
+//
+//  Distributed under the Boost Software License, Version 1.0.
+//  See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt
+//
+//
+//  typedef /*...*/ lw_thread_t; // as pthread_t
+//  template<class F> int lw_thread_create( lw_thread_t & th, F f );
+//  void lw_thread_join( lw_thread_t th );
+
+
+#include <boost/config.hpp>
+#include <memory>
+#include <cerrno>
+
+#if defined( BOOST_HAS_PTHREADS )
+
+#include <pthread.h>
+
+namespace boost
+{
+namespace detail
+{
+
+typedef ::pthread_t lw_thread_t;
+
+inline int lw_thread_create_( lw_thread_t* thread, const pthread_attr_t* attr, void* (*start_routine)( void* ), void* arg )
+{
+    return ::pthread_create( thread, attr, start_routine, arg );
+}
+
+inline void lw_thread_join( lw_thread_t th )
+{
+    ::pthread_join( th, 0 );
+}
+
+} // namespace detail
+} // namespace boost
+
+#else // defined( BOOST_HAS_PTHREADS )
+
+#include <windows.h>
+#include <process.h>
+
+namespace boost
+{
+namespace detail
+{
+
+typedef HANDLE lw_thread_t;
+
+inline int lw_thread_create_( lw_thread_t * thread, void const *, unsigned (__stdcall * start_routine) (void*), void* arg )
+{
+    HANDLE h = (HANDLE)_beginthreadex( 0, 0, start_routine, arg, 0, 0 );
+
+    if( h != 0 )
+    {
+        *thread = h;
+        return 0;
+    }
+    else
+    {
+        return EAGAIN;
+    }
+}
+
+inline void lw_thread_join( lw_thread_t thread )
+{
+    ::WaitForSingleObject( thread, INFINITE );
+    ::CloseHandle( thread );
+}
+
+} // namespace detail
+} // namespace boost
+
+#endif // defined( BOOST_HAS_PTHREADS )
+
+
+namespace boost
+{
+namespace detail
+{
+
+class lw_abstract_thread
+{
+public:
+
+    virtual ~lw_abstract_thread() {}
+    virtual void run() = 0;
+};
+
+#if defined( BOOST_HAS_PTHREADS )
+
+extern "C" inline void * lw_thread_routine( void * pv )
+{
+    std::unique_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
+
+    pt->run();
+
+    return 0;
+}
+
+#else
+
+inline unsigned __stdcall lw_thread_routine( void * pv )
+{
+    std::unique_ptr<lw_abstract_thread> pt( static_cast<lw_abstract_thread *>( pv ) );
+
+    pt->run();
+
+    return 0;
+}
+
+#endif
+
+template<class F> class lw_thread_impl: public lw_abstract_thread
+{
+public:
+
+    explicit lw_thread_impl( F f ): f_( f )
+    {
+    }
+
+    void run()
+    {
+        f_();
+    }
+
+private:
+
+    F f_;
+};
+
+template<class F> int lw_thread_create( lw_thread_t & th, F f )
+{
+    std::unique_ptr<lw_abstract_thread> p( new lw_thread_impl<F>( f ) );
+
+    int r = lw_thread_create_( &th, 0, lw_thread_routine, p.get() );
+
+    if( r == 0 )
+    {
+        p.release();
+    }
+
+    return r;
+}
+
+} // namespace detail
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_LIGHTWEIGHT_THREAD_HPP_INCLUDED

include/boost/smart_ptr/detail/local_counted_base.hpp

@@ -42,23 +42,23 @@ private:
 
 public:
 
-    BOOST_CONSTEXPR local_counted_base() BOOST_SP_NOEXCEPT: local_use_count_( initial_ )
+    constexpr local_counted_base() noexcept: local_use_count_( initial_ )
     {
     }
 
-    BOOST_CONSTEXPR local_counted_base( local_counted_base const & ) BOOST_SP_NOEXCEPT: local_use_count_( initial_ )
+    constexpr local_counted_base( local_counted_base const & ) noexcept: local_use_count_( initial_ )
     {
     }
 
-    virtual ~local_counted_base() /*BOOST_SP_NOEXCEPT*/
+    virtual ~local_counted_base() /*noexcept*/
     {
     }
 
-    virtual void local_cb_destroy() BOOST_SP_NOEXCEPT = 0;
+    virtual void local_cb_destroy() noexcept = 0;
 
-    virtual boost::detail::shared_count local_cb_get_shared_count() const BOOST_SP_NOEXCEPT = 0;
+    virtual boost::detail::shared_count local_cb_get_shared_count() const noexcept = 0;
 
-    void add_ref() BOOST_SP_NOEXCEPT
+    void add_ref() noexcept
     {
 #if !defined(__NVCC__)
 #if defined( __has_builtin )
@@ -73,7 +73,7 @@ public:
         local_use_count_ = static_cast<count_type>( local_use_count_ + 1 );
     }
 
-    void release() BOOST_SP_NOEXCEPT
+    void release() noexcept
     {
         local_use_count_ = static_cast<count_type>( local_use_count_ - 1 );
 
@@ -83,7 +83,7 @@ public:
         }
     }
 
-    long local_use_count() const BOOST_SP_NOEXCEPT
+    long local_use_count() const noexcept
     {
         return local_use_count_;
     }
@@ -101,24 +101,20 @@ private:
 
 public:
 
-    explicit local_counted_impl( shared_count const& pn ) BOOST_SP_NOEXCEPT: pn_( pn )
+    explicit local_counted_impl( shared_count const& pn ) noexcept: pn_( pn )
     {
     }
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
-    explicit local_counted_impl( shared_count && pn ) BOOST_SP_NOEXCEPT: pn_( std::move(pn) )
+    explicit local_counted_impl( shared_count && pn ) noexcept: pn_( std::move(pn) )
     {
     }
 
-#endif
-
-    virtual void local_cb_destroy() BOOST_SP_NOEXCEPT
+    void local_cb_destroy() noexcept override
     {
         delete this;
     }
 
-    virtual boost::detail::shared_count local_cb_get_shared_count() const BOOST_SP_NOEXCEPT
+    boost::detail::shared_count local_cb_get_shared_count() const noexcept override
     {
         return pn_;
     }
@@ -130,12 +126,12 @@ public:
 
     shared_count pn_;
 
-    virtual void local_cb_destroy() BOOST_SP_NOEXCEPT
+    void local_cb_destroy() noexcept override
     {
         shared_count().swap( pn_ );
     }
 
-    virtual boost::detail::shared_count local_cb_get_shared_count() const BOOST_SP_NOEXCEPT
+    boost::detail::shared_count local_cb_get_shared_count() const noexcept override
     {
         return pn_;
     }

include/boost/smart_ptr/detail/local_sp_deleter.hpp

@@ -38,48 +38,40 @@ public:
     {
     }
 
-    explicit local_sp_deleter( D const& d ) BOOST_SP_NOEXCEPT: d_( d )
+    explicit local_sp_deleter( D const& d ) noexcept: d_( d )
     {
     }
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
-    explicit local_sp_deleter( D&& d ) BOOST_SP_NOEXCEPT: d_( std::move(d) )
+    explicit local_sp_deleter( D&& d ) noexcept: d_( std::move(d) )
     {
     }
 
-#endif
-
-    D& deleter() BOOST_SP_NOEXCEPT
+    D& deleter() noexcept
     {
         return d_;
     }
 
-    template<class Y> void operator()( Y* p ) BOOST_SP_NOEXCEPT
+    template<class Y> void operator()( Y* p ) noexcept
     {
         d_( p );
     }
 
-#if !defined( BOOST_NO_CXX11_NULLPTR )
-
-    void operator()( boost::detail::sp_nullptr_t p ) BOOST_SP_NOEXCEPT
+    void operator()( std::nullptr_t p ) noexcept
     {
         d_( p );
     }
-
-#endif
 };
 
 template<> class local_sp_deleter<void>
 {
 };
 
-template<class D> D * get_local_deleter( local_sp_deleter<D> * p ) BOOST_SP_NOEXCEPT
+template<class D> D * get_local_deleter( local_sp_deleter<D> * p ) noexcept
 {
     return &p->deleter();
 }
 
-inline void * get_local_deleter( local_sp_deleter<void> * /*p*/ ) BOOST_SP_NOEXCEPT
+inline void * get_local_deleter( local_sp_deleter<void> * /*p*/ ) noexcept
 {
     return 0;
 }

include/boost/smart_ptr/detail/operator_bool.hpp

@@ -1,64 +0,0 @@
-//  This header intentionally has no include guards.
-//
-//  Copyright (c) 2001-2009, 2012 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-
-#if !defined( BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS ) && !defined( BOOST_NO_CXX11_NULLPTR )\
-    && !(defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x5130))
-
-    explicit operator bool () const BOOST_SP_NOEXCEPT
-    {
-        return px != 0;
-    }
-
-#elif ( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, < 0x570) ) || defined(__CINT__)
-
-    operator bool () const BOOST_SP_NOEXCEPT
-    {
-        return px != 0;
-    }
-
-#elif defined( _MANAGED )
-
-    static void unspecified_bool( this_type*** )
-    {
-    }
-
-    typedef void (*unspecified_bool_type)( this_type*** );
-
-    operator unspecified_bool_type() const BOOST_SP_NOEXCEPT
-    {
-        return px == 0? 0: unspecified_bool;
-    }
-
-#elif \
-    ( defined(__MWERKS__) && BOOST_WORKAROUND(__MWERKS__, < 0x3200) ) || \
-    ( defined(__GNUC__) && (__GNUC__ * 100 + __GNUC_MINOR__ < 304) ) || \
-    ( defined(__SUNPRO_CC) && BOOST_WORKAROUND(__SUNPRO_CC, <= 0x590) )
-
-    typedef element_type * (this_type::*unspecified_bool_type)() const;
-
-    operator unspecified_bool_type() const BOOST_SP_NOEXCEPT
-    {
-        return px == 0? 0: &this_type::get;
-    }
-
-#else
-
-    typedef element_type * this_type::*unspecified_bool_type;
-
-    operator unspecified_bool_type() const BOOST_SP_NOEXCEPT
-    {
-        return px == 0? 0: &this_type::px;
-    }
-
-#endif
-
-    // operator! is redundant, but some compilers need it
-    bool operator! () const BOOST_SP_NOEXCEPT
-    {
-        return px == 0;
-    }

include/boost/smart_ptr/detail/quick_allocator.hpp

@@ -1,199 +1,63 @@
 #ifndef BOOST_SMART_PTR_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
+// Copyright 2003 David Abrahams
+// Copyright 2003, 2025 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
 
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
+#include <boost/config/header_deprecated.hpp>
+#include <memory>
+#include <cstddef>
 
-//
-//  detail/quick_allocator.hpp
-//
-//  Copyright (c) 2003 David Abrahams
-//  Copyright (c) 2003 Peter Dimov
-//
-// Distributed under the Boost Software License, Version 1.0. (See
-// accompanying file LICENSE_1_0.txt or copy at
-// http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#include <boost/config.hpp>
-
-#include <boost/smart_ptr/detail/lightweight_mutex.hpp>
-#include <boost/type_traits/type_with_alignment.hpp>
-#include <boost/type_traits/alignment_of.hpp>
-
-#include <new>              // ::operator new, ::operator delete
-#include <cstddef>          // std::size_t
+BOOST_HEADER_DEPRECATED("std::allocator or std::pmr::synchronized_pool_resource")
 
 namespace boost
 {
-
 namespace detail
 {
 
-template<unsigned size, unsigned align_> union freeblock
+template<class T> struct quick_allocator
 {
-    typedef typename boost::type_with_alignment<align_>::type aligner_type;
-    aligner_type aligner;
-    char bytes[size];
-    freeblock * next;
-};
-
-template<unsigned size, unsigned align_> struct allocator_impl
-{
-    typedef freeblock<size, align_> block;
-
-    // It may seem odd to use such small pages.
-    //
-    // However, on a typical Windows implementation that uses
-    // the OS allocator, "normal size" pages interact with the
-    // "ordinary" operator new, slowing it down dramatically.
-    //
-    // 512 byte pages are handled by the small object allocator,
-    // and don't interfere with ::new.
-    //
-    // The other alternative is to use much bigger pages (1M.)
-    //
-    // It is surprisingly easy to hit pathological behavior by
-    // varying the page size. g++ 2.96 on Red Hat Linux 7.2,
-    // for example, passionately dislikes 496. 512 seems OK.
-
-#if defined(BOOST_QA_PAGE_SIZE)
-
-    enum { items_per_page = BOOST_QA_PAGE_SIZE / size };
-
-#else
-
-    enum { items_per_page = 512 / size }; // 1048560 / size
-
-#endif
-
-#ifdef BOOST_HAS_THREADS
-
-    static lightweight_mutex & mutex()
+    static void* alloc()
     {
-        static freeblock< sizeof( lightweight_mutex ), boost::alignment_of< lightweight_mutex >::value > fbm;
-        static lightweight_mutex * pm = new( &fbm ) lightweight_mutex;
-        return *pm;
+        return std::allocator<T>().allocate( 1 );
     }
 
-    static lightweight_mutex * mutex_init;
-
-#endif
-
-    static block * free;
-    static block * page;
-    static unsigned last;
-
-    static inline void * alloc()
+    static void* alloc( std::size_t n )
     {
-#ifdef BOOST_HAS_THREADS
-        lightweight_mutex::scoped_lock lock( mutex() );
-#endif
-        if(block * x = free)
+        if( n != sizeof(T) ) // class-specific delete called for a derived object
         {
-            free = x->next;
-            return x;
+            return ::operator new( n );
         }
         else
         {
-            if(last == items_per_page)
-            {
-                // "Listen to me carefully: there is no memory leak"
-                // -- Scott Meyers, Eff C++ 2nd Ed Item 10
-                page = ::new block[items_per_page];
-                last = 0;
-            }
-
-            return &page[last++];
+            return alloc();
         }
     }
 
-    static inline void * alloc(std::size_t n)
+    static void dealloc( void* p )
     {
-        if(n != size) // class-specific new called for a derived object
+        if( p != 0 ) // 18.4.1.1/13
         {
-            return ::operator new(n);
+            std::allocator<T>().deallocate( static_cast<T*>( p ), 1 );
+        }
+    }
+
+    static void dealloc( void* p, std::size_t n )
+    {
+        if( n != sizeof(T) ) // class-specific delete called for a derived object
+        {
+            ::operator delete( p );
         }
         else
         {
-#ifdef BOOST_HAS_THREADS
-            lightweight_mutex::scoped_lock lock( mutex() );
-#endif
-            if(block * x = free)
-            {
-                free = x->next;
-                return x;
-            }
-            else
-            {
-                if(last == items_per_page)
-                {
-                    page = ::new block[items_per_page];
-                    last = 0;
-                }
-
-                return &page[last++];
-            }
+            dealloc( p );
         }
     }
-
-    static inline void dealloc(void * pv)
-    {
-        if(pv != 0) // 18.4.1.1/13
-        {
-#ifdef BOOST_HAS_THREADS
-            lightweight_mutex::scoped_lock lock( mutex() );
-#endif
-            block * pb = static_cast<block *>(pv);
-            pb->next = free;
-            free = pb;
-        }
-    }
-
-    static inline void dealloc(void * pv, std::size_t n)
-    {
-        if(n != size) // class-specific delete called for a derived object
-        {
-            ::operator delete(pv);
-        }
-        else if(pv != 0) // 18.4.1.1/13
-        {
-#ifdef BOOST_HAS_THREADS
-            lightweight_mutex::scoped_lock lock( mutex() );
-#endif
-            block * pb = static_cast<block *>(pv);
-            pb->next = free;
-            free = pb;
-        }
-    }
-};
-
-#ifdef BOOST_HAS_THREADS
-
-template<unsigned size, unsigned align_>
-  lightweight_mutex * allocator_impl<size, align_>::mutex_init = &allocator_impl<size, align_>::mutex();
-
-#endif
-
-template<unsigned size, unsigned align_>
-  freeblock<size, align_> * allocator_impl<size, align_>::free = 0;
-
-template<unsigned size, unsigned align_>
-  freeblock<size, align_> * allocator_impl<size, align_>::page = 0;
-
-template<unsigned size, unsigned align_>
-  unsigned allocator_impl<size, align_>::last = allocator_impl<size, align_>::items_per_page;
-
-template<class T>
-struct quick_allocator: public allocator_impl< sizeof(T), boost::alignment_of<T>::value >
-{
 };
 
 } // namespace detail
-
 } // namespace boost
 
 #endif  // #ifndef BOOST_SMART_PTR_DETAIL_QUICK_ALLOCATOR_HPP_INCLUDED

include/boost/smart_ptr/detail/shared_count.hpp

@@ -18,32 +18,25 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
-#ifdef __BORLANDC__
-# pragma warn -8027     // Functions containing try are not expanded inline
-#endif
-
-#include <boost/config.hpp>
-#include <boost/checked_delete.hpp>
-#include <boost/throw_exception.hpp>
 #include <boost/smart_ptr/bad_weak_ptr.hpp>
 #include <boost/smart_ptr/detail/sp_counted_base.hpp>
 #include <boost/smart_ptr/detail/sp_counted_impl.hpp>
 #include <boost/smart_ptr/detail/sp_disable_deprecated.hpp>
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
+#include <boost/smart_ptr/detail/deprecated_macros.hpp>
+#include <boost/core/checked_delete.hpp>
+#include <boost/throw_exception.hpp>
+#include <boost/core/addressof.hpp>
+#include <boost/config.hpp>
 #include <boost/config/workaround.hpp>
-// In order to avoid circular dependencies with Boost.TR1
-// we make sure that our include of <memory> doesn't try to
-// pull in the TR1 headers: that's why we use this header 
-// rather than including <memory> directly:
-#include <boost/config/no_tr1/memory.hpp>  // std::auto_ptr
-#include <functional>       // std::less
+#include <boost/cstdint.hpp>
+#include <memory>            // std::auto_ptr
+#include <functional>        // std::less
+#include <cstddef>           // std::size_t
 
 #ifdef BOOST_NO_EXCEPTIONS
 # include <new>              // std::bad_alloc
 #endif
 
-#include <boost/core/addressof.hpp>
-
 #if defined( BOOST_SP_DISABLE_DEPRECATED )
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wdeprecated-declarations"
@@ -62,13 +55,6 @@ template< class T, class D > class unique_ptr;
 namespace detail
 {
 
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-
-int const shared_count_id = 0x2C35F101;
-int const   weak_count_id = 0x298C38A4;
-
-#endif
-
 struct sp_nothrow_tag {};
 
 template< class D > struct sp_inplace_tag
@@ -103,6 +89,14 @@ template< class D > struct sp_convert_reference< D& >
     typedef sp_reference_wrapper< D > type;
 };
 
+template<class T> std::size_t sp_hash_pointer( T* p ) noexcept
+{
+    boost::uintptr_t v = reinterpret_cast<boost::uintptr_t>( p );
+
+    // match boost::hash<T*>
+    return static_cast<std::size_t>( v + ( v >> 3 ) );
+}
+
 class weak_count;
 
 class shared_count
@@ -111,32 +105,19 @@ private:
 
     sp_counted_base * pi_;
 
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-    int id_;
-#endif
-
     friend class weak_count;
 
 public:
 
-    BOOST_CONSTEXPR shared_count() BOOST_SP_NOEXCEPT: pi_(0)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
+    constexpr shared_count() noexcept: pi_(0)
     {
     }
 
-    BOOST_CONSTEXPR explicit shared_count( sp_counted_base * pi ) BOOST_SP_NOEXCEPT: pi_( pi )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
+    constexpr explicit shared_count( sp_counted_base * pi ) noexcept: pi_( pi )
     {
     }
 
     template<class Y> explicit shared_count( Y * p ): pi_( 0 )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
 #ifndef BOOST_NO_EXCEPTIONS
 
@@ -163,18 +144,8 @@ public:
 #endif
     }
 
-#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 )
-    template<class Y, class D> shared_count( Y * p, D d ): pi_(0)
-#else
     template<class P, class D> shared_count( P p, D d ): pi_(0)
-#endif
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
-#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, <= 1200 )
-        typedef Y* P;
-#endif
 #ifndef BOOST_NO_EXCEPTIONS
 
         try
@@ -200,12 +171,7 @@ public:
 #endif
     }
 
-#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
-
     template< class P, class D > shared_count( P p, sp_inplace_tag<D> ): pi_( 0 )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
 #ifndef BOOST_NO_EXCEPTIONS
 
@@ -232,25 +198,12 @@ public:
 #endif // #ifndef BOOST_NO_EXCEPTIONS
     }
 
-#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
-
     template<class P, class D, class A> shared_count( P p, D d, A a ): pi_( 0 )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
         typedef sp_counted_impl_pda<P, D, A> impl_type;
 
-#if !defined( BOOST_NO_CXX11_ALLOCATOR )
-
         typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2;
 
-#else
-
-        typedef typename A::template rebind< impl_type >::other A2;
-
-#endif
-
         A2 a2( a );
 
 #ifndef BOOST_NO_EXCEPTIONS
@@ -289,25 +242,12 @@ public:
 #endif
     }
 
-#if !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
-
     template< class P, class D, class A > shared_count( P p, sp_inplace_tag< D >, A a ): pi_( 0 )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
         typedef sp_counted_impl_pda< P, D, A > impl_type;
 
-#if !defined( BOOST_NO_CXX11_ALLOCATOR )
-
         typedef typename std::allocator_traits<A>::template rebind_alloc< impl_type > A2;
 
-#else
-
-        typedef typename A::template rebind< impl_type >::other A2;
-
-#endif
-
         A2 a2( a );
 
 #ifndef BOOST_NO_EXCEPTIONS
@@ -346,17 +286,12 @@ public:
 #endif // #ifndef BOOST_NO_EXCEPTIONS
     }
 
-#endif // !defined( BOOST_NO_FUNCTION_TEMPLATE_ORDERING )
-
 #ifndef BOOST_NO_AUTO_PTR
 
     // auto_ptr<Y> is special cased to provide the strong guarantee
 
     template<class Y>
     explicit shared_count( std::auto_ptr<Y> & r ): pi_( new sp_counted_impl_p<Y>( r.get() ) )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
 #ifdef BOOST_NO_EXCEPTIONS
 
@@ -372,17 +307,12 @@ public:
 
 #endif 
 
-#if !defined( BOOST_NO_CXX11_SMART_PTR )
-
     template<class Y, class D>
     explicit shared_count( std::unique_ptr<Y, D> & r ): pi_( 0 )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
         typedef typename sp_convert_reference<D>::type D2;
 
-        D2 d2( r.get_deleter() );
+        D2 d2( static_cast<D&&>( r.get_deleter() ) );
         pi_ = new sp_counted_impl_pd< typename std::unique_ptr<Y, D>::pointer, D2 >( r.get(), d2 );
 
 #ifdef BOOST_NO_EXCEPTIONS
@@ -397,13 +327,8 @@ public:
         r.release();
     }
 
-#endif
-
     template<class Y, class D>
     explicit shared_count( boost::movelib::unique_ptr<Y, D> & r ): pi_( 0 )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
     {
         typedef typename sp_convert_reference<D>::type D2;
 
@@ -422,38 +347,25 @@ public:
         r.release();
     }
 
-    ~shared_count() /*BOOST_SP_NOEXCEPT*/
+    ~shared_count() /*noexcept*/
     {
         if( pi_ != 0 ) pi_->release();
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        id_ = 0;
-#endif
     }
 
-    shared_count(shared_count const & r) BOOST_SP_NOEXCEPT: pi_(r.pi_)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
+    shared_count(shared_count const & r) noexcept: pi_(r.pi_)
     {
         if( pi_ != 0 ) pi_->add_ref_copy();
     }
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
-    shared_count(shared_count && r) BOOST_SP_NOEXCEPT: pi_(r.pi_)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
+    shared_count(shared_count && r) noexcept: pi_(r.pi_)
     {
         r.pi_ = 0;
     }
 
-#endif
-
     explicit shared_count(weak_count const & r); // throws bad_weak_ptr when r.use_count() == 0
-    shared_count( weak_count const & r, sp_nothrow_tag ) BOOST_SP_NOEXCEPT; // constructs an empty *this when r.use_count() == 0
+    shared_count( weak_count const & r, sp_nothrow_tag ) noexcept; // constructs an empty *this when r.use_count() == 0
 
-    shared_count & operator= (shared_count const & r) BOOST_SP_NOEXCEPT
+    shared_count & operator= (shared_count const & r) noexcept
     {
         sp_counted_base * tmp = r.pi_;
 
@@ -467,52 +379,61 @@ public:
         return *this;
     }
 
-    void swap(shared_count & r) BOOST_SP_NOEXCEPT
+    void swap(shared_count & r) noexcept
     {
         sp_counted_base * tmp = r.pi_;
         r.pi_ = pi_;
         pi_ = tmp;
     }
 
-    long use_count() const BOOST_SP_NOEXCEPT
+    long use_count() const noexcept
     {
         return pi_ != 0? pi_->use_count(): 0;
     }
 
-    bool unique() const BOOST_SP_NOEXCEPT
+    bool unique() const noexcept
     {
         return use_count() == 1;
     }
 
-    bool empty() const BOOST_SP_NOEXCEPT
+    bool empty() const noexcept
     {
         return pi_ == 0;
     }
 
-    friend inline bool operator==(shared_count const & a, shared_count const & b) BOOST_SP_NOEXCEPT
+    bool operator==( shared_count const & r ) const noexcept
     {
-        return a.pi_ == b.pi_;
+        return pi_ == r.pi_;
     }
 
-    friend inline bool operator<(shared_count const & a, shared_count const & b) BOOST_SP_NOEXCEPT
+    bool operator==( weak_count const & r ) const noexcept;
+
+    bool operator<( shared_count const & r ) const noexcept
     {
-        return std::less<sp_counted_base *>()( a.pi_, b.pi_ );
+        return std::less<sp_counted_base *>()( pi_, r.pi_ );
     }
 
-    void * get_deleter( sp_typeinfo_ const & ti ) const BOOST_SP_NOEXCEPT
+    bool operator<( weak_count const & r ) const noexcept;
+
+    void * get_deleter( sp_typeinfo_ const & ti ) const noexcept
     {
         return pi_? pi_->get_deleter( ti ): 0;
     }
 
-    void * get_local_deleter( sp_typeinfo_ const & ti ) const BOOST_SP_NOEXCEPT
+    void * get_local_deleter( sp_typeinfo_ const & ti ) const noexcept
     {
         return pi_? pi_->get_local_deleter( ti ): 0;
     }
 
-    void * get_untyped_deleter() const BOOST_SP_NOEXCEPT
+    void * get_untyped_deleter() const noexcept
     {
         return pi_? pi_->get_untyped_deleter(): 0;
     }
+
+    std::size_t hash_value() const noexcept
+    {
+        return sp_hash_pointer( pi_ );
+    }
 };
 
 
@@ -522,60 +443,37 @@ private:
 
     sp_counted_base * pi_;
 
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-    int id_;
-#endif
-
     friend class shared_count;
 
 public:
 
-    BOOST_CONSTEXPR weak_count() BOOST_SP_NOEXCEPT: pi_(0)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(weak_count_id)
-#endif
+    constexpr weak_count() noexcept: pi_(0)
     {
     }
 
-    weak_count(shared_count const & r) BOOST_SP_NOEXCEPT: pi_(r.pi_)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(weak_count_id)
-#endif
+    weak_count(shared_count const & r) noexcept: pi_(r.pi_)
     {
         if(pi_ != 0) pi_->weak_add_ref();
     }
 
-    weak_count(weak_count const & r) BOOST_SP_NOEXCEPT: pi_(r.pi_)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(weak_count_id)
-#endif
+    weak_count(weak_count const & r) noexcept: pi_(r.pi_)
     {
         if(pi_ != 0) pi_->weak_add_ref();
     }
 
 // Move support
 
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
-    weak_count(weak_count && r) BOOST_SP_NOEXCEPT: pi_(r.pi_)
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(weak_count_id)
-#endif
+    weak_count(weak_count && r) noexcept: pi_(r.pi_)
     {
         r.pi_ = 0;
     }
 
-#endif
-
-    ~weak_count() /*BOOST_SP_NOEXCEPT*/
+    ~weak_count() /*noexcept*/
     {
         if(pi_ != 0) pi_->weak_release();
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        id_ = 0;
-#endif
     }
 
-    weak_count & operator= (shared_count const & r) BOOST_SP_NOEXCEPT
+    weak_count & operator= (shared_count const & r) noexcept
     {
         sp_counted_base * tmp = r.pi_;
 
@@ -589,7 +487,7 @@ public:
         return *this;
     }
 
-    weak_count & operator= (weak_count const & r) BOOST_SP_NOEXCEPT
+    weak_count & operator= (weak_count const & r) noexcept
     {
         sp_counted_base * tmp = r.pi_;
 
@@ -603,38 +501,50 @@ public:
         return *this;
     }
 
-    void swap(weak_count & r) BOOST_SP_NOEXCEPT
+    void swap(weak_count & r) noexcept
     {
         sp_counted_base * tmp = r.pi_;
         r.pi_ = pi_;
         pi_ = tmp;
     }
 
-    long use_count() const BOOST_SP_NOEXCEPT
+    long use_count() const noexcept
     {
         return pi_ != 0? pi_->use_count(): 0;
     }
 
-    bool empty() const BOOST_SP_NOEXCEPT
+    bool empty() const noexcept
     {
         return pi_ == 0;
     }
 
-    friend inline bool operator==(weak_count const & a, weak_count const & b) BOOST_SP_NOEXCEPT
+    bool operator==( weak_count const & r ) const noexcept
     {
-        return a.pi_ == b.pi_;
+        return pi_ == r.pi_;
     }
 
-    friend inline bool operator<(weak_count const & a, weak_count const & b) BOOST_SP_NOEXCEPT
+    bool operator==( shared_count const & r ) const noexcept
     {
-        return std::less<sp_counted_base *>()(a.pi_, b.pi_);
+        return pi_ == r.pi_;
+    }
+
+    bool operator<( weak_count const & r ) const noexcept
+    {
+        return std::less<sp_counted_base *>()( pi_, r.pi_ );
+    }
+
+    bool operator<( shared_count const & r ) const noexcept
+    {
+        return std::less<sp_counted_base *>()( pi_, r.pi_ );
+    }
+
+    std::size_t hash_value() const noexcept
+    {
+        return sp_hash_pointer( pi_ );
     }
 };
 
 inline shared_count::shared_count( weak_count const & r ): pi_( r.pi_ )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
 {
     if( pi_ == 0 || !pi_->add_ref_lock() )
     {
@@ -642,10 +552,7 @@ inline shared_count::shared_count( weak_count const & r ): pi_( r.pi_ )
     }
 }
 
-inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ) BOOST_SP_NOEXCEPT: pi_( r.pi_ )
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        , id_(shared_count_id)
-#endif
+inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ) noexcept: pi_( r.pi_ )
 {
     if( pi_ != 0 && !pi_->add_ref_lock() )
     {
@@ -653,6 +560,16 @@ inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ) BOOST_
     }
 }
 
+inline bool shared_count::operator==( weak_count const & r ) const noexcept
+{
+    return pi_ == r.pi_;
+}
+
+inline bool shared_count::operator<( weak_count const & r ) const noexcept
+{
+    return std::less<sp_counted_base *>()( pi_, r.pi_ );
+}
+
 } // namespace detail
 
 } // namespace boost
@@ -661,8 +578,4 @@ inline shared_count::shared_count( weak_count const & r, sp_nothrow_tag ) BOOST_
 #pragma GCC diagnostic pop
 #endif
 
-#ifdef __BORLANDC__
-# pragma warn .8027     // Functions containing try are not expanded inline
-#endif
-
 #endif  // #ifndef BOOST_SMART_PTR_DETAIL_SHARED_COUNT_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_convertible.hpp

@@ -18,20 +18,6 @@
 #include <boost/config.hpp>
 #include <cstddef>
 
-#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( BOOST_NO_SFINAE )
-# define BOOST_SP_NO_SP_CONVERTIBLE
-#endif
-
-#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ < 303 )
-# define BOOST_SP_NO_SP_CONVERTIBLE
-#endif
-
-#if !defined( BOOST_SP_NO_SP_CONVERTIBLE ) && defined( __BORLANDC__ ) && ( __BORLANDC__ < 0x630 )
-# define BOOST_SP_NO_SP_CONVERTIBLE
-#endif
-
-#if !defined( BOOST_SP_NO_SP_CONVERTIBLE )
-
 namespace boost
 {
 
@@ -87,6 +73,4 @@ template< class Y, class T > struct sp_enable_if_convertible: public sp_enable_i
 
 } // namespace boost
 
-#endif // !defined( BOOST_SP_NO_SP_CONVERTIBLE )
-
 #endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_CONVERTIBLE_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base.hpp

@@ -17,14 +17,10 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include <boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp>
+#include <boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp>
+#include <boost/smart_ptr/detail/deprecated_macros.hpp>
 #include <boost/config.hpp>
-#include <boost/smart_ptr/detail/sp_has_sync.hpp>
-
-#if !defined( __c2__ ) && defined( __clang__ ) && defined( __has_extension )
-# if __has_extension( __c_atomic__ )
-#   define BOOST_SP_HAS_CLANG_C11_ATOMICS
-# endif
-#endif
 
 #if defined( BOOST_SP_DISABLE_THREADS )
 # include <boost/smart_ptr/detail/sp_counted_base_nt.hpp>
@@ -41,18 +37,24 @@
 #elif defined( BOOST_DISABLE_THREADS ) && !defined( BOOST_SP_ENABLE_THREADS ) && !defined( BOOST_DISABLE_WIN32 )
 # include <boost/smart_ptr/detail/sp_counted_base_nt.hpp>
 
-#elif defined( BOOST_SP_HAS_CLANG_C11_ATOMICS )
-# include <boost/smart_ptr/detail/sp_counted_base_clang.hpp>
+#elif defined( BOOST_SP_HAS_GCC_INTRINSICS )
+# include <boost/smart_ptr/detail/sp_counted_base_gcc_atomic.hpp>
 
 #elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
 # include <boost/smart_ptr/detail/sp_counted_base_std_atomic.hpp>
 
-#elif defined( __SNC__ )
-# include <boost/smart_ptr/detail/sp_counted_base_snc_ps3.hpp>
+#elif defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
+# include <boost/smart_ptr/detail/sp_counted_base_sync.hpp>
 
 #elif defined( __GNUC__ ) && ( defined( __i386__ ) || defined( __x86_64__ ) ) && !defined(__PATHSCALE__)
 # include <boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp>
 
+#elif defined( BOOST_SP_HAS_SYNC_INTRINSICS )
+# include <boost/smart_ptr/detail/sp_counted_base_sync.hpp>
+
+#elif defined( __SNC__ )
+# include <boost/smart_ptr/detail/sp_counted_base_snc_ps3.hpp>
+
 #elif defined(__HP_aCC) && defined(__ia64)
 # include <boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp>
 
@@ -71,9 +73,6 @@
 #elif defined( __GNUC__ ) && ( defined( __mips__ ) || defined( _mips ) ) && !defined(__PATHSCALE__) && !defined( __mips16 )
 # include <boost/smart_ptr/detail/sp_counted_base_gcc_mips.hpp>
 
-#elif defined( BOOST_SP_HAS_SYNC )
-# include <boost/smart_ptr/detail/sp_counted_base_sync.hpp>
-
 #elif defined(__GNUC__) && ( defined( __sparcv9 ) || ( defined( __sparcv8 ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 402 ) ) )
 # include <boost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp>
 
@@ -91,6 +90,4 @@
 
 #endif
 
-#undef BOOST_SP_HAS_CLANG_C11_ATOMICS
-
 #endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base_acc_ia64.hpp

@@ -16,9 +16,19 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 #include <machine/sys/inline.h>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using HP aCC++/HP-UX/IA64 sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_aix.hpp

@@ -25,6 +25,13 @@
 #include <builtins.h>
 #include <sys/atomic_op.h>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using AIX sp_counted_base")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_clang.hpp

@@ -1,152 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CLANG_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CLANG_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//  detail/sp_counted_base_clang.hpp - __c11 clang intrinsics
-//
-//  Copyright (c) 2007, 2013, 2015 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-
-#include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
-#include <boost/config.hpp>
-#include <boost/cstdint.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-typedef _Atomic( boost::int_least32_t ) atomic_int_least32_t;
-
-inline void atomic_increment( atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
-{
-    __c11_atomic_fetch_add( pw, 1, __ATOMIC_RELAXED );
-}
-
-inline boost::int_least32_t atomic_decrement( atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
-{
-    return __c11_atomic_fetch_sub( pw, 1, __ATOMIC_ACQ_REL );
-}
-
-inline boost::int_least32_t atomic_conditional_increment( atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
-{
-    // long r = *pw;
-    // if( r != 0 ) ++*pw;
-    // return r;
-
-    boost::int_least32_t r = __c11_atomic_load( pw, __ATOMIC_RELAXED );
-
-    for( ;; )
-    {
-        if( r == 0 )
-        {
-            return r;
-        }
-
-        if( __c11_atomic_compare_exchange_weak( pw, &r, r + 1, __ATOMIC_RELAXED, __ATOMIC_RELAXED ) )
-        {
-            return r;
-        }
-    }    
-}
-
-#if defined(__clang__)
-# pragma clang diagnostic push
-# pragma clang diagnostic ignored "-Wweak-vtables"
-#endif
-
-class BOOST_SYMBOL_VISIBLE sp_counted_base
-{
-private:
-
-    sp_counted_base( sp_counted_base const & );
-    sp_counted_base & operator= ( sp_counted_base const & );
-
-    atomic_int_least32_t use_count_;    // #shared
-    atomic_int_least32_t weak_count_;   // #weak + (#shared != 0)
-
-public:
-
-    sp_counted_base() BOOST_SP_NOEXCEPT
-    {
-        __c11_atomic_init( &use_count_, 1 );
-        __c11_atomic_init( &weak_count_, 1 );
-    }
-
-    virtual ~sp_counted_base() /*BOOST_SP_NOEXCEPT*/
-    {
-    }
-
-    // dispose() is called when use_count_ drops to zero, to release
-    // the resources managed by *this.
-
-    virtual void dispose() BOOST_SP_NOEXCEPT = 0; // nothrow
-
-    // destroy() is called when weak_count_ drops to zero.
-
-    virtual void destroy() BOOST_SP_NOEXCEPT // nothrow
-    {
-        delete this;
-    }
-
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT = 0;
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT = 0;
-    virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT = 0;
-
-    void add_ref_copy() BOOST_SP_NOEXCEPT
-    {
-        atomic_increment( &use_count_ );
-    }
-
-    bool add_ref_lock() BOOST_SP_NOEXCEPT // true on success
-    {
-        return atomic_conditional_increment( &use_count_ ) != 0;
-    }
-
-    void release() BOOST_SP_NOEXCEPT
-    {
-        if( atomic_decrement( &use_count_ ) == 1 )
-        {
-            dispose();
-            weak_release();
-        }
-    }
-
-    void weak_add_ref() BOOST_SP_NOEXCEPT
-    {
-        atomic_increment( &weak_count_ );
-    }
-
-    void weak_release() BOOST_SP_NOEXCEPT
-    {
-        if( atomic_decrement( &weak_count_ ) == 1 )
-        {
-            destroy();
-        }
-    }
-
-    long use_count() const BOOST_SP_NOEXCEPT
-    {
-        return __c11_atomic_load( const_cast< atomic_int_least32_t* >( &use_count_ ), __ATOMIC_ACQUIRE );
-    }
-};
-
-#if defined(__clang__)
-# pragma clang diagnostic pop
-#endif
-
-} // namespace detail
-
-} // namespace boost
-
-#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CLANG_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base_cw_ppc.hpp

@@ -25,8 +25,16 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using CodeWarrior/PowerPC sp_counted_base")
+
+#endif
+
 namespace boost
 {
 
@@ -54,7 +62,11 @@ inline long atomic_decrement( register long * pw )
 
     asm
     {
+#if defined(__PPCZen__) || defined(__PPCe500__) || defined(__PPCe500v2__)
+    msync
+#else
     sync
+#endif
 
 loop:
 

include/boost/smart_ptr/detail/sp_counted_base_cw_x86.hpp

@@ -1,161 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_X86_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_X86_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-//  detail/sp_counted_base_cw_x86.hpp - CodeWarrion on 486+
-//
-//  Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
-//  Copyright 2004-2005 Peter Dimov
-//  Copyright 2005 Rene Rivera
-//
-//  Distributed under the Boost Software License, Version 1.0. (See
-//  accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-//
-//
-//  Lock-free algorithm by Alexander Terekhov
-//
-//  Thanks to Ben Hitchings for the #weak + (#shared != 0)
-//  formulation
-//
-
-#include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
-#include <boost/config.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline int atomic_exchange_and_add( int * pw, int dv )
-{
-    // int r = *pw;
-    // *pw += dv;
-    // return r;
-
-    asm
-    {
-        mov esi, [pw]
-        mov eax, dv
-        lock xadd dword ptr [esi], eax
-    }
-}
-
-inline void atomic_increment( int * pw )
-{
-    //atomic_exchange_and_add( pw, 1 );
-
-    asm
-    {
-        mov esi, [pw]
-        lock inc dword ptr [esi]
-    }
-}
-
-inline int atomic_conditional_increment( int * pw )
-{
-    // int rv = *pw;
-    // if( rv != 0 ) ++*pw;
-    // return rv;
-
-    asm
-    {
-        mov esi, [pw]
-        mov eax, dword ptr [esi]
-    L0:
-        test eax, eax
-        je L1
-        mov ebx, eax
-        inc ebx
-        lock cmpxchg dword ptr [esi], ebx
-        jne L0
-    L1:
-    }
-}
-
-class BOOST_SYMBOL_VISIBLE sp_counted_base
-{
-private:
-
-    sp_counted_base( sp_counted_base const & );
-    sp_counted_base & operator= ( sp_counted_base const & );
-
-    int use_count_;        // #shared
-    int weak_count_;       // #weak + (#shared != 0)
-
-public:
-
-    sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
-    {
-    }
-
-    virtual ~sp_counted_base() // nothrow
-    {
-    }
-
-    // dispose() is called when use_count_ drops to zero, to release
-    // the resources managed by *this.
-
-    virtual void dispose() = 0; // nothrow
-
-    // destroy() is called when weak_count_ drops to zero.
-
-    virtual void destroy() // nothrow
-    {
-        delete this;
-    }
-
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) = 0;
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) = 0;
-    virtual void * get_untyped_deleter() = 0;
-
-    void add_ref_copy()
-    {
-        atomic_increment( &use_count_ );
-    }
-
-    bool add_ref_lock() // true on success
-    {
-        return atomic_conditional_increment( &use_count_ ) != 0;
-    }
-
-    void release() // nothrow
-    {
-        if( atomic_exchange_and_add( &use_count_, -1 ) == 1 )
-        {
-            dispose();
-            weak_release();
-        }
-    }
-
-    void weak_add_ref() // nothrow
-    {
-        atomic_increment( &weak_count_ );
-    }
-
-    void weak_release() // nothrow
-    {
-        if( atomic_exchange_and_add( &weak_count_, -1 ) == 1 )
-        {
-            destroy();
-        }
-    }
-
-    long use_count() const // nothrow
-    {
-        return static_cast<int const volatile &>( use_count_ );
-    }
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_CW_X86_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base_gcc_atomic.hpp

@@ -0,0 +1,148 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_ATOMIC_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_GCC_ATOMIC_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+// detail/sp_counted_base_gcc_atomic.hpp - g++ 4.7+ __atomic intrinsics
+//
+// Copyright 2007, 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/config.hpp>
+#include <boost/cstdint.hpp>
+
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using __atomic sp_counted_base")
+
+#endif
+
+namespace boost
+{
+
+namespace detail
+{
+
+inline void atomic_increment( boost::uint_least32_t * pw )
+{
+    __atomic_fetch_add( pw, 1, __ATOMIC_RELAXED );
+}
+
+inline boost::uint_least32_t atomic_decrement( boost::uint_least32_t * pw )
+{
+    return __atomic_fetch_sub( pw, 1, __ATOMIC_ACQ_REL );
+}
+
+inline boost::uint_least32_t atomic_conditional_increment( boost::uint_least32_t * pw )
+{
+    // long r = *pw;
+    // if( r != 0 ) ++*pw;
+    // return r;
+
+    boost::uint_least32_t r = __atomic_load_n( pw, __ATOMIC_RELAXED );
+
+    for( ;; )
+    {
+        if( r == 0 )
+        {
+            return r;
+        }
+
+        if( __atomic_compare_exchange_n( pw, &r, r + 1, true, __ATOMIC_RELAXED, __ATOMIC_RELAXED ) )
+        {
+            return r;
+        }
+    }
+}
+
+inline boost::uint_least32_t atomic_load( boost::uint_least32_t const * pw )
+{
+    return __atomic_load_n( pw, __ATOMIC_ACQUIRE );
+}
+
+class BOOST_SYMBOL_VISIBLE sp_counted_base
+{
+private:
+
+    sp_counted_base( sp_counted_base const & );
+    sp_counted_base & operator= ( sp_counted_base const & );
+
+    boost::uint_least32_t use_count_;        // #shared
+    boost::uint_least32_t weak_count_;       // #weak + (#shared != 0)
+
+public:
+
+    sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
+    {
+    }
+
+    virtual ~sp_counted_base() // nothrow
+    {
+    }
+
+    // dispose() is called when use_count_ drops to zero, to release
+    // the resources managed by *this.
+
+    virtual void dispose() = 0; // nothrow
+
+    // destroy() is called when weak_count_ drops to zero.
+
+    virtual void destroy() // nothrow
+    {
+        delete this;
+    }
+
+    virtual void * get_deleter( sp_typeinfo_ const & ti ) = 0;
+    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) = 0;
+    virtual void * get_untyped_deleter() = 0;
+
+    void add_ref_copy()
+    {
+        atomic_increment( &use_count_ );
+    }
+
+    bool add_ref_lock() // true on success
+    {
+        return atomic_conditional_increment( &use_count_ ) != 0;
+    }
+
+    void release() // nothrow
+    {
+        if( atomic_decrement( &use_count_ ) == 1 )
+        {
+            dispose();
+            weak_release();
+        }
+    }
+
+    void weak_add_ref() // nothrow
+    {
+        atomic_increment( &weak_count_ );
+    }
+
+    void weak_release() // nothrow
+    {
+        if( atomic_decrement( &weak_count_ ) == 1 )
+        {
+            destroy();
+        }
+    }
+
+    long use_count() const // nothrow
+    {
+        return static_cast<long>( atomic_load( &use_count_ ) );
+    }
+};
+
+} // namespace detail
+
+} // namespace boost
+
+#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SYNC_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base_gcc_ia64.hpp

@@ -17,8 +17,18 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/IA64 sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_gcc_mips.hpp

@@ -21,8 +21,18 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/MIPS sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_gcc_ppc.hpp

@@ -25,8 +25,18 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/PowerPC sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_gcc_sparc.hpp

@@ -20,9 +20,19 @@
 //  Thanks to Michael van der Westhuizen
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 #include <inttypes.h> // int32_t
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/Sparc sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_gcc_x86.hpp

@@ -25,8 +25,18 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/x86 sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_nt.hpp

@@ -19,10 +19,16 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
 #include <boost/config.hpp>
 #include <boost/cstdint.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using single-threaded, non-atomic sp_counted_base")
+
+#endif
+
 namespace boost
 {
 
@@ -41,43 +47,43 @@ private:
 
 public:
 
-    sp_counted_base() BOOST_SP_NOEXCEPT: use_count_( 1 ), weak_count_( 1 )
+    sp_counted_base() noexcept: use_count_( 1 ), weak_count_( 1 )
     {
     }
 
-    virtual ~sp_counted_base() /*BOOST_SP_NOEXCEPT*/
+    virtual ~sp_counted_base() /*noexcept*/
     {
     }
 
     // dispose() is called when use_count_ drops to zero, to release
     // the resources managed by *this.
 
-    virtual void dispose() BOOST_SP_NOEXCEPT = 0; // nothrow
+    virtual void dispose() noexcept = 0; // nothrow
 
     // destroy() is called when weak_count_ drops to zero.
 
-    virtual void destroy() BOOST_SP_NOEXCEPT // nothrow
+    virtual void destroy() noexcept // nothrow
     {
         delete this;
     }
 
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT = 0;
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT = 0;
-    virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT = 0;
+    virtual void * get_deleter( sp_typeinfo_ const & ti ) noexcept = 0;
+    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) noexcept = 0;
+    virtual void * get_untyped_deleter() noexcept = 0;
 
-    void add_ref_copy() BOOST_SP_NOEXCEPT
+    void add_ref_copy() noexcept
     {
         ++use_count_;
     }
 
-    bool add_ref_lock() BOOST_SP_NOEXCEPT // true on success
+    bool add_ref_lock() noexcept // true on success
     {
         if( use_count_ == 0 ) return false;
         ++use_count_;
         return true;
     }
 
-    void release() BOOST_SP_NOEXCEPT
+    void release() noexcept
     {
         if( --use_count_ == 0 )
         {
@@ -86,12 +92,12 @@ public:
         }
     }
 
-    void weak_add_ref() BOOST_SP_NOEXCEPT
+    void weak_add_ref() noexcept
     {
         ++weak_count_;
     }
 
-    void weak_release() BOOST_SP_NOEXCEPT
+    void weak_release() noexcept
     {
         if( --weak_count_ == 0 )
         {
@@ -99,7 +105,7 @@ public:
         }
     }
 
-    long use_count() const BOOST_SP_NOEXCEPT
+    long use_count() const noexcept
     {
         return use_count_;
     }

include/boost/smart_ptr/detail/sp_counted_base_pt.hpp

@@ -24,6 +24,13 @@
 #include <boost/cstdint.hpp>
 #include <pthread.h>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using pthread_mutex sp_counted_base")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_snc_ps3.hpp

@@ -6,7 +6,7 @@
 # pragma once
 #endif
 
-//  detail/sp_counted_base_gcc_sparc.hpp - g++ on Sparc V8+
+//  detail/sp_counted_base_gcc_snc_ps3.hpp - PS3 Cell
 //
 //  Copyright (c) 2006 Piotr Wyderski
 //  Copyright (c) 2006 Tomas Puverle
@@ -20,9 +20,19 @@
 //  Thanks to Michael van der Westhuizen
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 #include <inttypes.h> // uint32_t
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using PS3 sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_solaris.hpp

@@ -1,116 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SOLARIS_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SOLARIS_HPP_INCLUDED
-
-//
-//  detail/sp_counted_base_solaris.hpp
-//   based on: detail/sp_counted_base_w32.hpp
-//
-//  Copyright (c) 2001, 2002, 2003 Peter Dimov and Multi Media Ltd.
-//  Copyright 2004-2005 Peter Dimov
-//  Copyright 2006 Michael van der Westhuizen
-//
-//  Distributed under the Boost Software License, Version 1.0. (See
-//  accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-//
-//
-//  Lock-free algorithm by Alexander Terekhov
-//
-//  Thanks to Ben Hitchings for the #weak + (#shared != 0)
-//  formulation
-//
-
-#include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
-#include <boost/config.hpp>
-#include <atomic.h>
-
-namespace boost
-{
-
-namespace detail
-{
-
-class BOOST_SYMBOL_VISIBLE sp_counted_base
-{
-private:
-
-    sp_counted_base( sp_counted_base const & );
-    sp_counted_base & operator= ( sp_counted_base const & );
-
-    uint32_t use_count_;        // #shared
-    uint32_t weak_count_;       // #weak + (#shared != 0)
-
-public:
-
-    sp_counted_base(): use_count_( 1 ), weak_count_( 1 )
-    {
-    }
-
-    virtual ~sp_counted_base() // nothrow
-    {
-    }
-
-    // dispose() is called when use_count_ drops to zero, to release
-    // the resources managed by *this.
-
-    virtual void dispose() = 0; // nothrow
-
-    // destroy() is called when weak_count_ drops to zero.
-
-    virtual void destroy() // nothrow
-    {
-        delete this;
-    }
-
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) = 0;
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) = 0;
-    virtual void * get_untyped_deleter() = 0;
-
-    void add_ref_copy()
-    {
-        atomic_inc_32( &use_count_ );
-    }
-
-    bool add_ref_lock() // true on success
-    {
-        for( ;; )
-        {
-            uint32_t tmp = static_cast< uint32_t const volatile& >( use_count_ );
-            if( tmp == 0 ) return false;
-            if( atomic_cas_32( &use_count_, tmp, tmp + 1 ) == tmp ) return true;
-        }
-    }
-
-    void release() // nothrow
-    {
-        if( atomic_dec_32_nv( &use_count_ ) == 0 )
-        {
-            dispose();
-            weak_release();
-        }
-    }
-
-    void weak_add_ref() // nothrow
-    {
-        atomic_inc_32( &weak_count_ );
-    }
-
-    void weak_release() // nothrow
-    {
-        if( atomic_dec_32_nv( &weak_count_ ) == 0 )
-        {
-            destroy();
-        }
-    }
-
-    long use_count() const // nothrow
-    {
-        return static_cast<long const volatile &>( use_count_ );
-    }
-};
-
-} // namespace detail
-
-} // namespace boost
-
-#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_COUNTED_BASE_SOLARIS_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_counted_base_spin.hpp

@@ -22,6 +22,13 @@
 #include <boost/smart_ptr/detail/spinlock_pool.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using spinlock-based sp_counted_base")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_std_atomic.hpp

@@ -16,28 +16,34 @@
 //  http://www.boost.org/LICENSE_1_0.txt
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
 #include <boost/config.hpp>
 #include <atomic>
 #include <cstdint>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using std::atomic sp_counted_base")
+
+#endif
+
 namespace boost
 {
 
 namespace detail
 {
 
-inline void atomic_increment( std::atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
+inline void atomic_increment( std::atomic_int_least32_t * pw ) noexcept
 {
     pw->fetch_add( 1, std::memory_order_relaxed );
 }
 
-inline std::int_least32_t atomic_decrement( std::atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
+inline std::int_least32_t atomic_decrement( std::atomic_int_least32_t * pw ) noexcept
 {
     return pw->fetch_sub( 1, std::memory_order_acq_rel );
 }
 
-inline std::int_least32_t atomic_conditional_increment( std::atomic_int_least32_t * pw ) BOOST_SP_NOEXCEPT
+inline std::int_least32_t atomic_conditional_increment( std::atomic_int_least32_t * pw ) noexcept
 {
     // long r = *pw;
     // if( r != 0 ) ++*pw;
@@ -71,41 +77,41 @@ private:
 
 public:
 
-    sp_counted_base() BOOST_SP_NOEXCEPT: use_count_( 1 ), weak_count_( 1 )
+    sp_counted_base() noexcept: use_count_( 1 ), weak_count_( 1 )
     {
     }
 
-    virtual ~sp_counted_base() /*BOOST_SP_NOEXCEPT*/
+    virtual ~sp_counted_base() /*noexcept*/
     {
     }
 
     // dispose() is called when use_count_ drops to zero, to release
     // the resources managed by *this.
 
-    virtual void dispose() BOOST_SP_NOEXCEPT = 0;
+    virtual void dispose() noexcept = 0;
 
     // destroy() is called when weak_count_ drops to zero.
 
-    virtual void destroy() BOOST_SP_NOEXCEPT
+    virtual void destroy() noexcept
     {
         delete this;
     }
 
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT = 0;
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT = 0;
-    virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT = 0;
+    virtual void * get_deleter( sp_typeinfo_ const & ti ) noexcept = 0;
+    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) noexcept = 0;
+    virtual void * get_untyped_deleter() noexcept = 0;
 
-    void add_ref_copy() BOOST_SP_NOEXCEPT
+    void add_ref_copy() noexcept
     {
         atomic_increment( &use_count_ );
     }
 
-    bool add_ref_lock() BOOST_SP_NOEXCEPT // true on success
+    bool add_ref_lock() noexcept // true on success
     {
         return atomic_conditional_increment( &use_count_ ) != 0;
     }
 
-    void release() BOOST_SP_NOEXCEPT
+    void release() noexcept
     {
         if( atomic_decrement( &use_count_ ) == 1 )
         {
@@ -114,12 +120,12 @@ public:
         }
     }
 
-    void weak_add_ref() BOOST_SP_NOEXCEPT
+    void weak_add_ref() noexcept
     {
         atomic_increment( &weak_count_ );
     }
 
-    void weak_release() BOOST_SP_NOEXCEPT
+    void weak_release() noexcept
     {
         if( atomic_decrement( &weak_count_ ) == 1 )
         {
@@ -127,7 +133,7 @@ public:
         }
     }
 
-    long use_count() const BOOST_SP_NOEXCEPT
+    long use_count() const noexcept
     {
         return use_count_.load( std::memory_order_acquire );
     }

include/boost/smart_ptr/detail/sp_counted_base_sync.hpp

@@ -23,6 +23,13 @@
 # include <ia64intrin.h>
 #endif
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using __sync sp_counted_base")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/sp_counted_base_vacpp_ppc.hpp

@@ -22,8 +22,18 @@
 //
 
 #include <boost/smart_ptr/detail/sp_typeinfo_.hpp>
+#include <boost/smart_ptr/detail/sp_obsolete.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using xlC/PowerPC sp_counted_base")
+
+#endif
+
+BOOST_SP_OBSOLETE()
+
 extern "builtin" void __lwsync(void);
 extern "builtin" void __isync(void);
 extern "builtin" int __fetch_and_add(volatile int* addr, int val);

include/boost/smart_ptr/detail/sp_counted_base_w32.hpp

@@ -29,6 +29,13 @@
 #include <boost/config/workaround.hpp>
 #include <boost/config.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using Win32 sp_counted_base")
+
+#endif
+
 namespace boost
 {
 
@@ -83,18 +90,7 @@ public:
             long tmp = static_cast< long const volatile& >( use_count_ );
             if( tmp == 0 ) return false;
 
-#if defined( BOOST_MSVC ) && BOOST_WORKAROUND( BOOST_MSVC, == 1200 )
-
-            // work around a code generation bug
-
-            long tmp2 = tmp + 1;
-            if( BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE( &use_count_, tmp2, tmp ) == tmp2 - 1 ) return true;
-
-#else
-
             if( BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE( &use_count_, tmp + 1, tmp ) == tmp ) return true;
-
-#endif
         }
     }
 

include/boost/smart_ptr/detail/sp_counted_impl.hpp

@@ -18,37 +18,18 @@
 // http://www.boost.org/LICENSE_1_0.txt)
 //
 
+#include <boost/smart_ptr/detail/sp_counted_base.hpp>
+#include <boost/smart_ptr/detail/deprecated_macros.hpp>
+#include <boost/core/checked_delete.hpp>
+#include <boost/core/addressof.hpp>
 #include <boost/config.hpp>
 
-#if defined(BOOST_SP_USE_STD_ALLOCATOR) && defined(BOOST_SP_USE_QUICK_ALLOCATOR)
-# error BOOST_SP_USE_STD_ALLOCATOR and BOOST_SP_USE_QUICK_ALLOCATOR are incompatible.
-#endif
-
-#include <boost/checked_delete.hpp>
-#include <boost/smart_ptr/detail/sp_counted_base.hpp>
-#include <boost/smart_ptr/detail/sp_noexcept.hpp>
-#include <boost/core/addressof.hpp>
-
-#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
-#include <boost/smart_ptr/detail/quick_allocator.hpp>
-#endif
-
-#if defined(BOOST_SP_USE_STD_ALLOCATOR)
-#include <memory>           // std::allocator
-#endif
-
+#include <memory>           // std::allocator, std::allocator_traits
 #include <cstddef>          // std::size_t
 
 namespace boost
 {
 
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-
-void sp_scalar_constructor_hook( void * px, std::size_t size, void * pn );
-void sp_scalar_destructor_hook( void * px, std::size_t size, void * pn );
-
-#endif
-
 namespace detail
 {
 
@@ -56,12 +37,12 @@ namespace detail
 
 template<class D> class local_sp_deleter;
 
-template<class D> D * get_local_deleter( D * /*p*/ ) BOOST_SP_NOEXCEPT
+template<class D> D * get_local_deleter( D * /*p*/ ) noexcept
 {
     return 0;
 }
 
-template<class D> D * get_local_deleter( local_sp_deleter<D> * p ) BOOST_SP_NOEXCEPT;
+template<class D> D * get_local_deleter( local_sp_deleter<D> * p ) noexcept;
 
 //
 
@@ -80,76 +61,35 @@ public:
 
     explicit sp_counted_impl_p( X * px ): px_( px )
     {
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        boost::sp_scalar_constructor_hook( px, sizeof(X), this );
-#endif
     }
 
-    virtual void dispose() BOOST_SP_NOEXCEPT
+    void dispose() noexcept override
     {
-#if defined(BOOST_SP_ENABLE_DEBUG_HOOKS)
-        boost::sp_scalar_destructor_hook( px_, sizeof(X), this );
-#endif
         boost::checked_delete( px_ );
     }
 
-    virtual void * get_deleter( sp_typeinfo_ const & ) BOOST_SP_NOEXCEPT
+    void * get_deleter( sp_typeinfo_ const & ) noexcept override
     {
         return 0;
     }
 
-    virtual void * get_local_deleter( sp_typeinfo_ const & ) BOOST_SP_NOEXCEPT
+    void * get_local_deleter( sp_typeinfo_ const & ) noexcept override
     {
         return 0;
     }
 
-    virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT
+    void * get_untyped_deleter() noexcept override
     {
         return 0;
     }
-
-#if defined(BOOST_SP_USE_STD_ALLOCATOR)
-
-    void * operator new( std::size_t )
-    {
-        return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
-    }
-
-    void operator delete( void * p )
-    {
-        std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
-    }
-
-#endif
-
-#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
-
-    void * operator new( std::size_t )
-    {
-        return quick_allocator<this_type>::alloc();
-    }
-
-    void operator delete( void * p )
-    {
-        quick_allocator<this_type>::dealloc( p );
-    }
-
-#endif
 };
 
-//
-// Borland's Codeguard trips up over the -Vx- option here:
-//
-#ifdef __CODEGUARD__
-# pragma option push -Vx-
-#endif
-
 template<class P, class D> class BOOST_SYMBOL_VISIBLE sp_counted_impl_pd: public sp_counted_base
 {
 private:
 
     P ptr; // copy constructor must not throw
-    D del; // copy constructor must not throw
+    D del; // copy/move constructor must not throw
 
     sp_counted_impl_pd( sp_counted_impl_pd const & );
     sp_counted_impl_pd & operator= ( sp_counted_impl_pd const & );
@@ -160,7 +100,7 @@ public:
 
     // pre: d(p) must not throw
 
-    sp_counted_impl_pd( P p, D & d ): ptr( p ), del( d )
+    sp_counted_impl_pd( P p, D & d ): ptr( p ), del( static_cast< D&& >( d ) )
     {
     }
 
@@ -168,53 +108,25 @@ public:
     {
     }
 
-    virtual void dispose() BOOST_SP_NOEXCEPT
+    void dispose() noexcept override
     {
         del( ptr );
     }
 
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT
+    void * get_deleter( sp_typeinfo_ const & ti ) noexcept override
     {
         return ti == BOOST_SP_TYPEID_(D)? &reinterpret_cast<char&>( del ): 0;
     }
 
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT
+    void * get_local_deleter( sp_typeinfo_ const & ti ) noexcept override
     {
         return ti == BOOST_SP_TYPEID_(D)? boost::detail::get_local_deleter( boost::addressof( del ) ): 0;
     }
 
-    virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT
+    void * get_untyped_deleter() noexcept override
     {
         return &reinterpret_cast<char&>( del );
     }
-
-#if defined(BOOST_SP_USE_STD_ALLOCATOR)
-
-    void * operator new( std::size_t )
-    {
-        return std::allocator<this_type>().allocate( 1, static_cast<this_type *>(0) );
-    }
-
-    void operator delete( void * p )
-    {
-        std::allocator<this_type>().deallocate( static_cast<this_type *>(p), 1 );
-    }
-
-#endif
-
-#if defined(BOOST_SP_USE_QUICK_ALLOCATOR)
-
-    void * operator new( std::size_t )
-    {
-        return quick_allocator<this_type>::alloc();
-    }
-
-    void operator delete( void * p )
-    {
-        quick_allocator<this_type>::dealloc( p );
-    }
-
-#endif
 };
 
 template<class P, class D, class A> class BOOST_SYMBOL_VISIBLE sp_counted_impl_pda: public sp_counted_base
@@ -222,7 +134,7 @@ template<class P, class D, class A> class BOOST_SYMBOL_VISIBLE sp_counted_impl_p
 private:
 
     P p_; // copy constructor must not throw
-    D d_; // copy constructor must not throw
+    D d_; // copy/move constructor must not throw
     A a_; // copy constructor must not throw
 
     sp_counted_impl_pda( sp_counted_impl_pda const & );
@@ -234,7 +146,7 @@ public:
 
     // pre: d( p ) must not throw
 
-    sp_counted_impl_pda( P p, D & d, A a ): p_( p ), d_( d ), a_( a )
+    sp_counted_impl_pda( P p, D & d, A a ): p_( p ), d_( static_cast< D&& >( d ) ), a_( a )
     {
     }
 
@@ -242,23 +154,15 @@ public:
     {
     }
 
-    virtual void dispose() BOOST_SP_NOEXCEPT
+    void dispose() noexcept override
     {
         d_( p_ );
     }
 
-    virtual void destroy() BOOST_SP_NOEXCEPT
+    void destroy() noexcept override
     {
-#if !defined( BOOST_NO_CXX11_ALLOCATOR )
-
         typedef typename std::allocator_traits<A>::template rebind_alloc< this_type > A2;
 
-#else
-
-        typedef typename A::template rebind< this_type >::other A2;
-
-#endif
-
         A2 a2( a_ );
 
         this->~this_type();
@@ -266,26 +170,22 @@ public:
         a2.deallocate( this, 1 );
     }
 
-    virtual void * get_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT
+    void * get_deleter( sp_typeinfo_ const & ti ) noexcept override
     {
         return ti == BOOST_SP_TYPEID_( D )? &reinterpret_cast<char&>( d_ ): 0;
     }
 
-    virtual void * get_local_deleter( sp_typeinfo_ const & ti ) BOOST_SP_NOEXCEPT
+    void * get_local_deleter( sp_typeinfo_ const & ti ) noexcept override
     {
         return ti == BOOST_SP_TYPEID_( D )? boost::detail::get_local_deleter( boost::addressof( d_ ) ): 0;
     }
 
-    virtual void * get_untyped_deleter() BOOST_SP_NOEXCEPT
+    void * get_untyped_deleter() noexcept override
     {
         return &reinterpret_cast<char&>( d_ );
     }
 };
 
-#ifdef __CODEGUARD__
-# pragma option pop
-#endif
-
 } // namespace detail
 
 } // namespace boost

include/boost/smart_ptr/detail/sp_cxx20_constexpr.hpp

@@ -0,0 +1,37 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_CXX20_CONSTEXPR_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_CXX20_CONSTEXPR_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+#pragma once
+#endif
+
+//  detail/sp_noexcept.hpp
+//
+//  Copyright 2025 Mathias Stearn
+//
+//  Distributed under the Boost Software License, Version 1.0.
+//  See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt
+
+
+// This macro is used to mark functions as constexpr if the compiler supports
+// constexpr destructors. Since you can't have a constexpr smart pointer object,
+// everything except null constructors are guided behind this macro. Because
+// this also guards a use of dynamic_cast, we need to check for its availability
+// as well. It isn't worth splitting out since all known compilers that support
+// constexpr dynamic_cast also support constexpr destructors.
+//
+// WARNING: This does not check for changing active member of a union in
+// constant expressions which is allowed in C++20. If that is needed, we
+// need to raise the checked version to 202002L.
+#if defined(__cpp_constexpr_dynamic_alloc) && __cpp_constexpr_dynamic_alloc >= 201907L \
+    && defined(__cpp_constexpr) && __cpp_constexpr >= 201907L
+#define BOOST_SP_CXX20_CONSTEXPR constexpr
+#else
+#define BOOST_SP_CXX20_CONSTEXPR
+#define BOOST_SP_NO_CXX20_CONSTEXPR
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_CXX20_CONSTEXPR_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_forward.hpp

@@ -1,52 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_FORWARD_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_FORWARD_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//  detail/sp_forward.hpp
-//
-//  Copyright 2008,2012 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-
-#include <boost/config.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-#if !defined( BOOST_NO_CXX11_RVALUE_REFERENCES )
-
-#if defined( BOOST_GCC ) && __GNUC__ * 100 + __GNUC_MINOR__ <= 404
-
-// GCC 4.4 supports an outdated version of rvalue references and creates a copy of the forwarded object.
-// This results in warnings 'returning reference to temporary'. Therefore we use a special version similar to std::forward.
-template< class T > T&& sp_forward( T && t ) BOOST_NOEXCEPT
-{
-    return t;
-}
-
-#else
-
-template< class T > T&& sp_forward( T & t ) BOOST_NOEXCEPT
-{
-    return static_cast< T&& >( t );
-}
-
-#endif
-
-#endif
-
-} // namespace detail
-
-} // namespace boost
-
-#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_FORWARD_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp

@@ -0,0 +1,30 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_GCC_INTRINSICS_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_HAS_GCC_INTRINSICS_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+
+// boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp
+//
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+//
+// Defines the BOOST_SP_HAS_GCC_INTRINSICS macro if the __atomic_*
+// intrinsics are available.
+
+// Libraries (e.g. Kokkos) sometimes define the __ATOMIC_RELAXED macros,
+// leading to errors under MSVC (https://github.com/boostorg/smart_ptr/pull/112)
+
+#if defined( __ATOMIC_RELAXED ) && defined( __ATOMIC_ACQUIRE ) && defined( __ATOMIC_RELEASE ) && defined( __ATOMIC_ACQ_REL ) \
+    && !( defined(_MSC_VER) && !defined(__clang__) )
+
+# define BOOST_SP_HAS_GCC_INTRINSICS
+
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_GCC_INTRINSICS_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_has_sync.hpp

@@ -1,69 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//
-//  boost/smart_ptr/detail/sp_has_sync.hpp
-//
-//  Copyright (c) 2008, 2009 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt)
-//
-//  Defines the BOOST_SP_HAS_SYNC macro if the __sync_* intrinsics
-//  are available.
-//
-
-#ifndef BOOST_SP_NO_SYNC
-
-#if !defined( __c2__ ) && defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 )
-
-# define BOOST_SP_HAS_SYNC
-
-#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 ) && !defined( __COMPILER_VER__ )
-
-# define BOOST_SP_HAS_SYNC
-
-#elif !defined( __c2__ ) && defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 )
-
-#define BOOST_SP_HAS_SYNC
-
-#if defined( __arm__ )  || defined( __armel__ )
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#if defined( __hppa ) || defined( __hppa__ )
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#if defined( __m68k__ )
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#if defined( __sh__ )
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#if defined( __sparc__ )
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#if defined( __INTEL_COMPILER ) && !defined( __ia64__ ) && ( __INTEL_COMPILER < 1110 )
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#if defined(__PATHSCALE__) && ((__PATHCC__ == 4) && (__PATHCC_MINOR__ < 9)) 
-#undef BOOST_SP_HAS_SYNC
-#endif
-
-#endif
-
-#endif // #ifndef BOOST_SP_NO_SYNC
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp

@@ -0,0 +1,69 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_INTRINSICS_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_INTRINSICS_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+//
+//  boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp
+//
+//  Copyright (c) 2008, 2009 Peter Dimov
+//
+//  Distributed under the Boost Software License, Version 1.0.
+//  See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+//
+//  Defines the BOOST_SP_HAS_SYNC_INTRINSICS macro if the __sync_* intrinsics
+//  are available.
+//
+
+#if !defined( BOOST_SP_NO_SYNC_INTRINSICS ) && !defined( BOOST_SP_NO_SYNC )
+
+#if defined( __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4 ) && !defined( __c2__ )
+
+# define BOOST_SP_HAS_SYNC_INTRINSICS
+
+#elif defined( __IBMCPP__ ) && ( __IBMCPP__ >= 1210 ) && !defined( __COMPILER_VER__ )
+
+# define BOOST_SP_HAS_SYNC_INTRINSICS
+
+#elif defined( __GNUC__ ) && ( __GNUC__ * 100 + __GNUC_MINOR__ >= 401 ) && !defined( __c2__ )
+
+#define BOOST_SP_HAS_SYNC_INTRINSICS
+
+#if defined( __arm__ )  || defined( __armel__ )
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#if defined( __hppa ) || defined( __hppa__ )
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#if defined( __m68k__ )
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#if defined( __sh__ )
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#if defined( __sparc__ )
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#if defined( __INTEL_COMPILER ) && !defined( __ia64__ ) && ( __INTEL_COMPILER < 1110 )
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#if defined(__PATHSCALE__) && ((__PATHCC__ == 4) && (__PATHCC_MINOR__ < 9)) 
+#undef BOOST_SP_HAS_SYNC_INTRINSICS
+#endif
+
+#endif
+
+#endif // #if !defined( BOOST_SP_NO_SYNC_INTRINSICS ) && !defined( BOOST_SP_NO_SYNC )
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_HAS_SYNC_INTRINSICS_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_noexcept.hpp

@@ -15,25 +15,16 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/config.hpp>
 
-// BOOST_SP_NOEXCEPT
+// BOOST_SP_NOEXCEPT (obsolete, only retained for compatibility)
 
-#if defined( BOOST_MSVC ) && BOOST_MSVC >= 1700 && BOOST_MSVC < 1900
+#define BOOST_SP_NOEXCEPT noexcept
 
-#  define BOOST_SP_NOEXCEPT BOOST_NOEXCEPT_OR_NOTHROW
-
-#else
-
-#  define BOOST_SP_NOEXCEPT BOOST_NOEXCEPT
-
-#endif
-
-// BOOST_SP_NOEXCEPT_WITH_ASSERT
+// BOOST_SP_NOEXCEPT_WITH_ASSERT (noexcept, unless a user assertion handler is present)
 
 #if defined(BOOST_DISABLE_ASSERTS) || ( defined(BOOST_ENABLE_ASSERT_DEBUG_HANDLER) && defined(NDEBUG) )
 
-#  define BOOST_SP_NOEXCEPT_WITH_ASSERT BOOST_SP_NOEXCEPT
+#  define BOOST_SP_NOEXCEPT_WITH_ASSERT noexcept
 
 #elif defined(BOOST_ENABLE_ASSERT_HANDLER) || ( defined(BOOST_ENABLE_ASSERT_DEBUG_HANDLER) && !defined(NDEBUG) )
 
@@ -41,7 +32,7 @@
 
 #else
 
-#  define BOOST_SP_NOEXCEPT_WITH_ASSERT BOOST_SP_NOEXCEPT
+#  define BOOST_SP_NOEXCEPT_WITH_ASSERT noexcept
 
 #endif
 

include/boost/smart_ptr/detail/sp_nullptr_t.hpp

@@ -1,45 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-//  detail/sp_nullptr_t.hpp
-//
-//  Copyright 2013 Peter Dimov
-//
-//  Distributed under the Boost Software License, Version 1.0.
-//  See accompanying file LICENSE_1_0.txt or copy at
-//  http://www.boost.org/LICENSE_1_0.txt
-
-#include <boost/config.hpp>
-#include <cstddef>
-
-#if !defined( BOOST_NO_CXX11_NULLPTR )
-
-namespace boost
-{
-
-namespace detail
-{
-
-#if !defined( BOOST_NO_CXX11_DECLTYPE ) && ( ( defined( __clang__ ) && !defined( _LIBCPP_VERSION ) ) || defined( __INTEL_COMPILER ) )
-
-    typedef decltype(nullptr) sp_nullptr_t;
-
-#else
-
-    typedef std::nullptr_t sp_nullptr_t;
-
-#endif
-
-} // namespace detail
-
-} // namespace boost
-
-#endif // !defined( BOOST_NO_CXX11_NULLPTR )
-
-#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_NULLPTR_T_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_obsolete.hpp

@@ -0,0 +1,32 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_OBSOLETE_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_OBSOLETE_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+
+// boost/smart_ptr/detail/sp_obsolete.hpp
+//
+// Copyright 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+//
+// Defines the BOOST_SP_OBSOLETE macro that emits a deprecation
+// message.
+
+#include <boost/config/pragma_message.hpp>
+
+#if !defined( BOOST_SP_NO_OBSOLETE_MESSAGE )
+
+#define BOOST_SP_OBSOLETE() BOOST_PRAGMA_MESSAGE("This platform-specific implementation is presumed obsolete and is slated for removal. If you want it retained, please open an issue in https://github.com/boostorg/smart_ptr.")
+
+#else
+
+#define BOOST_SP_OBSOLETE()
+
+#endif
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_OBSOLETE_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_pause.hpp

@@ -0,0 +1,23 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED
+
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
+
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
+
+namespace boost
+{
+namespace detail
+{
+
+using boost::core::sp_thread_pause;
+
+} // namespace detail
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_sleep.hpp

@@ -0,0 +1,23 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED
+
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
+
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
+
+namespace boost
+{
+namespace detail
+{
+
+using boost::core::sp_thread_sleep;
+
+} // namespace detail
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_yield.hpp

@@ -0,0 +1,23 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED
+
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
+
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
+
+namespace boost
+{
+namespace detail
+{
+
+using boost::core::sp_thread_yield;
+
+} // namespace detail
+} // namespace boost
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_type_traits.hpp

@@ -0,0 +1,55 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SP_TYPE_TRAITS_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SP_TYPE_TRAITS_HPP_INCLUDED
+
+// Copyright 2024 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <type_traits>
+
+namespace boost
+{
+namespace detail
+{
+
+// std::is_bounded_array (C++20)
+
+template<class T> struct sp_is_bounded_array: std::false_type
+{
+};
+
+template<class T, std::size_t N> struct sp_is_bounded_array< T[N] >: std::true_type
+{
+};
+
+// std::is_unbounded_array (C++20)
+
+template<class T> struct sp_is_unbounded_array: std::false_type
+{
+};
+
+template<class T> struct sp_is_unbounded_array< T[] >: std::true_type
+{
+};
+
+// std::type_identity (C++20)
+
+template<class T> struct sp_type_identity
+{
+    typedef T type;
+};
+
+// boost::type_with_alignment
+
+template<std::size_t A> struct sp_type_with_alignment
+{
+    struct alignas(A) type
+    {
+        unsigned char padding[ A ];
+    };
+};
+
+} // namespace detail
+} // namespace boost
+
+#endif  // #ifndef BOOST_SMART_PTR_DETAIL_SP_TYPE_TRAITS_HPP_INCLUDED

include/boost/smart_ptr/detail/spinlock.hpp

@@ -28,28 +28,27 @@
 //  #define BOOST_DETAIL_SPINLOCK_INIT <unspecified>
 //
 
+#include <boost/smart_ptr/detail/sp_has_gcc_intrinsics.hpp>
+#include <boost/smart_ptr/detail/sp_has_sync_intrinsics.hpp>
+#include <boost/smart_ptr/detail/deprecated_macros.hpp>
 #include <boost/config.hpp>
-#include <boost/smart_ptr/detail/sp_has_sync.hpp>
 
 #if defined( BOOST_SP_USE_STD_ATOMIC )
-# if !defined( __clang__ )
-#   include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
-# else
-//  Clang (at least up to 3.4) can't compile spinlock_pool when
-//  using std::atomic, so substitute the __sync implementation instead.
-#   include <boost/smart_ptr/detail/spinlock_sync.hpp>
-# endif
+#  include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
 
 #elif defined( BOOST_SP_USE_PTHREADS )
 #  include <boost/smart_ptr/detail/spinlock_pt.hpp>
 
+#elif defined( BOOST_SP_HAS_GCC_INTRINSICS )
+#  include <boost/smart_ptr/detail/spinlock_gcc_atomic.hpp>
+
 #elif !defined( BOOST_NO_CXX11_HDR_ATOMIC )
 #  include <boost/smart_ptr/detail/spinlock_std_atomic.hpp>
 
 #elif defined(__GNUC__) && defined( __arm__ ) && !defined( __thumb__ )
 #  include <boost/smart_ptr/detail/spinlock_gcc_arm.hpp>
 
-#elif defined( BOOST_SP_HAS_SYNC )
+#elif defined( BOOST_SP_HAS_SYNC_INTRINSICS )
 #  include <boost/smart_ptr/detail/spinlock_sync.hpp>
 
 #elif defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__)

include/boost/smart_ptr/detail/spinlock_gcc_arm.hpp

@@ -11,6 +11,13 @@
 
 #include <boost/smart_ptr/detail/yield_k.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using g++/ARM spinlock")
+
+#endif
+
 #if defined(__ARM_ARCH_7__) || defined(__ARM_ARCH_7A__) || defined(__ARM_ARCH_7R__) || defined(__ARM_ARCH_7M__) || defined(__ARM_ARCH_7EM__) || defined(__ARM_ARCH_7S__)
 
 # define BOOST_SP_ARM_BARRIER "dmb"

include/boost/smart_ptr/detail/spinlock_gcc_atomic.hpp

@@ -0,0 +1,94 @@
+#ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ATOMIC_HPP_INCLUDED
+#define BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ATOMIC_HPP_INCLUDED
+
+// MS compatible compilers support #pragma once
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1020)
+# pragma once
+#endif
+
+// Copyright 2008, 2020 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
+// https://www.boost.org/LICENSE_1_0.txt
+
+#include <boost/smart_ptr/detail/yield_k.hpp>
+
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using __atomic spinlock")
+
+#endif
+
+namespace boost
+{
+
+namespace detail
+{
+
+class spinlock
+{
+public:
+
+    // `bool` alignment is required for Apple PPC32
+    // https://github.com/boostorg/smart_ptr/issues/105
+    // https://github.com/PurpleI2P/i2pd/issues/1726
+    // https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107590
+
+    union
+    {
+        unsigned char v_;
+        bool align_;
+    };
+
+public:
+
+    bool try_lock()
+    {
+        return __atomic_test_and_set( &v_, __ATOMIC_ACQUIRE ) == 0;
+    }
+
+    void lock()
+    {
+        for( unsigned k = 0; !try_lock(); ++k )
+        {
+            boost::detail::yield( k );
+        }
+    }
+
+    void unlock()
+    {
+        __atomic_clear( &v_, __ATOMIC_RELEASE );
+    }
+
+public:
+
+    class scoped_lock
+    {
+    private:
+
+        spinlock & sp_;
+
+        scoped_lock( scoped_lock const & );
+        scoped_lock & operator=( scoped_lock const & );
+
+    public:
+
+        explicit scoped_lock( spinlock & sp ): sp_( sp )
+        {
+            sp.lock();
+        }
+
+        ~scoped_lock()
+        {
+            sp_.unlock();
+        }
+    };
+};
+
+} // namespace detail
+} // namespace boost
+
+#define BOOST_DETAIL_SPINLOCK_INIT {{0}}
+
+#endif // #ifndef BOOST_SMART_PTR_DETAIL_SPINLOCK_GCC_ATOMIC_HPP_INCLUDED

include/boost/smart_ptr/detail/spinlock_nt.hpp

@@ -17,6 +17,13 @@
 
 #include <boost/assert.hpp>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using single-threaded spinlock emulation")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/spinlock_pt.hpp

@@ -17,6 +17,13 @@
 
 #include <pthread.h>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using pthread_mutex spinlock emulation")
+
+#endif
+
 namespace boost
 {
 

include/boost/smart_ptr/detail/spinlock_std_atomic.hpp

@@ -16,9 +16,15 @@
 //
 
 #include <boost/smart_ptr/detail/yield_k.hpp>
-#include <boost/config.hpp>
 #include <atomic>
 
+#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
+
+#include <boost/config/pragma_message.hpp>
+BOOST_PRAGMA_MESSAGE("Using std::atomic spinlock")
+
+#endif
+
 namespace boost
 {
 
@@ -33,12 +39,12 @@ public:
 
 public:
 
-    bool try_lock() BOOST_NOEXCEPT
+    bool try_lock() noexcept
     {
         return !v_.test_and_set( std::memory_order_acquire );
     }
 
-    void lock() BOOST_NOEXCEPT
+    void lock() noexcept
     {
         for( unsigned k = 0; !try_lock(); ++k )
         {
@@ -46,7 +52,7 @@ public:
         }
     }
 
-    void unlock() BOOST_NOEXCEPT
+    void unlock() noexcept
     {
         v_ .clear( std::memory_order_release );
     }
@@ -64,12 +70,12 @@ public:
 
     public:
 
-        explicit scoped_lock( spinlock & sp ) BOOST_NOEXCEPT: sp_( sp )
+        explicit scoped_lock( spinlock & sp ) noexcept: sp_( sp )
         {
             sp.lock();
         }
 
-        ~scoped_lock() /*BOOST_NOEXCEPT*/
+        ~scoped_lock() /*noexcept*/
         {
             sp_.unlock();
         }