Avoid -Wsign-conversion warning

.drone.jsonnet

@@ -333,6 +333,14 @@ local windows_pipeline(name, image, environment, arch = "amd64") =
         "clang-15",
     ),
 
+    linux_pipeline(
+        "Linux 22.04 Clang 16",
+        "cppalliance/droneubuntu2204:1",
+        { TOOLSET: 'clang', COMPILER: 'clang++-16', CXXSTD: '03,11,14,17,20,2b' },
+        "clang-16",
+        ["deb http://apt.llvm.org/jammy/ llvm-toolchain-jammy-16 main"],
+    ),
+
     macos_pipeline(
         "MacOS 10.15 Xcode 12.2 UBSAN",
         { TOOLSET: 'clang', COMPILER: 'clang++', CXXSTD: '03,11,14,1z' } + ubsan,

.github/workflows/ci.yml

@@ -66,6 +66,12 @@ jobs:
             os: ubuntu-22.04
             install: g++-12-multilib
             address-model: 32,64
+          - toolset: gcc-13
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-latest
+            container: ubuntu:23.04
+            install: g++-13-multilib
+            address-model: 32,64
           - toolset: clang
             compiler: clang++-3.9
             cxxstd: "03,11,14"
@@ -131,12 +137,21 @@ jobs:
             cxxstd: "03,11,14,17,20,2b"
             os: ubuntu-22.04
             install: clang-15
+          - toolset: clang
+            compiler: clang++-16
+            cxxstd: "03,11,14,17,20,2b"
+            os: ubuntu-latest
+            container: ubuntu:23.04
+            install: clang-16
           - toolset: clang
             cxxstd: "03,11,14,17,2a"
             os: macos-11
           - toolset: clang
             cxxstd: "03,11,14,17,20,2b"
             os: macos-12
+          - toolset: clang
+            cxxstd: "03,11,14,17,20,2b"
+            os: macos-13
 
     runs-on: ${{matrix.os}}
     container: ${{matrix.container}}
@@ -152,11 +167,13 @@ jobs:
         if: matrix.container
         run: |
           apt-get update
-          apt-get -y install sudo python git g++
+          apt-get -y install sudo python3 git g++
 
       - name: Install packages
         if: matrix.install
-        run: sudo apt-get -y install ${{matrix.install}}
+        run: |
+          sudo apt-get update
+          sudo apt-get -y install ${{matrix.install}}
 
       - name: Setup Boost
         run: |
@@ -176,7 +193,7 @@ jobs:
           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
+          python3 tools/boostdep/depinst/depinst.py --git_args "--jobs 3" $LIBRARY
           ./bootstrap.sh
           ./b2 -d0 headers
 

include/boost/smart_ptr/detail/requires_cxx11.hpp

@@ -16,7 +16,7 @@
     defined(BOOST_NO_CXX11_NULLPTR) || \
     defined(BOOST_NO_CXX11_SMART_PTR)
 
-BOOST_PRAGMA_MESSAGE("C++03 support is deprecated in Boost.SmartPtr 1.82 and will be removed in Boost.SmartPtr 1.84.")
+BOOST_PRAGMA_MESSAGE("C++03 support was deprecated in Boost.SmartPtr 1.82 and will be removed in Boost.SmartPtr 1.84. Please open an issue in https://github.com/boostorg/smart_ptr if you want it retained.")
 
 #endif
 

include/boost/smart_ptr/detail/sp_counted_base_gcc_atomic.hpp

@@ -137,7 +137,7 @@ public:
 
     long use_count() const // nothrow
     {
-        return atomic_load( &use_count_ );
+        return static_cast<long>( atomic_load( &use_count_ ) );
     }
 };
 

include/boost/smart_ptr/detail/sp_thread_pause.hpp

@@ -1,51 +1,23 @@
 #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_thread_pause.hpp
-//
-// inline void bost::detail::sp_thread_pause();
-//
-//   Emits a "pause" instruction.
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
+// Copyright 2023 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 >= 1310 && ( defined(_M_IX86) || defined(_M_X64) ) && !defined(__c2__)
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
 
-extern "C" void _mm_pause();
-
-#define BOOST_SP_PAUSE _mm_pause();
-
-#elif defined(__GNUC__) && ( defined(__i386__) || defined(__x86_64__) )
-
-#define BOOST_SP_PAUSE __asm__ __volatile__( "rep; nop" : : : "memory" );
-
-#else
-
-#define BOOST_SP_PAUSE
-
-#endif
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
 
 namespace boost
 {
 namespace detail
 {
 
-inline void sp_thread_pause()
-{
-    BOOST_SP_PAUSE
-}
+using boost::core::sp_thread_pause;
 
 } // namespace detail
 } // namespace boost
 
-#undef BOOST_SP_PAUSE
-
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_PAUSE_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_sleep.hpp

@@ -1,104 +1,23 @@
 #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_thread_sleep.hpp
-//
-// inline void bost::detail::sp_thread_sleep();
-//
-//   Cease execution for a while to yield to other threads,
-//   as if by calling nanosleep() with an appropriate interval.
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/config.hpp>
-#include <boost/config/pragma_message.hpp>
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
 
-#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using Sleep(1) in sp_thread_sleep")
-#endif
-
-#include <boost/smart_ptr/detail/sp_win32_sleep.hpp>
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
 
 namespace boost
 {
-
 namespace detail
 {
 
-inline void sp_thread_sleep()
-{
-    Sleep( 1 );
-}
+using boost::core::sp_thread_sleep;
 
 } // namespace detail
-
 } // namespace boost
 
-#elif defined(BOOST_HAS_NANOSLEEP)
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using nanosleep() in sp_thread_sleep")
-#endif
-
-#include <time.h>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_sleep()
-{
-    // g++ -Wextra warns on {} or {0}
-    struct timespec rqtp = { 0, 0 };
-
-    // POSIX says that timespec has tv_sec and tv_nsec
-    // But it doesn't guarantee order or placement
-
-    rqtp.tv_sec = 0;
-    rqtp.tv_nsec = 1000;
-
-    nanosleep( &rqtp, 0 );
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#else
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using sp_thread_yield() in sp_thread_sleep")
-#endif
-
-#include <boost/smart_ptr/detail/sp_thread_yield.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_sleep()
-{
-    sp_thread_yield();
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#endif
-
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_SLEEP_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_thread_yield.hpp

@@ -1,100 +1,23 @@
 #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED
 #define BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED
 
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_thread_yield.hpp
-//
-// inline void bost::detail::sp_thread_yield();
-//
-//   Gives up the remainder of the time slice,
-//   as if by calling sched_yield().
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
+// Copyright 2023 Peter Dimov
+// Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/config.hpp>
-#include <boost/config/pragma_message.hpp>
+#include <boost/core/yield_primitives.hpp>
+#include <boost/config/header_deprecated.hpp>
 
-#if defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using Sleep(0) in sp_thread_yield")
-#endif
-
-#include <boost/smart_ptr/detail/sp_win32_sleep.hpp>
+BOOST_HEADER_DEPRECATED( "<boost/core/yield_primitives.hpp>" )
 
 namespace boost
 {
-
 namespace detail
 {
 
-inline void sp_thread_yield()
-{
-    Sleep( 0 );
-}
+using boost::core::sp_thread_yield;
 
 } // namespace detail
-
 } // namespace boost
 
-#elif defined(BOOST_HAS_SCHED_YIELD)
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using sched_yield() in sp_thread_yield")
-#endif
-
-#ifndef _AIX
-# include <sched.h>
-#else
-  // AIX's sched.h defines ::var which sometimes conflicts with Lambda's var
-  extern "C" int sched_yield(void);
-#endif
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_yield()
-{
-    sched_yield();
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#else
-
-#if defined(BOOST_SP_REPORT_IMPLEMENTATION)
-  BOOST_PRAGMA_MESSAGE("Using sp_thread_pause() in sp_thread_yield")
-#endif
-
-#include <boost/smart_ptr/detail/sp_thread_pause.hpp>
-
-namespace boost
-{
-
-namespace detail
-{
-
-inline void sp_thread_yield()
-{
-    sp_thread_pause();
-}
-
-} // namespace detail
-
-} // namespace boost
-
-#endif
-
 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_THREAD_YIELD_HPP_INCLUDED

include/boost/smart_ptr/detail/sp_win32_sleep.hpp

@@ -1,49 +0,0 @@
-#ifndef BOOST_SMART_PTR_DETAIL_SP_WIN32_SLEEP_HPP_INCLUDED
-#define BOOST_SMART_PTR_DETAIL_SP_WIN32_SLEEP_HPP_INCLUDED
-
-// MS compatible compilers support #pragma once
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif
-
-// boost/smart_ptr/detail/sp_win32_sleep.hpp
-//
-// Declares the Win32 Sleep() function.
-//
-// Copyright 2008, 2020 Peter Dimov
-// Distributed under the Boost Software License, Version 1.0
-// https://www.boost.org/LICENSE_1_0.txt
-
-#if defined( BOOST_USE_WINDOWS_H )
-# include <windows.h>
-#endif
-
-namespace boost
-{
-namespace detail
-{
-
-#if !defined( BOOST_USE_WINDOWS_H )
-
-#if defined(__clang__) && defined(__x86_64__)
-// clang x64 warns that __stdcall is ignored
-# define BOOST_SP_STDCALL
-#else
-# define BOOST_SP_STDCALL __stdcall
-#endif
-
-#if defined(__LP64__) // Cygwin 64
-  extern "C" __declspec(dllimport) void BOOST_SP_STDCALL Sleep( unsigned int ms );
-#else
-  extern "C" __declspec(dllimport) void BOOST_SP_STDCALL Sleep( unsigned long ms );
-#endif
-
-#undef BOOST_SP_STDCALL
-
-#endif // !defined( BOOST_USE_WINDOWS_H )
-
-} // namespace detail
-} // namespace boost
-
-#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_WIN32_SLEEP_HPP_INCLUDED

include/boost/smart_ptr/detail/yield_k.hpp

@@ -19,9 +19,7 @@
 // Distributed under the Boost Software License, Version 1.0.
 // https://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/smart_ptr/detail/sp_thread_pause.hpp>
-#include <boost/smart_ptr/detail/sp_thread_sleep.hpp>
-#include <boost/config.hpp>
+#include <boost/core/yield_primitives.hpp>
 
 namespace boost
 {
@@ -34,13 +32,13 @@ inline void yield( unsigned k )
     // Experiments on Windows and Fedora 32 show that a single pause,
     // followed by an immediate sp_thread_sleep(), is best.
 
-    if( k == 0 )
+    if( k & 1 )
     {
-        sp_thread_pause();
+        boost::core::sp_thread_sleep();
     }
     else
     {
-        sp_thread_sleep();
+        boost::core::sp_thread_pause();
     }
 }