forked from boostorg/smart_ptr
174 lines
6.4 KiB
C++
174 lines
6.4 KiB
C++
#ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
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#define BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER) && (_MSC_VER >= 1020)
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# pragma once
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#endif
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//
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// boost/detail/sp_interlocked.hpp
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//
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// Copyright 2005, 2014 Peter Dimov
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//
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// Distributed under the Boost Software License, Version 1.0.
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// See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt
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//
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#include <boost/config.hpp>
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// BOOST_SP_HAS_INTRIN_H
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// VC9 has intrin.h, but it collides with <utility>
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#if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
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# define BOOST_SP_HAS_INTRIN_H
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// Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
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#elif defined( __MINGW64_VERSION_MAJOR )
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// MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
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# define BOOST_SP_HAS_INTRIN_H
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#elif defined( __LP64__ )
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// We have to use intrin.h on Cygwin 64
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# define BOOST_SP_HAS_INTRIN_H
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// Intel C++ on Windows on VC10+ stdlib
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#elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
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# define BOOST_SP_HAS_INTRIN_H
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// clang-cl on Windows on VC10+ stdlib
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#elif defined( __clang__ ) && defined( _MSC_VER ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
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# define BOOST_SP_HAS_INTRIN_H
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#endif
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#if defined( BOOST_USE_WINDOWS_H )
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# include <windows.h>
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# define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
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# define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
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# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
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#elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_SP_HAS_INTRIN_H )
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#include <intrin.h>
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# define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
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# define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
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# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
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#elif defined( _WIN32_WCE )
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#if _WIN32_WCE >= 0x600
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extern "C" long __cdecl _InterlockedIncrement( long volatile * );
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extern "C" long __cdecl _InterlockedDecrement( long volatile * );
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extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
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extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
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extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
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# define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
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# define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
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# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
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#else
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// under Windows CE we still have old-style Interlocked* functions
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extern "C" long __cdecl InterlockedIncrement( long* );
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extern "C" long __cdecl InterlockedDecrement( long* );
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extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
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extern "C" long __cdecl InterlockedExchange( long*, long );
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extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
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# define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
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# define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
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# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
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#endif
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#elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
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#if defined( __CLRCALL_PURE_OR_CDECL )
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extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
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extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
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extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
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extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
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extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
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#else
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extern "C" long __cdecl _InterlockedIncrement( long volatile * );
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extern "C" long __cdecl _InterlockedDecrement( long volatile * );
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extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
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extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
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extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
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# if defined( BOOST_MSVC ) && BOOST_MSVC == 1310
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//From MSDN, Visual Studio .NET 2003 spedific: To declare one of the interlocked functions
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//for use as an intrinsic, the function must be declared with the leading underscore and
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//the new function must appear in a #pragma intrinsic statement.
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# pragma intrinsic( _InterlockedIncrement )
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# pragma intrinsic( _InterlockedDecrement )
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# pragma intrinsic( _InterlockedCompareExchange )
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# pragma intrinsic( _InterlockedExchange )
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# pragma intrinsic( _InterlockedExchangeAdd )
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# endif
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#endif
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# define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
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# define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
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# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
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#elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
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namespace boost
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{
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namespace detail
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{
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extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
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extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
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extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
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extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
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extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
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} // namespace detail
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} // namespace boost
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# define BOOST_SP_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
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# define BOOST_SP_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
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# define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
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# define BOOST_SP_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
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#else
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# error "Interlocked intrinsics not available"
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#endif
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#endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
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