ceph/src/boost/boost/smart_ptr/detail/sp_interlocked.hpp

   1 #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
   2 #define BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED
   3
   4 // MS compatible compilers support #pragma once
   5
   6 #if defined(_MSC_VER) && (_MSC_VER >= 1020)
   7 # pragma once
   8 #endif
   9
  10 //
  11 //  boost/detail/sp_interlocked.hpp
  12 //
  13 //  Copyright 2005, 2014 Peter Dimov
  14 //
  15 //  Distributed under the Boost Software License, Version 1.0.
  16 //  See accompanying file LICENSE_1_0.txt or copy at
  17 //  http://www.boost.org/LICENSE_1_0.txt
  18 //
  19
  20 #include <boost/config.hpp>
  21
  22 // BOOST_SP_HAS_INTRIN_H
  23
  24 // VC9 has intrin.h, but it collides with <utility>
  25 #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
  26
  27 # define BOOST_SP_HAS_INTRIN_H
  28
  29 // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
  30 #elif defined( __MINGW64_VERSION_MAJOR )
  31
  32 // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
  33 # define BOOST_SP_HAS_INTRIN_H
  34
  35 // Intel C++ on Windows on VC10+ stdlib
  36 #elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  37
  38 # define BOOST_SP_HAS_INTRIN_H
  39
  40 #endif
  41
  42 #if defined( BOOST_USE_WINDOWS_H )
  43
  44 # include <windows.h>
  45
  46 # define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
  47 # define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
  48 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  49 # define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
  50 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  51
  52 #elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_SP_HAS_INTRIN_H )
  53
  54 #include <intrin.h>
  55
  56 # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
  57 # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
  58 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  59 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
  60 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  61
  62 #elif defined( _WIN32_WCE )
  63
  64 #if _WIN32_WCE >= 0x600
  65
  66 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  67 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  68 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  69 extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  70 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  71
  72 # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
  73 # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
  74 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  75 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
  76 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  77
  78 #else
  79
  80 // under Windows CE we still have old-style Interlocked* functions
  81
  82 extern "C" long __cdecl InterlockedIncrement( long* );
  83 extern "C" long __cdecl InterlockedDecrement( long* );
  84 extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
  85 extern "C" long __cdecl InterlockedExchange( long*, long );
  86 extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
  87
  88 # define BOOST_SP_INTERLOCKED_INCREMENT InterlockedIncrement
  89 # define BOOST_SP_INTERLOCKED_DECREMENT InterlockedDecrement
  90 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  91 # define BOOST_SP_INTERLOCKED_EXCHANGE InterlockedExchange
  92 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  93
  94 #endif
  95
  96 #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  97
  98 #if defined( __CLRCALL_PURE_OR_CDECL )
  99
 100 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
 101 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
 102 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
 103 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
 104 extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
 105
 106 #else
 107
 108 extern "C" long __cdecl _InterlockedIncrement( long volatile * );
 109 extern "C" long __cdecl _InterlockedDecrement( long volatile * );
 110 extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
 111 extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
 112 extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
 113
 114 # if defined( BOOST_MSVC ) && BOOST_MSVC == 1310
 115 //From MSDN, Visual Studio .NET 2003 spedific: To declare one of the interlocked functions
 116 //for use as an intrinsic, the function must be declared with the leading underscore and
 117 //the new function must appear in a #pragma intrinsic statement.
 118 #  pragma intrinsic( _InterlockedIncrement )
 119 #  pragma intrinsic( _InterlockedDecrement )
 120 #  pragma intrinsic( _InterlockedCompareExchange )
 121 #  pragma intrinsic( _InterlockedExchange )
 122 #  pragma intrinsic( _InterlockedExchangeAdd )
 123 # endif
 124
 125 #endif
 126
 127 # define BOOST_SP_INTERLOCKED_INCREMENT _InterlockedIncrement
 128 # define BOOST_SP_INTERLOCKED_DECREMENT _InterlockedDecrement
 129 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
 130 # define BOOST_SP_INTERLOCKED_EXCHANGE _InterlockedExchange
 131 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
 132
 133 #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
 134
 135 namespace boost
 136 {
 137
 138 namespace detail
 139 {
 140
 141 extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
 142 extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
 143 extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
 144 extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
 145 extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
 146
 147 } // namespace detail
 148
 149 } // namespace boost
 150
 151 # define BOOST_SP_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
 152 # define BOOST_SP_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
 153 # define BOOST_SP_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
 154 # define BOOST_SP_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
 155 # define BOOST_SP_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
 156
 157 #else
 158
 159 # error "Interlocked intrinsics not available"
 160
 161 #endif
 162
 163 #endif // #ifndef BOOST_SMART_PTR_DETAIL_SP_INTERLOCKED_HPP_INCLUDED