interlocked.hpp 8.7 KB

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  1. #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  2. #define BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  3. //
  4. // boost/detail/interlocked.hpp
  5. //
  6. // Copyright 2005 Peter Dimov
  7. // Copyright 2018 Andrey Semashev
  8. //
  9. // Distributed under the Boost Software License, Version 1.0. (See
  10. // accompanying file LICENSE_1_0.txt or copy at
  11. // http://www.boost.org/LICENSE_1_0.txt)
  12. //
  13. #include <boost/config.hpp>
  14. #ifdef BOOST_HAS_PRAGMA_ONCE
  15. #pragma once
  16. #endif
  17. // BOOST_INTERLOCKED_HAS_INTRIN_H
  18. // VC9 has intrin.h, but it collides with <utility>
  19. #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1600
  20. # define BOOST_INTERLOCKED_HAS_INTRIN_H
  21. // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
  22. #elif defined( __MINGW64_VERSION_MAJOR )
  23. // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
  24. # define BOOST_INTERLOCKED_HAS_INTRIN_H
  25. #elif defined( __CYGWIN__ ) && defined( __LP64__ )
  26. // We have to use intrin.h on Cygwin 64
  27. # define BOOST_INTERLOCKED_HAS_INTRIN_H
  28. // Intel C++ on Windows on VC10+ stdlib
  29. #elif defined( BOOST_INTEL_WIN ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  30. # define BOOST_INTERLOCKED_HAS_INTRIN_H
  31. // clang-cl on Windows on VC10+ stdlib
  32. #elif defined( __clang__ ) && defined( _MSC_VER ) && defined( _CPPLIB_VER ) && _CPPLIB_VER >= 520
  33. # define BOOST_INTERLOCKED_HAS_INTRIN_H
  34. #endif
  35. #if defined( BOOST_USE_WINDOWS_H )
  36. # include <windows.h>
  37. # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  38. # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  39. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  40. # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  41. # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  42. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER InterlockedCompareExchangePointer
  43. # define BOOST_INTERLOCKED_EXCHANGE_POINTER InterlockedExchangePointer
  44. #elif defined( BOOST_USE_INTRIN_H ) || defined( BOOST_INTERLOCKED_HAS_INTRIN_H )
  45. #include <intrin.h>
  46. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  47. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  48. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  49. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  50. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  51. # if defined(_M_IA64) || defined(_M_AMD64) || defined(__x86_64__) || defined(__x86_64)
  52. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  53. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  54. # else
  55. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  56. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  57. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  58. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  59. # endif
  60. #elif defined(_WIN32_WCE)
  61. #if _WIN32_WCE >= 0x600
  62. extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  63. extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  64. extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  65. extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  66. extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  67. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  68. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  69. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  70. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  71. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  72. #else // _WIN32_WCE >= 0x600
  73. // under Windows CE we still have old-style Interlocked* functions
  74. extern "C" long __cdecl InterlockedIncrement( long * );
  75. extern "C" long __cdecl InterlockedDecrement( long * );
  76. extern "C" long __cdecl InterlockedCompareExchange( long *, long, long );
  77. extern "C" long __cdecl InterlockedExchange( long *, long );
  78. extern "C" long __cdecl InterlockedExchangeAdd( long *, long );
  79. # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  80. # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  81. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  82. # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  83. # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  84. #endif // _WIN32_WCE >= 0x600
  85. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  86. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  87. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  88. ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  89. #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  90. # if defined( __CLRCALL_PURE_OR_CDECL )
  91. # define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __CLRCALL_PURE_OR_CDECL
  92. # else
  93. # define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __cdecl
  94. # endif
  95. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  96. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  97. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  98. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  99. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  100. # undef BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL
  101. # if defined( BOOST_MSVC ) && BOOST_MSVC >= 1310
  102. # pragma intrinsic( _InterlockedIncrement )
  103. # pragma intrinsic( _InterlockedDecrement )
  104. # pragma intrinsic( _InterlockedCompareExchange )
  105. # pragma intrinsic( _InterlockedExchange )
  106. # pragma intrinsic( _InterlockedExchangeAdd )
  107. # endif
  108. # if defined(_M_IA64) || defined(_M_AMD64)
  109. extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  110. extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  111. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  112. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  113. # else
  114. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  115. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  116. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  117. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  118. # endif
  119. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  120. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  121. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  122. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  123. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  124. #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
  125. #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
  126. namespace boost
  127. {
  128. namespace detail
  129. {
  130. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedIncrement( long volatile * );
  131. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedDecrement( long volatile * );
  132. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedCompareExchange( long volatile *, long, long );
  133. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchange( long volatile *, long );
  134. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchangeAdd( long volatile *, long );
  135. # if defined(_M_IA64) || defined(_M_AMD64)
  136. extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  137. extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
  138. # endif
  139. } // namespace detail
  140. } // namespace boost
  141. # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
  142. # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
  143. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
  144. # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
  145. # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
  146. # if defined(_M_IA64) || defined(_M_AMD64)
  147. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER ::boost::detail::InterlockedCompareExchangePointer
  148. # define BOOST_INTERLOCKED_EXCHANGE_POINTER ::boost::detail::InterlockedExchangePointer
  149. # else
  150. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  151. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  152. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  153. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  154. # endif
  155. #else
  156. # error "Interlocked intrinsics not available"
  157. #endif
  158. #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED