interlocked.hpp 8.2 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. //
  8. // Distributed under the Boost Software License, Version 1.0. (See
  9. // accompanying file LICENSE_1_0.txt or copy at
  10. // http://www.boost.org/LICENSE_1_0.txt)
  11. //
  12. #include <boost/config.hpp>
  13. // MS compatible compilers support #pragma once
  14. #ifdef BOOST_HAS_PRAGMA_ONCE
  15. #pragma once
  16. #endif
  17. #if defined( BOOST_USE_WINDOWS_H )
  18. # include <windows.h>
  19. # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  20. # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  21. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  22. # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  23. # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  24. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER InterlockedCompareExchangePointer
  25. # define BOOST_INTERLOCKED_EXCHANGE_POINTER InterlockedExchangePointer
  26. #elif defined( BOOST_USE_INTRIN_H )
  27. #include <intrin.h>
  28. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  29. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  30. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  31. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  32. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  33. # if defined(_M_IA64) || defined(_M_AMD64) || defined(__x86_64__) || defined(__x86_64)
  34. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  35. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  36. # else
  37. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  38. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  39. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  40. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  41. # endif
  42. #elif defined(_WIN32_WCE)
  43. // under Windows CE we still have old-style Interlocked* functions
  44. extern "C" long __cdecl InterlockedIncrement( long volatile* );
  45. extern "C" long __cdecl InterlockedDecrement( long volatile* );
  46. extern "C" long __cdecl InterlockedCompareExchange( long volatile*, long, long );
  47. extern "C" long __cdecl InterlockedExchange( long volatile*, long );
  48. extern "C" long __cdecl InterlockedExchangeAdd( long volatile*, long );
  49. # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  50. # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  51. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  52. # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  53. # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  54. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  55. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  56. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  57. ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  58. #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  59. #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1400
  60. #include <intrin.h>
  61. #else
  62. # if defined( __CLRCALL_PURE_OR_CDECL )
  63. # define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __CLRCALL_PURE_OR_CDECL
  64. # else
  65. # define BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL __cdecl
  66. # endif
  67. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  68. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  69. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  70. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  71. extern "C" long BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  72. # undef BOOST_INTERLOCKED_CLRCALL_PURE_OR_CDECL
  73. # if defined( BOOST_MSVC ) && BOOST_MSVC >= 1310
  74. # pragma intrinsic( _InterlockedIncrement )
  75. # pragma intrinsic( _InterlockedDecrement )
  76. # pragma intrinsic( _InterlockedCompareExchange )
  77. # pragma intrinsic( _InterlockedExchange )
  78. # pragma intrinsic( _InterlockedExchangeAdd )
  79. # endif
  80. #endif
  81. # if defined(_M_IA64) || defined(_M_AMD64)
  82. extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  83. extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  84. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  85. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  86. # else
  87. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  88. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  89. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  90. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  91. # endif
  92. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  93. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  94. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  95. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  96. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  97. // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
  98. #elif defined(__MINGW64_VERSION_MAJOR)
  99. // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
  100. #include <intrin.h>
  101. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  102. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  103. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  104. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  105. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  106. # if defined(__x86_64__) || defined(__x86_64)
  107. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  108. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  109. # else
  110. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  111. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  112. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  113. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  114. # endif
  115. #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
  116. #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
  117. namespace boost
  118. {
  119. namespace detail
  120. {
  121. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedIncrement( long volatile * );
  122. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedDecrement( long volatile * );
  123. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedCompareExchange( long volatile *, long, long );
  124. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchange( long volatile *, long );
  125. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchangeAdd( long volatile *, long );
  126. # if defined(_M_IA64) || defined(_M_AMD64)
  127. extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  128. extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
  129. # endif
  130. } // namespace detail
  131. } // namespace boost
  132. # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
  133. # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
  134. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
  135. # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
  136. # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
  137. # if defined(_M_IA64) || defined(_M_AMD64)
  138. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER ::boost::detail::InterlockedCompareExchangePointer
  139. # define BOOST_INTERLOCKED_EXCHANGE_POINTER ::boost::detail::InterlockedExchangePointer
  140. # else
  141. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  142. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  143. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  144. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  145. # endif
  146. #else
  147. # error "Interlocked intrinsics not available"
  148. #endif
  149. #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED