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. //
  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. #if _WIN32_WCE >= 0x600
  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. #else
  55. // under Windows CE we still have old-style Interlocked* functions
  56. extern "C" long __cdecl InterlockedIncrement( long* );
  57. extern "C" long __cdecl InterlockedDecrement( long* );
  58. extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
  59. extern "C" long __cdecl InterlockedExchange( long*, long );
  60. extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
  61. # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  62. # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  63. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  64. # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  65. # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  66. #endif
  67. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  68. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  69. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  70. ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  71. #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  72. #if defined( BOOST_MSVC ) && BOOST_MSVC >= 1500
  73. #include <intrin.h>
  74. #elif defined( __CLRCALL_PURE_OR_CDECL )
  75. extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedIncrement( long volatile * );
  76. extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedDecrement( long volatile * );
  77. extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedCompareExchange( long volatile *, long, long );
  78. extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchange( long volatile *, long );
  79. extern "C" long __CLRCALL_PURE_OR_CDECL _InterlockedExchangeAdd( long volatile *, long );
  80. #else
  81. extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  82. extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  83. extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  84. extern "C" long __cdecl _InterlockedExchange( long volatile *, long );
  85. extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long );
  86. #endif
  87. # if defined(_M_IA64) || defined(_M_AMD64)
  88. extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  89. extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  90. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  91. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  92. # else
  93. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  94. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  95. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  96. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  97. # endif
  98. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  99. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  100. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  101. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  102. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  103. // Unlike __MINGW64__, __MINGW64_VERSION_MAJOR is defined by MinGW-w64 for both 32 and 64-bit targets.
  104. #elif defined(__MINGW64_VERSION_MAJOR)
  105. // MinGW-w64 provides intrin.h for both 32 and 64-bit targets.
  106. #include <intrin.h>
  107. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  108. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  109. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  110. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  111. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  112. # if defined(__x86_64__) || defined(__x86_64)
  113. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  114. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  115. # else
  116. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  117. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  118. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  119. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  120. # endif
  121. #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
  122. #define BOOST_INTERLOCKED_IMPORT __declspec(dllimport)
  123. namespace boost
  124. {
  125. namespace detail
  126. {
  127. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedIncrement( long volatile * );
  128. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedDecrement( long volatile * );
  129. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedCompareExchange( long volatile *, long, long );
  130. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchange( long volatile *, long );
  131. extern "C" BOOST_INTERLOCKED_IMPORT long __stdcall InterlockedExchangeAdd( long volatile *, long );
  132. # if defined(_M_IA64) || defined(_M_AMD64)
  133. extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  134. extern "C" BOOST_INTERLOCKED_IMPORT void* __stdcall InterlockedExchangePointer( void* volatile *, void* );
  135. # endif
  136. } // namespace detail
  137. } // namespace boost
  138. # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
  139. # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
  140. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
  141. # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
  142. # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
  143. # if defined(_M_IA64) || defined(_M_AMD64)
  144. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER ::boost::detail::InterlockedCompareExchangePointer
  145. # define BOOST_INTERLOCKED_EXCHANGE_POINTER ::boost::detail::InterlockedExchangePointer
  146. # else
  147. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  148. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  149. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  150. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  151. # endif
  152. #else
  153. # error "Interlocked intrinsics not available"
  154. #endif
  155. #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED