interlocked.hpp 5.2 KB

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  1. #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  2. #define BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED
  3. // MS compatible compilers support #pragma once
  4. #if defined(_MSC_VER) && (_MSC_VER >= 1020)
  5. # pragma once
  6. #endif
  7. //
  8. // boost/detail/interlocked.hpp
  9. //
  10. // Copyright 2005 Peter Dimov
  11. //
  12. // Distributed under the Boost Software License, Version 1.0. (See
  13. // accompanying file LICENSE_1_0.txt or copy at
  14. // http://www.boost.org/LICENSE_1_0.txt)
  15. //
  16. #include <boost/config.hpp>
  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(_WIN32_WCE)
  27. // under Windows CE we still have old-style Interlocked* functions
  28. extern "C" long __cdecl InterlockedIncrement( long* );
  29. extern "C" long __cdecl InterlockedDecrement( long* );
  30. extern "C" long __cdecl InterlockedCompareExchange( long*, long, long );
  31. extern "C" long __cdecl InterlockedExchange( long*, long );
  32. extern "C" long __cdecl InterlockedExchangeAdd( long*, long );
  33. # define BOOST_INTERLOCKED_INCREMENT InterlockedIncrement
  34. # define BOOST_INTERLOCKED_DECREMENT InterlockedDecrement
  35. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE InterlockedCompareExchange
  36. # define BOOST_INTERLOCKED_EXCHANGE InterlockedExchange
  37. # define BOOST_INTERLOCKED_EXCHANGE_ADD InterlockedExchangeAdd
  38. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  39. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long*)(dest),(long)(exchange),(long)(compare)))
  40. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  41. ((void*)BOOST_INTERLOCKED_EXCHANGE((long*)(dest),(long)(exchange)))
  42. #elif defined( BOOST_MSVC ) || defined( BOOST_INTEL_WIN )
  43. extern "C" long __cdecl _InterlockedIncrement( long volatile * );
  44. extern "C" long __cdecl _InterlockedDecrement( long volatile * );
  45. extern "C" long __cdecl _InterlockedCompareExchange( long volatile *, long, long );
  46. extern "C" long __cdecl _InterlockedExchange( long volatile *, long);
  47. extern "C" long __cdecl _InterlockedExchangeAdd( long volatile *, long);
  48. # pragma intrinsic( _InterlockedIncrement )
  49. # pragma intrinsic( _InterlockedDecrement )
  50. # pragma intrinsic( _InterlockedCompareExchange )
  51. # pragma intrinsic( _InterlockedExchange )
  52. # pragma intrinsic( _InterlockedExchangeAdd )
  53. # if defined(_M_IA64) || defined(_M_AMD64)
  54. extern "C" void* __cdecl _InterlockedCompareExchangePointer( void* volatile *, void*, void* );
  55. extern "C" void* __cdecl _InterlockedExchangePointer( void* volatile *, void* );
  56. # pragma intrinsic( _InterlockedCompareExchangePointer )
  57. # pragma intrinsic( _InterlockedExchangePointer )
  58. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER _InterlockedCompareExchangePointer
  59. # define BOOST_INTERLOCKED_EXCHANGE_POINTER _InterlockedExchangePointer
  60. # else
  61. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  62. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  63. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  64. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  65. # endif
  66. # define BOOST_INTERLOCKED_INCREMENT _InterlockedIncrement
  67. # define BOOST_INTERLOCKED_DECREMENT _InterlockedDecrement
  68. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE _InterlockedCompareExchange
  69. # define BOOST_INTERLOCKED_EXCHANGE _InterlockedExchange
  70. # define BOOST_INTERLOCKED_EXCHANGE_ADD _InterlockedExchangeAdd
  71. #elif defined( WIN32 ) || defined( _WIN32 ) || defined( __WIN32__ ) || defined( __CYGWIN__ )
  72. namespace boost
  73. {
  74. namespace detail
  75. {
  76. extern "C" __declspec(dllimport) long __stdcall InterlockedIncrement( long volatile * );
  77. extern "C" __declspec(dllimport) long __stdcall InterlockedDecrement( long volatile * );
  78. extern "C" __declspec(dllimport) long __stdcall InterlockedCompareExchange( long volatile *, long, long );
  79. extern "C" __declspec(dllimport) long __stdcall InterlockedExchange( long volatile *, long );
  80. extern "C" __declspec(dllimport) long __stdcall InterlockedExchangeAdd( long volatile *, long );
  81. } // namespace detail
  82. } // namespace boost
  83. # define BOOST_INTERLOCKED_INCREMENT ::boost::detail::InterlockedIncrement
  84. # define BOOST_INTERLOCKED_DECREMENT ::boost::detail::InterlockedDecrement
  85. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE ::boost::detail::InterlockedCompareExchange
  86. # define BOOST_INTERLOCKED_EXCHANGE ::boost::detail::InterlockedExchange
  87. # define BOOST_INTERLOCKED_EXCHANGE_ADD ::boost::detail::InterlockedExchangeAdd
  88. # define BOOST_INTERLOCKED_COMPARE_EXCHANGE_POINTER(dest,exchange,compare) \
  89. ((void*)BOOST_INTERLOCKED_COMPARE_EXCHANGE((long volatile*)(dest),(long)(exchange),(long)(compare)))
  90. # define BOOST_INTERLOCKED_EXCHANGE_POINTER(dest,exchange) \
  91. ((void*)BOOST_INTERLOCKED_EXCHANGE((long volatile*)(dest),(long)(exchange)))
  92. #else
  93. # error "Interlocked intrinsics not available"
  94. #endif
  95. #endif // #ifndef BOOST_DETAIL_INTERLOCKED_HPP_INCLUDED