caps_gcc_atomic.hpp 4.4 KB

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  1. /*
  2. * Distributed under the Boost Software License, Version 1.0.
  3. * (See accompanying file LICENSE_1_0.txt or copy at
  4. * http://www.boost.org/LICENSE_1_0.txt)
  5. *
  6. * Copyright (c) 2014 Andrey Semashev
  7. */
  8. /*!
  9. * \file atomic/detail/caps_gcc_atomic.hpp
  10. *
  11. * This header defines feature capabilities macros
  12. */
  13. #ifndef BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
  14. #define BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_
  15. #include <boost/atomic/detail/config.hpp>
  16. #include <boost/atomic/detail/int_sizes.hpp>
  17. #if defined(__i386__) || defined(__x86_64__)
  18. #include <boost/atomic/detail/hwcaps_gcc_x86.hpp>
  19. #elif defined(__arm__)
  20. #include <boost/atomic/detail/hwcaps_gcc_arm.hpp>
  21. #elif defined(__POWERPC__) || defined(__PPC__)
  22. #include <boost/atomic/detail/hwcaps_gcc_ppc.hpp>
  23. #endif
  24. #ifdef BOOST_HAS_PRAGMA_ONCE
  25. #pragma once
  26. #endif
  27. #if defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG16B) && (defined(BOOST_HAS_INT128) || !defined(BOOST_NO_ALIGNMENT))
  28. #define BOOST_ATOMIC_INT128_LOCK_FREE 2
  29. #else
  30. #define BOOST_ATOMIC_INT128_LOCK_FREE 0
  31. #endif
  32. #if (__GCC_ATOMIC_LLONG_LOCK_FREE == 2) || (defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B) && BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8)
  33. #define BOOST_ATOMIC_LLONG_LOCK_FREE 2
  34. #else
  35. #define BOOST_ATOMIC_LLONG_LOCK_FREE BOOST_ATOMIC_INT128_LOCK_FREE
  36. #endif
  37. #if (__GCC_ATOMIC_LONG_LOCK_FREE == 2) || (defined(BOOST_ATOMIC_DETAIL_X86_HAS_CMPXCHG8B) && BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8)
  38. #define BOOST_ATOMIC_LONG_LOCK_FREE 2
  39. #else
  40. #define BOOST_ATOMIC_LONG_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
  41. #endif
  42. #if __GCC_ATOMIC_INT_LOCK_FREE == 2
  43. #define BOOST_ATOMIC_INT_LOCK_FREE 2
  44. #else
  45. #define BOOST_ATOMIC_INT_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
  46. #endif
  47. #if __GCC_ATOMIC_SHORT_LOCK_FREE == 2
  48. #define BOOST_ATOMIC_SHORT_LOCK_FREE 2
  49. #else
  50. #define BOOST_ATOMIC_SHORT_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
  51. #endif
  52. #if __GCC_ATOMIC_CHAR_LOCK_FREE == 2
  53. #define BOOST_ATOMIC_CHAR_LOCK_FREE 2
  54. #else
  55. #define BOOST_ATOMIC_CHAR_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
  56. #endif
  57. #if __GCC_ATOMIC_POINTER_LOCK_FREE == 2
  58. #define BOOST_ATOMIC_POINTER_LOCK_FREE 2
  59. #else
  60. #define BOOST_ATOMIC_POINTER_LOCK_FREE 0
  61. #endif
  62. #define BOOST_ATOMIC_INT8_LOCK_FREE BOOST_ATOMIC_CHAR_LOCK_FREE
  63. #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 2
  64. #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
  65. #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 2
  66. #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
  67. #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 2
  68. #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
  69. #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 2
  70. #define BOOST_ATOMIC_INT16_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
  71. #else
  72. #define BOOST_ATOMIC_INT16_LOCK_FREE 0
  73. #endif
  74. #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 4
  75. #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
  76. #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 4
  77. #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
  78. #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 4
  79. #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
  80. #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 4
  81. #define BOOST_ATOMIC_INT32_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
  82. #else
  83. #define BOOST_ATOMIC_INT32_LOCK_FREE 0
  84. #endif
  85. #if BOOST_ATOMIC_DETAIL_SIZEOF_SHORT == 8
  86. #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_SHORT_LOCK_FREE
  87. #elif BOOST_ATOMIC_DETAIL_SIZEOF_INT == 8
  88. #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_INT_LOCK_FREE
  89. #elif BOOST_ATOMIC_DETAIL_SIZEOF_LONG == 8
  90. #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LONG_LOCK_FREE
  91. #elif BOOST_ATOMIC_DETAIL_SIZEOF_LLONG == 8
  92. #define BOOST_ATOMIC_INT64_LOCK_FREE BOOST_ATOMIC_LLONG_LOCK_FREE
  93. #else
  94. #define BOOST_ATOMIC_INT64_LOCK_FREE 0
  95. #endif
  96. #if __GCC_ATOMIC_WCHAR_T_LOCK_FREE == 2
  97. #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 2
  98. #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 8
  99. #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT64_LOCK_FREE
  100. #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 4
  101. #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
  102. #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 2
  103. #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
  104. #elif BOOST_ATOMIC_DETAIL_SIZEOF_WCHAR_T == 1
  105. #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE BOOST_ATOMIC_INT8_LOCK_FREE
  106. #else
  107. #define BOOST_ATOMIC_WCHAR_T_LOCK_FREE 0
  108. #endif
  109. #define BOOST_ATOMIC_CHAR32_T_LOCK_FREE BOOST_ATOMIC_INT32_LOCK_FREE
  110. #define BOOST_ATOMIC_CHAR16_T_LOCK_FREE BOOST_ATOMIC_INT16_LOCK_FREE
  111. #define BOOST_ATOMIC_THREAD_FENCE 2
  112. #define BOOST_ATOMIC_SIGNAL_FENCE 2
  113. #endif // BOOST_ATOMIC_DETAIL_CAPS_GCC_ATOMIC_HPP_INCLUDED_