workaround.hpp 9.1 KB

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  1. //////////////////////////////////////////////////////////////////////////////
  2. //
  3. // (C) Copyright Ion Gaztanaga 2005-2015. Distributed under the Boost
  4. // Software License, Version 1.0. (See accompanying file
  5. // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
  6. //
  7. // See http://www.boost.org/libs/interprocess for documentation.
  8. //
  9. //////////////////////////////////////////////////////////////////////////////
  10. #ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP
  11. #define BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP
  12. #ifndef BOOST_CONFIG_HPP
  13. # include <boost/config.hpp>
  14. #endif
  15. #
  16. #if defined(BOOST_HAS_PRAGMA_ONCE)
  17. # pragma once
  18. #endif
  19. #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
  20. #define BOOST_INTERPROCESS_WINDOWS
  21. #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION
  22. #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
  23. //Define this to connect with shared memory created with versions < 1.54
  24. //#define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME
  25. #else
  26. #include <unistd.h>
  27. //////////////////////////////////////////////////////
  28. //Check for XSI shared memory objects. They are available in nearly all UNIX platforms
  29. //////////////////////////////////////////////////////
  30. #if !defined(__QNXNTO__) && !defined(__ANDROID__) && !defined(__HAIKU__) && !(__VXWORKS__)
  31. #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
  32. #endif
  33. //////////////////////////////////////////////////////
  34. // From SUSv3/UNIX 98, pthread_mutexattr_settype is mandatory
  35. //////////////////////////////////////////////////////
  36. #if defined(_XOPEN_UNIX) && ((_XOPEN_VERSION + 0) >= 500)
  37. #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES
  38. #endif
  39. //////////////////////////////////////////////////////
  40. // _POSIX_THREAD_PROCESS_SHARED (POSIX.1b/POSIX.4)
  41. //////////////////////////////////////////////////////
  42. #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0)
  43. //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it.
  44. #if defined(__CYGWIN__)
  45. #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  46. #elif defined(__APPLE__)
  47. //The pthreads implementation of darwin stores a pointer to a mutex inside the condition
  48. //structure so real sharing between processes is broken. See:
  49. //https://opensource.apple.com/source/libpthread/libpthread-301.30.1/src/pthread_cond.c.auto.html
  50. //in method pthread_cond_wait
  51. #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  52. #endif
  53. //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it
  54. #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED)
  55. #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  56. #else
  57. #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
  58. #endif
  59. #endif
  60. //////////////////////////////////////////////////////
  61. // _POSIX_SHARED_MEMORY_OBJECTS (POSIX.1b/POSIX.4)
  62. //////////////////////////////////////////////////////
  63. #if ( defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS + 0) > 0) ) ||\
  64. (defined(__vms) && __CRTL_VER >= 70200000)
  65. #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
  66. //Some systems have filesystem-based resources, so the
  67. //portable "/shmname" format does not work due to permission issues
  68. //For those systems we need to form a path to a temporary directory:
  69. // hp-ux tru64 vms freebsd
  70. #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7))
  71. #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
  72. //Some systems have "jailed" environments where shm usage is restricted at runtime
  73. //and temporary file based shm is possible in those executions.
  74. #elif defined(__FreeBSD__)
  75. #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
  76. #endif
  77. #endif
  78. //////////////////////////////////////////////////////
  79. // _POSIX_MAPPED_FILES (POSIX.1b/POSIX.4)
  80. //////////////////////////////////////////////////////
  81. #if defined(_POSIX_MAPPED_FILES) && ((_POSIX_MAPPED_FILES + 0) > 0)
  82. #define BOOST_INTERPROCESS_POSIX_MAPPED_FILES
  83. #endif
  84. //////////////////////////////////////////////////////
  85. // _POSIX_SEMAPHORES (POSIX.1b/POSIX.4)
  86. //////////////////////////////////////////////////////
  87. #if ( defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES + 0) > 0) ) ||\
  88. ( defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || \
  89. defined(__APPLE__)
  90. #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
  91. //MacOsX declares _POSIX_SEMAPHORES but sem_init returns ENOSYS
  92. #if !defined(__APPLE__)
  93. #define BOOST_INTERPROCESS_POSIX_UNNAMED_SEMAPHORES
  94. #endif
  95. #if defined(__osf__) || defined(__vms)
  96. #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES
  97. #endif
  98. #endif
  99. //////////////////////////////////////////////////////
  100. // _POSIX_BARRIERS (SUSv3/Unix03)
  101. //////////////////////////////////////////////////////
  102. #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS + 0) >= 200112L)
  103. #define BOOST_INTERPROCESS_POSIX_BARRIERS
  104. #endif
  105. //////////////////////////////////////////////////////
  106. // _POSIX_TIMEOUTS (SUSv3/Unix03)
  107. //////////////////////////////////////////////////////
  108. #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS + 0L) >= 200112L)
  109. #define BOOST_INTERPROCESS_POSIX_TIMEOUTS
  110. #endif
  111. //////////////////////////////////////////////////////
  112. // Detect BSD derivatives to detect sysctl
  113. //////////////////////////////////////////////////////
  114. #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
  115. #define BOOST_INTERPROCESS_BSD_DERIVATIVE
  116. //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas
  117. //others (FreeBSD & Darwin) need sys/types.h
  118. #include <sys/types.h>
  119. #include <sys/param.h>
  120. #include <sys/sysctl.h>
  121. #if defined(CTL_KERN) && defined (KERN_BOOTTIME)
  122. //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
  123. #endif
  124. #endif
  125. //////////////////////////////////////////////////////
  126. //64 bit offset
  127. //////////////////////////////////////////////////////
  128. #if (defined (_V6_ILP32_OFFBIG) &&(_V6_ILP32_OFFBIG - 0 > 0)) ||\
  129. (defined (_V6_LP64_OFF64) &&(_V6_LP64_OFF64 - 0 > 0)) ||\
  130. (defined (_V6_LPBIG_OFFBIG) &&(_V6_LPBIG_OFFBIG - 0 > 0)) ||\
  131. (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\
  132. (defined (_XBS5_LP64_OFF64) &&(_XBS5_LP64_OFF64 - 0 > 0)) ||\
  133. (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\
  134. (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))||\
  135. (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))
  136. #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T
  137. #endif
  138. #endif //!defined(BOOST_INTERPROCESS_WINDOWS)
  139. #if defined(BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_POSIX_MAPPED_FILES)
  140. # define BOOST_INTERPROCESS_MAPPED_FILES
  141. #endif
  142. //Now declare some Boost.Interprocess features depending on the implementation
  143. #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK)
  144. #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES
  145. #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES
  146. #endif
  147. #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
  148. #define BOOST_INTERPROCESS_PERFECT_FORWARDING
  149. #endif
  150. // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set
  151. #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS
  152. #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000
  153. #endif
  154. //Other switches
  155. //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX
  156. //message queue uses a circular queue as index instead of an array (better performance)
  157. //Boost version < 1.52 uses an array, so undef this if you want to communicate
  158. //with processes compiled with those versions.
  159. #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX
  160. //Macros for documentation purposes. For code, expands to the argument
  161. #define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE
  162. #define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE
  163. #define BOOST_INTERPROCESS_DOC1ST(TYPE1, TYPE2) TYPE2
  164. #define BOOST_INTERPROCESS_I ,
  165. #define BOOST_INTERPROCESS_DOCIGN(T1) T1
  166. //#define BOOST_INTERPROCESS_DISABLE_FORCEINLINE
  167. #if defined(BOOST_INTERPROCESS_DISABLE_FORCEINLINE)
  168. #define BOOST_INTERPROCESS_FORCEINLINE inline
  169. #elif defined(BOOST_INTERPROCESS_FORCEINLINE_IS_BOOST_FORCELINE)
  170. #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
  171. #elif defined(BOOST_MSVC) && defined(_DEBUG)
  172. //"__forceinline" and MSVC seems to have some bugs in debug mode
  173. #define BOOST_INTERPROCESS_FORCEINLINE inline
  174. #elif defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ < 5)))
  175. //Older GCCs have problems with forceinline
  176. #define BOOST_INTERPROCESS_FORCEINLINE inline
  177. #else
  178. #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
  179. #endif
  180. #endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP