workaround.hpp 12 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(BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION) && defined(BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION)
  20. #error "BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION && BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION can't be defined at the same time"
  21. #endif
  22. //#define BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION
  23. #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
  24. #define BOOST_INTERPROCESS_WINDOWS
  25. #if !defined(BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION) && !defined(BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION)
  26. #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION
  27. #endif
  28. #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
  29. #else
  30. #include <unistd.h>
  31. //////////////////////////////////////////////////////
  32. //Check for XSI shared memory objects. They are available in nearly all UNIX platforms
  33. //////////////////////////////////////////////////////
  34. #if !defined(__QNXNTO__) && !defined(__ANDROID__) && !defined(__HAIKU__) && !(__VXWORKS__) && !(__EMSCRIPTEN__)
  35. #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
  36. #endif
  37. //////////////////////////////////////////////////////
  38. // From SUSv3/UNIX 98, pthread_mutexattr_settype is mandatory
  39. //////////////////////////////////////////////////////
  40. #if defined(_XOPEN_UNIX) && ((_XOPEN_VERSION + 0) >= 500)
  41. #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES
  42. #endif
  43. //////////////////////////////////////////////////////
  44. // _POSIX_THREAD_PROCESS_SHARED (POSIX.1b/POSIX.4)
  45. //////////////////////////////////////////////////////
  46. #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0)
  47. //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it.
  48. #if defined(__CYGWIN__)
  49. #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  50. #elif defined(__APPLE__)
  51. //The pthreads implementation of darwin stores a pointer to a mutex inside the condition
  52. //structure so real sharing between processes is broken. See:
  53. //https://opensource.apple.com/source/libpthread/libpthread-301.30.1/src/pthread_cond.c.auto.html
  54. //in method pthread_cond_wait
  55. #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  56. #endif
  57. //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it
  58. #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED)
  59. #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  60. #else
  61. #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
  62. #endif
  63. #endif
  64. //////////////////////////////////////////////////////
  65. // BOOST_INTERPROCESS_POSIX_ROBUST_MUTEXES
  66. //////////////////////////////////////////////////////
  67. #if (_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L)
  68. #define BOOST_INTERPROCESS_POSIX_ROBUST_MUTEXES
  69. #endif
  70. //////////////////////////////////////////////////////
  71. // _POSIX_SHARED_MEMORY_OBJECTS (POSIX.1b/POSIX.4)
  72. //////////////////////////////////////////////////////
  73. #if ( defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS + 0) > 0) ) ||\
  74. (defined(__vms) && __CRTL_VER >= 70200000)
  75. #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
  76. //Some systems have filesystem-based resources, so the
  77. //portable "/shmname" format does not work due to permission issues
  78. //For those systems we need to form a path to a temporary directory:
  79. // hp-ux tru64 vms freebsd
  80. #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7))
  81. #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
  82. //Some systems have "jailed" environments where shm usage is restricted at runtime
  83. //and temporary file based shm is possible in those executions.
  84. #elif defined(__FreeBSD__)
  85. #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
  86. #endif
  87. #endif
  88. //////////////////////////////////////////////////////
  89. // _POSIX_MAPPED_FILES (POSIX.1b/POSIX.4)
  90. //////////////////////////////////////////////////////
  91. #if defined(_POSIX_MAPPED_FILES) && ((_POSIX_MAPPED_FILES + 0) > 0)
  92. #define BOOST_INTERPROCESS_POSIX_MAPPED_FILES
  93. #endif
  94. //////////////////////////////////////////////////////
  95. // _POSIX_SEMAPHORES (POSIX.1b/POSIX.4)
  96. //////////////////////////////////////////////////////
  97. #if ( defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES + 0) > 0) ) ||\
  98. ( defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || \
  99. defined(__APPLE__)
  100. #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
  101. //MacOsX declares _POSIX_SEMAPHORES but sem_init returns ENOSYS
  102. #if !defined(__APPLE__)
  103. #define BOOST_INTERPROCESS_POSIX_UNNAMED_SEMAPHORES
  104. #endif
  105. #if defined(__osf__) || defined(__vms)
  106. #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES
  107. #endif
  108. #endif
  109. //////////////////////////////////////////////////////
  110. // _POSIX_BARRIERS (SUSv3/Unix03)
  111. //////////////////////////////////////////////////////
  112. #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS + 0) >= 200112L)
  113. #define BOOST_INTERPROCESS_POSIX_BARRIERS
  114. #endif
  115. //////////////////////////////////////////////////////
  116. // _POSIX_TIMEOUTS (SUSv3/Unix03)
  117. //////////////////////////////////////////////////////
  118. #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS + 0L) >= 200112L)
  119. #define BOOST_INTERPROCESS_POSIX_TIMEOUTS
  120. #endif
  121. //////////////////////////////////////////////////////
  122. // Detect BSD derivatives to detect sysctl
  123. //////////////////////////////////////////////////////
  124. #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
  125. #define BOOST_INTERPROCESS_BSD_DERIVATIVE
  126. //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas
  127. //others (FreeBSD & Darwin) need sys/types.h
  128. #include <sys/types.h>
  129. #include <sys/param.h>
  130. #include <sys/sysctl.h>
  131. #if defined(CTL_KERN) && defined (KERN_BOOTTIME)
  132. //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
  133. #endif
  134. #endif
  135. //////////////////////////////////////////////////////
  136. //64 bit offset
  137. //////////////////////////////////////////////////////
  138. #if (defined (_V6_ILP32_OFFBIG) &&(_V6_ILP32_OFFBIG - 0 > 0)) ||\
  139. (defined (_V6_LP64_OFF64) &&(_V6_LP64_OFF64 - 0 > 0)) ||\
  140. (defined (_V6_LPBIG_OFFBIG) &&(_V6_LPBIG_OFFBIG - 0 > 0)) ||\
  141. (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\
  142. (defined (_XBS5_LP64_OFF64) &&(_XBS5_LP64_OFF64 - 0 > 0)) ||\
  143. (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\
  144. (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))||\
  145. (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))
  146. #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T
  147. #endif
  148. //////////////////////////////////////////////////////
  149. //posix_fallocate
  150. //////////////////////////////////////////////////////
  151. #if (_XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L)
  152. #define BOOST_INTERPROCESS_POSIX_FALLOCATE
  153. #endif
  154. #endif //!defined(BOOST_INTERPROCESS_WINDOWS)
  155. #if defined(BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_POSIX_MAPPED_FILES)
  156. # define BOOST_INTERPROCESS_MAPPED_FILES
  157. #endif
  158. //Now declare some Boost.Interprocess features depending on the implementation
  159. #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK)
  160. #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES
  161. #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES
  162. #endif
  163. #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
  164. #define BOOST_INTERPROCESS_PERFECT_FORWARDING
  165. #endif
  166. // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set
  167. #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS
  168. #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000
  169. #endif
  170. // Max open or create tries with managed memory segments
  171. #ifndef BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_MAX_TRIES
  172. #define BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_MAX_TRIES 20u
  173. #endif
  174. // Maximum timeout in seconds with open or create tries with managed memory segments
  175. // waiting the creator to initialize the shared memory
  176. #ifndef BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_TIMEOUT_SEC
  177. #define BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_TIMEOUT_SEC 300u
  178. #endif
  179. //Other switches
  180. //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX
  181. //message queue uses a circular queue as index instead of an array (better performance)
  182. //Boost version < 1.52 uses an array, so undef this if you want to communicate
  183. //with processes compiled with those versions.
  184. #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX
  185. //Macros for documentation purposes. For code, expands to the argument
  186. #define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE
  187. #define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE
  188. #define BOOST_INTERPROCESS_DOC1ST(TYPE1, TYPE2) TYPE2
  189. #define BOOST_INTERPROCESS_I ,
  190. #define BOOST_INTERPROCESS_DOCIGN(T1) T1
  191. //#define BOOST_INTERPROCESS_DISABLE_FORCEINLINE
  192. #if defined(BOOST_INTERPROCESS_DISABLE_FORCEINLINE)
  193. #define BOOST_INTERPROCESS_FORCEINLINE inline
  194. #elif defined(BOOST_INTERPROCESS_FORCEINLINE_IS_BOOST_FORCELINE)
  195. #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
  196. #elif defined(BOOST_MSVC) && (_MSC_VER < 1900 || defined(_DEBUG))
  197. //"__forceinline" and MSVC seems to have some bugs in old versions and in debug mode
  198. #define BOOST_INTERPROCESS_FORCEINLINE inline
  199. #elif defined(BOOST_CLANG) || (defined(BOOST_GCC) && ((__GNUC__ <= 5) || defined(__MINGW32__)))
  200. //Older GCCs have problems with forceinline
  201. //Clang can have code bloat issues with forceinline, see
  202. //https://lists.boost.org/boost-users/2023/04/91445.php and
  203. //https://github.com/llvm/llvm-project/issues/62202
  204. #define BOOST_INTERPROCESS_FORCEINLINE inline
  205. #else
  206. #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
  207. #endif
  208. #ifdef BOOST_WINDOWS
  209. #define BOOST_INTERPROCESS_WCHAR_NAMED_RESOURCES
  210. #ifdef __clang__
  211. #define BOOST_INTERPROCESS_DISABLE_DEPRECATED_WARNING _Pragma("clang diagnostic push") \
  212. _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"")
  213. #define BOOST_INTERPROCESS_RESTORE_WARNING _Pragma("clang diagnostic pop")
  214. #else // __clang__
  215. #define BOOST_INTERPROCESS_DISABLE_DEPRECATED_WARNING __pragma(warning(push)) \
  216. __pragma(warning(disable : 4996))
  217. #define BOOST_INTERPROCESS_RESTORE_WARNING __pragma(warning(pop))
  218. #endif // __clang__
  219. #endif
  220. #if defined(BOOST_HAS_THREADS)
  221. # if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) || defined(__BORLANDC__)
  222. //no reentrant posix functions (eg: localtime_r)
  223. # elif (!defined(__hpux) || (defined(__hpux) && defined(_REENTRANT)))
  224. # define BOOST_INTERPROCESS_HAS_REENTRANT_STD_FUNCTIONS
  225. # endif
  226. #endif
  227. #include <boost/core/no_exceptions_support.hpp>
  228. #endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP