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 11 #ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP 12 #define BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP 13 14 #ifndef BOOST_CONFIG_HPP 15 # include <boost/config.hpp> 16 #endif 17 # 18 #if defined(BOOST_HAS_PRAGMA_ONCE) 19 # pragma once 20 #endif 21 22 #if defined(BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION) && defined(BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION) 23 #error "BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION && BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION can't be defined at the same time" 24 #endif 25 26 //#define BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION 27 28 #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) 29 #define BOOST_INTERPROCESS_WINDOWS 30 #if !defined(BOOST_INTERPROCESS_FORCE_NATIVE_EMULATION) && !defined(BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION) 31 #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION 32 #endif 33 #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME 34 #else 35 #include <unistd.h> 36 37 ////////////////////////////////////////////////////// 38 //Check for XSI shared memory objects. They are available in nearly all UNIX platforms 39 ////////////////////////////////////////////////////// 40 #if !defined(__QNXNTO__) && !defined(__ANDROID__) && !defined(__HAIKU__) && !(__VXWORKS__) 41 #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS 42 #endif 43 44 ////////////////////////////////////////////////////// 45 // From SUSv3/UNIX 98, pthread_mutexattr_settype is mandatory 46 ////////////////////////////////////////////////////// 47 #if defined(_XOPEN_UNIX) && ((_XOPEN_VERSION + 0) >= 500) 48 #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES 49 #endif 50 51 ////////////////////////////////////////////////////// 52 // _POSIX_THREAD_PROCESS_SHARED (POSIX.1b/POSIX.4) 53 ////////////////////////////////////////////////////// 54 #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0) 55 //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it. 56 #if defined(__CYGWIN__) 57 #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED 58 #elif defined(__APPLE__) 59 //The pthreads implementation of darwin stores a pointer to a mutex inside the condition 60 //structure so real sharing between processes is broken. See: 61 //https://opensource.apple.com/source/libpthread/libpthread-301.30.1/src/pthread_cond.c.auto.html 62 //in method pthread_cond_wait 63 #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED 64 #endif 65 66 //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it 67 #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED) 68 #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED 69 #else 70 #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED 71 #endif 72 #endif 73 74 ////////////////////////////////////////////////////// 75 // BOOST_INTERPROCESS_POSIX_ROBUST_MUTEXES 76 ////////////////////////////////////////////////////// 77 #if (_XOPEN_SOURCE >= 700 || _POSIX_C_SOURCE >= 200809L) 78 #define BOOST_INTERPROCESS_POSIX_ROBUST_MUTEXES 79 #endif 80 81 ////////////////////////////////////////////////////// 82 // _POSIX_SHARED_MEMORY_OBJECTS (POSIX.1b/POSIX.4) 83 ////////////////////////////////////////////////////// 84 #if ( defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS + 0) > 0) ) ||\ 85 (defined(__vms) && __CRTL_VER >= 70200000) 86 #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS 87 //Some systems have filesystem-based resources, so the 88 //portable "/shmname" format does not work due to permission issues 89 //For those systems we need to form a path to a temporary directory: 90 // hp-ux tru64 vms freebsd 91 #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7)) 92 #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY 93 //Some systems have "jailed" environments where shm usage is restricted at runtime 94 //and temporary file based shm is possible in those executions. 95 #elif defined(__FreeBSD__) 96 #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY 97 #endif 98 #endif 99 100 ////////////////////////////////////////////////////// 101 // _POSIX_MAPPED_FILES (POSIX.1b/POSIX.4) 102 ////////////////////////////////////////////////////// 103 #if defined(_POSIX_MAPPED_FILES) && ((_POSIX_MAPPED_FILES + 0) > 0) 104 #define BOOST_INTERPROCESS_POSIX_MAPPED_FILES 105 #endif 106 107 ////////////////////////////////////////////////////// 108 // _POSIX_SEMAPHORES (POSIX.1b/POSIX.4) 109 ////////////////////////////////////////////////////// 110 #if ( defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES + 0) > 0) ) ||\ 111 ( defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || \ 112 defined(__APPLE__) 113 #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES 114 //MacOsX declares _POSIX_SEMAPHORES but sem_init returns ENOSYS 115 #if !defined(__APPLE__) 116 #define BOOST_INTERPROCESS_POSIX_UNNAMED_SEMAPHORES 117 #endif 118 #if defined(__osf__) || defined(__vms) 119 #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES 120 #endif 121 #endif 122 123 ////////////////////////////////////////////////////// 124 // _POSIX_BARRIERS (SUSv3/Unix03) 125 ////////////////////////////////////////////////////// 126 #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS + 0) >= 200112L) 127 #define BOOST_INTERPROCESS_POSIX_BARRIERS 128 #endif 129 130 ////////////////////////////////////////////////////// 131 // _POSIX_TIMEOUTS (SUSv3/Unix03) 132 ////////////////////////////////////////////////////// 133 #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS + 0L) >= 200112L) 134 #define BOOST_INTERPROCESS_POSIX_TIMEOUTS 135 #endif 136 137 ////////////////////////////////////////////////////// 138 // Detect BSD derivatives to detect sysctl 139 ////////////////////////////////////////////////////// 140 #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) 141 #define BOOST_INTERPROCESS_BSD_DERIVATIVE 142 //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas 143 //others (FreeBSD & Darwin) need sys/types.h 144 #include <sys/types.h> 145 #include <sys/param.h> 146 #include <sys/sysctl.h> 147 #if defined(CTL_KERN) && defined (KERN_BOOTTIME) 148 //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME 149 #endif 150 #endif 151 152 ////////////////////////////////////////////////////// 153 //64 bit offset 154 ////////////////////////////////////////////////////// 155 #if (defined (_V6_ILP32_OFFBIG) &&(_V6_ILP32_OFFBIG - 0 > 0)) ||\ 156 (defined (_V6_LP64_OFF64) &&(_V6_LP64_OFF64 - 0 > 0)) ||\ 157 (defined (_V6_LPBIG_OFFBIG) &&(_V6_LPBIG_OFFBIG - 0 > 0)) ||\ 158 (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\ 159 (defined (_XBS5_LP64_OFF64) &&(_XBS5_LP64_OFF64 - 0 > 0)) ||\ 160 (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\ 161 (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))||\ 162 (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64)) 163 #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T 164 #endif 165 166 ////////////////////////////////////////////////////// 167 //posix_fallocate 168 ////////////////////////////////////////////////////// 169 #if (_XOPEN_SOURCE >= 600 || _POSIX_C_SOURCE >= 200112L) 170 #define BOOST_INTERPROCESS_POSIX_FALLOCATE 171 #endif 172 173 #endif //!defined(BOOST_INTERPROCESS_WINDOWS) 174 175 #if defined(BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_POSIX_MAPPED_FILES) 176 # define BOOST_INTERPROCESS_MAPPED_FILES 177 #endif 178 179 //Now declare some Boost.Interprocess features depending on the implementation 180 #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK) 181 #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES 182 #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES 183 #endif 184 185 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) 186 #define BOOST_INTERPROCESS_PERFECT_FORWARDING 187 #endif 188 189 // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set 190 #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 191 #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000 192 #endif 193 194 195 // Max open or create tries with managed memory segments 196 #ifndef BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_MAX_TRIES 197 #define BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_MAX_TRIES 20u 198 #endif 199 200 // Maximum timeout in seconds with open or create tries with managed memory segments 201 // waiting the creator to initialize the shared memory 202 #ifndef BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_TIMEOUT_SEC 203 #define BOOST_INTERPROCESS_MANAGED_OPEN_OR_CREATE_INITIALIZE_TIMEOUT_SEC 300u 204 #endif 205 206 //Other switches 207 //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX 208 //message queue uses a circular queue as index instead of an array (better performance) 209 //Boost version < 1.52 uses an array, so undef this if you want to communicate 210 //with processes compiled with those versions. 211 #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX 212 213 //Macros for documentation purposes. For code, expands to the argument 214 #define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE 215 #define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE 216 #define BOOST_INTERPROCESS_DOC1ST(TYPE1, TYPE2) TYPE2 217 #define BOOST_INTERPROCESS_I , 218 #define BOOST_INTERPROCESS_DOCIGN(T1) T1 219 220 //#define BOOST_INTERPROCESS_DISABLE_FORCEINLINE 221 222 #if defined(BOOST_INTERPROCESS_DISABLE_FORCEINLINE) 223 #define BOOST_INTERPROCESS_FORCEINLINE inline 224 #elif defined(BOOST_INTERPROCESS_FORCEINLINE_IS_BOOST_FORCELINE) 225 #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE 226 #elif defined(BOOST_MSVC) && defined(_DEBUG) 227 //"__forceinline" and MSVC seems to have some bugs in debug mode 228 #define BOOST_INTERPROCESS_FORCEINLINE inline 229 #elif defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ < 5))) 230 //Older GCCs have problems with forceinline 231 #define BOOST_INTERPROCESS_FORCEINLINE inline 232 #else 233 #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE 234 #endif 235 236 #ifdef BOOST_WINDOWS 237 238 #define BOOST_INTERPROCESS_WCHAR_NAMED_RESOURCES 239 240 #ifdef __clang__ 241 #define BOOST_INTERPROCESS_DISABLE_DEPRECATED_WARNING _Pragma("clang diagnostic push") \ 242 _Pragma("clang diagnostic ignored \"-Wdeprecated-declarations\"") 243 #define BOOST_INTERPROCESS_RESTORE_WARNING _Pragma("clang diagnostic pop") 244 #else // __clang__ 245 #define BOOST_INTERPROCESS_DISABLE_DEPRECATED_WARNING __pragma(warning(push)) \ 246 __pragma(warning(disable : 4996)) 247 #define BOOST_INTERPROCESS_RESTORE_WARNING __pragma(warning(pop)) 248 #endif // __clang__ 249 250 #endif 251 252 #if defined(BOOST_HAS_THREADS) 253 # if defined(_MSC_VER) || defined(__MWERKS__) || defined(__MINGW32__) || defined(__BORLANDC__) 254 //no reentrant posix functions (eg: localtime_r) 255 # elif (!defined(__hpux) || (defined(__hpux) && defined(_REENTRANT))) 256 # define BOOST_INTERPROCESS_HAS_REENTRANT_STD_FUNCTIONS 257 # endif 258 #endif 259 260 #include <boost/core/no_exceptions_support.hpp> 261 262 #endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP 263