Chris@16: ////////////////////////////////////////////////////////////////////////////// Chris@16: // Chris@16: // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost Chris@16: // Software License, Version 1.0. (See accompanying file Chris@16: // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) Chris@16: // Chris@16: // See http://www.boost.org/libs/interprocess for documentation. Chris@16: // Chris@16: ////////////////////////////////////////////////////////////////////////////// Chris@16: Chris@16: #ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP Chris@16: #define BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP Chris@16: Chris@101: #ifndef BOOST_CONFIG_HPP Chris@101: # include Chris@101: #endif Chris@101: # Chris@101: #if defined(BOOST_HAS_PRAGMA_ONCE) Chris@101: # pragma once Chris@101: #endif Chris@101: Chris@16: #include Chris@16: Chris@16: #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) Chris@16: #define BOOST_INTERPROCESS_WINDOWS Chris@16: #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION Chris@16: #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME Chris@16: //Define this to connect with shared memory created with versions < 1.54 Chris@16: //#define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME Chris@16: #else Chris@16: #include Chris@16: Chris@101: ////////////////////////////////////////////////////// Chris@101: //Check for XSI shared memory objects. They are available in nearly all UNIX platforms Chris@101: ////////////////////////////////////////////////////// Chris@101: #if !defined(__QNXNTO__) && !defined(__ANDROID__) && !defined(__HAIKU__) Chris@101: #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS Chris@101: #endif Chris@101: Chris@101: ////////////////////////////////////////////////////// Chris@101: // From SUSv3/UNIX 98, pthread_mutexattr_settype is mandatory Chris@101: ////////////////////////////////////////////////////// Chris@101: #if defined(_XOPEN_UNIX) && ((_XOPEN_VERSION + 0) >= 500) Chris@101: #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES Chris@101: #endif Chris@101: Chris@101: ////////////////////////////////////////////////////// Chris@101: // _POSIX_THREAD_PROCESS_SHARED (POSIX.1b/POSIX.4) Chris@101: ////////////////////////////////////////////////////// Chris@101: #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0) Chris@16: //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it. Chris@16: #if defined(__CYGWIN__) Chris@16: #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED Chris@16: //Mac Os X < Lion (10.7) might define _POSIX_THREAD_PROCESS_SHARED but there is no real support. Chris@16: #elif defined(__APPLE__) Chris@16: #include "TargetConditionals.h" Chris@16: //Check we're on Mac OS target Chris@16: #if defined(TARGET_OS_MAC) Chris@16: #include "AvailabilityMacros.h" Chris@16: //If minimum target for this compilation is older than Mac Os Lion, then we are out of luck Chris@16: #if MAC_OS_X_VERSION_MIN_REQUIRED < 1070 Chris@16: #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED Chris@16: #endif Chris@16: #endif Chris@16: #endif Chris@16: Chris@16: //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it Chris@16: #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED) Chris@16: #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED Chris@16: #else Chris@16: #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED Chris@16: #endif Chris@16: #endif Chris@16: Chris@101: ////////////////////////////////////////////////////// Chris@101: // _POSIX_SHARED_MEMORY_OBJECTS (POSIX.1b/POSIX.4) Chris@101: ////////////////////////////////////////////////////// Chris@101: #if ( defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS + 0) > 0) ) ||\ Chris@101: (defined(__vms) && __CRTL_VER >= 70200000) Chris@16: #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS Chris@16: //Some systems have filesystem-based resources, so the Chris@16: //portable "/shmname" format does not work due to permission issues Chris@16: //For those systems we need to form a path to a temporary directory: Chris@16: // hp-ux tru64 vms freebsd Chris@16: #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7)) Chris@16: #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY Chris@16: //Some systems have "jailed" environments where shm usage is restricted at runtime Chris@101: //and temporary file based shm is possible in those executions. Chris@16: #elif defined(__FreeBSD__) Chris@16: #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY Chris@16: #endif Chris@16: #endif Chris@16: Chris@101: ////////////////////////////////////////////////////// Chris@101: // _POSIX_MAPPED_FILES (POSIX.1b/POSIX.4) Chris@101: ////////////////////////////////////////////////////// Chris@101: #if defined(_POSIX_MAPPED_FILES) && ((_POSIX_MAPPED_FILES + 0) > 0) Chris@101: #define BOOST_INTERPROCESS_POSIX_MAPPED_FILES Chris@101: #endif Chris@101: Chris@101: ////////////////////////////////////////////////////// Chris@101: // _POSIX_SEMAPHORES (POSIX.1b/POSIX.4) Chris@101: ////////////////////////////////////////////////////// Chris@101: #if ( defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES + 0) > 0) ) ||\ Chris@101: ( defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || \ Chris@101: defined(__APPLE__) Chris@101: #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES Chris@101: //MacOsX declares _POSIX_SEMAPHORES but sem_init returns ENOSYS Chris@101: #if !defined(__APPLE__) Chris@101: #define BOOST_INTERPROCESS_POSIX_UNNAMED_SEMAPHORES Chris@101: #endif Chris@16: #if defined(__osf__) || defined(__vms) Chris@16: #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES Chris@16: #endif Chris@16: #endif Chris@16: Chris@101: ////////////////////////////////////////////////////// Chris@101: // _POSIX_BARRIERS (SUSv3/Unix03) Chris@101: ////////////////////////////////////////////////////// Chris@101: #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS + 0) >= 200112L) Chris@101: #define BOOST_INTERPROCESS_POSIX_BARRIERS Chris@16: #endif Chris@16: Chris@101: ////////////////////////////////////////////////////// Chris@101: // _POSIX_TIMEOUTS (SUSv3/Unix03) Chris@101: ////////////////////////////////////////////////////// Chris@101: #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS + 0L) >= 200112L) Chris@101: #define BOOST_INTERPROCESS_POSIX_TIMEOUTS Chris@101: #endif Chris@101: Chris@101: ////////////////////////////////////////////////////// Chris@101: // Detect BSD derivatives to detect sysctl Chris@101: ////////////////////////////////////////////////////// Chris@16: #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) Chris@16: #define BOOST_INTERPROCESS_BSD_DERIVATIVE Chris@16: //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas Chris@16: //others (FreeBSD & Darwin) need sys/types.h Chris@16: #include Chris@16: #include Chris@16: #include Chris@16: #if defined(CTL_KERN) && defined (KERN_BOOTTIME) Chris@16: //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME Chris@16: #endif Chris@16: #endif Chris@101: Chris@101: ////////////////////////////////////////////////////// Chris@101: //64 bit offset Chris@101: ////////////////////////////////////////////////////// Chris@101: #if (defined (_V6_ILP32_OFFBIG) &&(_V6_ILP32_OFFBIG - 0 > 0)) ||\ Chris@101: (defined (_V6_LP64_OFF64) &&(_V6_LP64_OFF64 - 0 > 0)) ||\ Chris@101: (defined (_V6_LPBIG_OFFBIG) &&(_V6_LPBIG_OFFBIG - 0 > 0)) ||\ Chris@101: (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\ Chris@101: (defined (_XBS5_LP64_OFF64) &&(_XBS5_LP64_OFF64 - 0 > 0)) ||\ Chris@101: (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\ Chris@101: (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))||\ Chris@101: (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64)) Chris@101: #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T Chris@101: #endif Chris@16: #endif //!defined(BOOST_INTERPROCESS_WINDOWS) Chris@16: Chris@101: #if defined(BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_POSIX_MAPPED_FILES) Chris@101: # define BOOST_INTERPROCESS_MAPPED_FILES Chris@16: #endif Chris@16: Chris@16: //Now declare some Boost.Interprocess features depending on the implementation Chris@16: #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK) Chris@16: #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES Chris@16: #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES Chris@16: #endif Chris@16: Chris@101: #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) Chris@101: #define BOOST_INTERPROCESS_PERFECT_FORWARDING Chris@101: #endif Chris@101: Chris@16: // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set Chris@16: #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS Chris@16: #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000 Chris@16: #endif Chris@16: Chris@16: //Other switches Chris@16: //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX Chris@16: //message queue uses a circular queue as index instead of an array (better performance) Chris@16: //Boost version < 1.52 uses an array, so undef this if you want to communicate Chris@16: //with processes compiled with those versions. Chris@16: #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX Chris@16: Chris@101: //Macros for documentation purposes. For code, expands to the argument Chris@101: #define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE Chris@101: #define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE Chris@16: Chris@16: #include Chris@16: Chris@16: #endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP