boost/interprocess/detail/workaround.hpp
////////////////////////////////////////////////////////////////////////////// // // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost // Software License, Version 1.0. (See accompanying file // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) // // See http://www.boost.org/libs/interprocess for documentation. // ////////////////////////////////////////////////////////////////////////////// #ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP #define BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP #include <boost/interprocess/detail/config_begin.hpp> #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32) #define BOOST_INTERPROCESS_WINDOWS #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME //Define this to connect with shared memory created with versions < 1.54 //#define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME #else #include <unistd.h> #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED - 0) > 0) //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it. #if defined(__CYGWIN__) #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED //Mac Os X < Lion (10.7) might define _POSIX_THREAD_PROCESS_SHARED but there is no real support. #elif defined(__APPLE__) #include "TargetConditionals.h" //Check we're on Mac OS target #if defined(TARGET_OS_MAC) #include "AvailabilityMacros.h" //If minimum target for this compilation is older than Mac Os Lion, then we are out of luck #if MAC_OS_X_VERSION_MIN_REQUIRED < 1070 #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED #endif #endif #endif //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED) #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED #else #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED #endif #endif #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS - 0) > 0) #define BOOST_INTERPROCESS_POSIX_BARRIERS #endif #if defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES - 0) > 0) #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES #if defined(__CYGWIN__) #define BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK #endif //Some platforms have a limited (name length) named semaphore support #elif (defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || defined(__APPLE__) #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES #endif #if (defined (_V6_ILP32_OFFBIG) &&(_V6_ILP32_OFFBIG - 0 > 0)) ||\ (defined (_V6_LP64_OFF64) &&(_V6_LP64_OFF64 - 0 > 0)) ||\ (defined (_V6_LPBIG_OFFBIG) &&(_V6_LPBIG_OFFBIG - 0 > 0)) ||\ (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\ (defined (_XBS5_LP64_OFF64) &&(_XBS5_LP64_OFF64 - 0 > 0)) ||\ (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\ (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))||\ (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64)) #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T #endif //Check for XSI shared memory objects. They are available in nearly all UNIX platforms #if !defined(__QNXNTO__) && !defined(__ANDROID__) #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS #endif #if defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS - 0) > 0) #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS #else //VMS and MACOS don't define it but they have shm_open/close interface #if defined(__vms) #if __CRTL_VER >= 70200000 #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS #endif //Mac OS has some non-conformant features like names limited to SHM_NAME_MAX #elif defined (__APPLE__) //#define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS //#define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS_NO_GROW #endif #endif //Now check if we have only XSI shared memory #if defined(BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS) &&\ !defined(BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS) //#define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS_ONLY #endif #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS - 0) > 0) #define BOOST_INTERPROCESS_POSIX_TIMEOUTS #endif #ifdef BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS //Some systems have filesystem-based resources, so the //portable "/shmname" format does not work due to permission issues //For those systems we need to form a path to a temporary directory: // hp-ux tru64 vms freebsd #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7)) #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY //Some systems have "jailed" environments where shm usage is restricted at runtime //and temporary file file based shm is possible in those executions. #elif defined(__FreeBSD__) #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY #endif #endif #ifdef BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES #if defined(__osf__) || defined(__vms) #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES #endif #endif #if defined(_POSIX_VERSION) && defined(_XOPEN_VERSION) && \ (((_POSIX_VERSION + 0)>= 200112L || (_XOPEN_VERSION + 0)>= 500)) #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES #endif #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__) #define BOOST_INTERPROCESS_BSD_DERIVATIVE //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas //others (FreeBSD & Darwin) need sys/types.h #include <sys/types.h> #include <sys/param.h> #include <sys/sysctl.h> #if defined(CTL_KERN) && defined (KERN_BOOTTIME) //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME #endif #endif #endif //!defined(BOOST_INTERPROCESS_WINDOWS) #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) #define BOOST_INTERPROCESS_PERFECT_FORWARDING #endif //Now declare some Boost.Interprocess features depending on the implementation #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK) #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES #endif // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000 #endif //Other switches //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX //message queue uses a circular queue as index instead of an array (better performance) //Boost version < 1.52 uses an array, so undef this if you want to communicate //with processes compiled with those versions. #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX //Inline attributes #if defined(_MSC_VER) #define BOOST_INTERPROCESS_ALWAYS_INLINE __forceinline #elif defined (__GNUC__) #define BOOST_INTERPROCESS_ALWAYS_INLINE __attribute__((__always_inline__)) #else #define BOOST_INTERPROCESS_ALWAYS_INLINE inline #endif #if defined(_MSC_VER) #define BOOST_INTERPROCESS_NEVER_INLINE __declspec(noinline) #elif defined (__GNUC__) #define BOOST_INTERPROCESS_NEVER_INLINE __attribute__((__noinline__)) #endif #if defined(BOOST_NO_CXX11_NOEXCEPT) #if defined(BOOST_MSVC) #define BOOST_INTERPROCESS_NOEXCEPT throw() #else #define BOOST_INTERPROCESS_NOEXCEPT #endif #define BOOST_INTERPROCESS_NOEXCEPT_IF(x) #else #define BOOST_INTERPROCESS_NOEXCEPT noexcept #define BOOST_INTERPROCESS_NOEXCEPT_IF(x) noexcept(x) #endif #include <boost/interprocess/detail/config_end.hpp> #endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP