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//////////////////////////////////////////////////////////////////////////////
//
// (C) Copyright Ion Gaztanaga 2005-2011. 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
#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.
//Mac Os X >= Leopard defines _POSIX_THREAD_PROCESS_SHARED but does not seems to work.
#if !defined(__CYGWIN__) && !defined(__APPLE__)
#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__)
#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
#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
#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_RVALUE_REFERENCES) && !defined(BOOST_NO_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
#include <boost/interprocess/detail/config_end.hpp>
#endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP
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