209 lines
9.4 KiB
C++
209 lines
9.4 KiB
C++
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//////////////////////////////////////////////////////////////////////////////
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//
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// (C) Copyright Ion Gaztanaga 2005-2015. Distributed under the Boost
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// Software License, Version 1.0. (See accompanying file
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// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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// See http://www.boost.org/libs/interprocess for documentation.
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//
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//////////////////////////////////////////////////////////////////////////////
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#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP
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#define BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP
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#ifndef BOOST_CONFIG_HPP
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# include <boost/config.hpp>
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#endif
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#
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#if defined(BOOST_HAS_PRAGMA_ONCE)
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# pragma once
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#endif
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#if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
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#define BOOST_INTERPROCESS_WINDOWS
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#define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION
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#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
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//Define this to connect with shared memory created with versions < 1.54
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//#define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME
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#else
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#include <unistd.h>
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//////////////////////////////////////////////////////
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//Check for XSI shared memory objects. They are available in nearly all UNIX platforms
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//////////////////////////////////////////////////////
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#if !defined(__QNXNTO__) && !defined(__ANDROID__) && !defined(__HAIKU__)
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#define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
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#endif
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//////////////////////////////////////////////////////
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// From SUSv3/UNIX 98, pthread_mutexattr_settype is mandatory
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//////////////////////////////////////////////////////
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#if defined(_XOPEN_UNIX) && ((_XOPEN_VERSION + 0) >= 500)
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#define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES
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#endif
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//////////////////////////////////////////////////////
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// _POSIX_THREAD_PROCESS_SHARED (POSIX.1b/POSIX.4)
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//////////////////////////////////////////////////////
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#if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0)
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//Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it.
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#if defined(__CYGWIN__)
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#define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
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//Mac Os X < Lion (10.7) might define _POSIX_THREAD_PROCESS_SHARED but there is no real support.
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#elif defined(__APPLE__)
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#include "TargetConditionals.h"
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//Check we're on Mac OS target
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#if defined(TARGET_OS_MAC)
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#include "AvailabilityMacros.h"
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//If minimum target for this compilation is older than Mac Os Lion, then we are out of luck
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#if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
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#define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
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#endif
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#endif
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#endif
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//If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it
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#if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED)
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#undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
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#else
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#define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
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#endif
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#endif
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//////////////////////////////////////////////////////
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// _POSIX_SHARED_MEMORY_OBJECTS (POSIX.1b/POSIX.4)
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//////////////////////////////////////////////////////
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#if ( defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS + 0) > 0) ) ||\
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(defined(__vms) && __CRTL_VER >= 70200000)
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#define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
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//Some systems have filesystem-based resources, so the
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//portable "/shmname" format does not work due to permission issues
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//For those systems we need to form a path to a temporary directory:
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// hp-ux tru64 vms freebsd
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#if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7))
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#define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
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//Some systems have "jailed" environments where shm usage is restricted at runtime
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//and temporary file based shm is possible in those executions.
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#elif defined(__FreeBSD__)
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#define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
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#endif
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#endif
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//////////////////////////////////////////////////////
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// _POSIX_MAPPED_FILES (POSIX.1b/POSIX.4)
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//////////////////////////////////////////////////////
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#if defined(_POSIX_MAPPED_FILES) && ((_POSIX_MAPPED_FILES + 0) > 0)
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#define BOOST_INTERPROCESS_POSIX_MAPPED_FILES
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#endif
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//////////////////////////////////////////////////////
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// _POSIX_SEMAPHORES (POSIX.1b/POSIX.4)
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//////////////////////////////////////////////////////
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#if ( defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES + 0) > 0) ) ||\
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( defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || \
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defined(__APPLE__)
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#define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
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//MacOsX declares _POSIX_SEMAPHORES but sem_init returns ENOSYS
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#if !defined(__APPLE__)
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#define BOOST_INTERPROCESS_POSIX_UNNAMED_SEMAPHORES
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#endif
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#if defined(__osf__) || defined(__vms)
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#define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES
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#endif
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#endif
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//////////////////////////////////////////////////////
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// _POSIX_BARRIERS (SUSv3/Unix03)
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//////////////////////////////////////////////////////
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#if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS + 0) >= 200112L)
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#define BOOST_INTERPROCESS_POSIX_BARRIERS
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#endif
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//////////////////////////////////////////////////////
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// _POSIX_TIMEOUTS (SUSv3/Unix03)
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//////////////////////////////////////////////////////
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#if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS + 0L) >= 200112L)
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#define BOOST_INTERPROCESS_POSIX_TIMEOUTS
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#endif
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//////////////////////////////////////////////////////
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// Detect BSD derivatives to detect sysctl
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//////////////////////////////////////////////////////
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#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
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#define BOOST_INTERPROCESS_BSD_DERIVATIVE
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//Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas
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//others (FreeBSD & Darwin) need sys/types.h
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#include <sys/types.h>
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#if defined(CTL_KERN) && defined (KERN_BOOTTIME)
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//#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
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#endif
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#endif
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//////////////////////////////////////////////////////
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//64 bit offset
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//////////////////////////////////////////////////////
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#if (defined (_V6_ILP32_OFFBIG) &&(_V6_ILP32_OFFBIG - 0 > 0)) ||\
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(defined (_V6_LP64_OFF64) &&(_V6_LP64_OFF64 - 0 > 0)) ||\
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(defined (_V6_LPBIG_OFFBIG) &&(_V6_LPBIG_OFFBIG - 0 > 0)) ||\
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(defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\
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(defined (_XBS5_LP64_OFF64) &&(_XBS5_LP64_OFF64 - 0 > 0)) ||\
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(defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\
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(defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))||\
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(defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS - 0 >= 64))
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#define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T
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#endif
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#endif //!defined(BOOST_INTERPROCESS_WINDOWS)
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#if defined(BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_POSIX_MAPPED_FILES)
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# define BOOST_INTERPROCESS_MAPPED_FILES
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#endif
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//Now declare some Boost.Interprocess features depending on the implementation
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#if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK)
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#define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES
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#define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES
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#endif
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#if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
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#define BOOST_INTERPROCESS_PERFECT_FORWARDING
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#endif
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// Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set
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#ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS
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#define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000
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#endif
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//Other switches
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//BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX
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//message queue uses a circular queue as index instead of an array (better performance)
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//Boost version < 1.52 uses an array, so undef this if you want to communicate
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//with processes compiled with those versions.
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#define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX
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//Macros for documentation purposes. For code, expands to the argument
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#define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE
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#define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE
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#define BOOST_INTERPROCESS_DOC1ST(TYPE1, TYPE2) TYPE2
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#define BOOST_INTERPROCESS_I ,
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#define BOOST_INTERPROCESS_DOCIGN(T1) T1
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//#define BOOST_INTERPROCESS_DISABLE_FORCEINLINE
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#if defined(BOOST_INTERPROCESS_DISABLE_FORCEINLINE)
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#define BOOST_INTERPROCESS_FORCEINLINE inline
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#elif defined(BOOST_INTERPROCESS_FORCEINLINE_IS_BOOST_FORCELINE)
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#define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
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#elif defined(BOOST_MSVC) && defined(_DEBUG)
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//"__forceinline" and MSVC seems to have some bugs in debug mode
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#define BOOST_INTERPROCESS_FORCEINLINE inline
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#elif defined(__GNUC__) && ((__GNUC__ < 4) || (__GNUC__ == 4 && (__GNUC_MINOR__ < 5)))
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//Older GCCs have problems with forceinline
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#define BOOST_INTERPROCESS_FORCEINLINE inline
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#else
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#define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
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#endif
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#endif //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP
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