ceph/src/boost/libs/interprocess/include/boost/interprocess/detail/workaround.hpp

   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(_WIN32) || defined(__WIN32__) || defined(WIN32)
  23    #define BOOST_INTERPROCESS_WINDOWS
  24    #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION
  25    #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
  26    //Define this to connect with shared memory created with versions < 1.54
  27    //#define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME
  28 #else
  29    #include <unistd.h>
  30
  31    //////////////////////////////////////////////////////
  32    //Check for XSI shared memory objects. They are available in nearly all UNIX platforms
  33    //////////////////////////////////////////////////////
  34    #if !defined(__QNXNTO__) && !defined(__ANDROID__) && !defined(__HAIKU__)
  35       #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
  36    #endif
  37
  38    //////////////////////////////////////////////////////
  39    // From SUSv3/UNIX 98, pthread_mutexattr_settype is mandatory
  40    //////////////////////////////////////////////////////
  41    #if defined(_XOPEN_UNIX) && ((_XOPEN_VERSION + 0) >= 500)
  42       #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES
  43    #endif
  44
  45    //////////////////////////////////////////////////////
  46    // _POSIX_THREAD_PROCESS_SHARED (POSIX.1b/POSIX.4)
  47    //////////////////////////////////////////////////////
  48    #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED + 0) > 0)
  49       //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it.
  50       #if defined(__CYGWIN__)
  51          #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  52       //Mac Os X < Lion (10.7) might define _POSIX_THREAD_PROCESS_SHARED but there is no real support.
  53       #elif defined(__APPLE__)
  54          #include "TargetConditionals.h"
  55          //Check we're on Mac OS target
  56          #if defined(TARGET_OS_MAC)
  57             #include "AvailabilityMacros.h"
  58             //If minimum target for this compilation is older than Mac Os Lion, then we are out of luck
  59             #if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
  60                #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  61             #endif
  62          #endif
  63       #endif
  64
  65       //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it
  66       #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED)
  67          #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
  68       #else
  69          #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
  70       #endif
  71    #endif
  72
  73    //////////////////////////////////////////////////////
  74    // _POSIX_SHARED_MEMORY_OBJECTS (POSIX.1b/POSIX.4)
  75    //////////////////////////////////////////////////////
  76    #if ( defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS + 0) > 0) ) ||\
  77          (defined(__vms) && __CRTL_VER >= 70200000)
  78       #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
  79       //Some systems have filesystem-based resources, so the
  80       //portable "/shmname" format does not work due to permission issues
  81       //For those systems we need to form a path to a temporary directory:
  82       //          hp-ux               tru64               vms               freebsd
  83       #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7))
  84          #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
  85       //Some systems have "jailed" environments where shm usage is restricted at runtime
  86       //and temporary file based shm is possible in those executions.
  87       #elif defined(__FreeBSD__)
  88          #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
  89       #endif
  90    #endif
  91
  92    //////////////////////////////////////////////////////
  93    // _POSIX_MAPPED_FILES (POSIX.1b/POSIX.4)
  94    //////////////////////////////////////////////////////
  95    #if defined(_POSIX_MAPPED_FILES) && ((_POSIX_MAPPED_FILES + 0) > 0)
  96       #define BOOST_INTERPROCESS_POSIX_MAPPED_FILES
  97    #endif
  98
  99    //////////////////////////////////////////////////////
 100    // _POSIX_SEMAPHORES (POSIX.1b/POSIX.4)
 101    //////////////////////////////////////////////////////
 102    #if ( defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES + 0) > 0) ) ||\
 103        ( defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || \
 104          defined(__APPLE__)
 105       #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
 106       //MacOsX declares _POSIX_SEMAPHORES but sem_init returns ENOSYS
 107       #if !defined(__APPLE__)
 108          #define BOOST_INTERPROCESS_POSIX_UNNAMED_SEMAPHORES
 109       #endif
 110       #if defined(__osf__) || defined(__vms)
 111          #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES
 112       #endif
 113    #endif
 114
 115    //////////////////////////////////////////////////////
 116    // _POSIX_BARRIERS (SUSv3/Unix03)
 117    //////////////////////////////////////////////////////
 118    #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS + 0) >= 200112L)
 119       #define BOOST_INTERPROCESS_POSIX_BARRIERS
 120    #endif
 121
 122    //////////////////////////////////////////////////////
 123    // _POSIX_TIMEOUTS (SUSv3/Unix03)
 124    //////////////////////////////////////////////////////
 125    #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS + 0L) >= 200112L)
 126       #define BOOST_INTERPROCESS_POSIX_TIMEOUTS
 127    #endif
 128
 129    //////////////////////////////////////////////////////
 130    // Detect BSD derivatives to detect sysctl
 131    //////////////////////////////////////////////////////
 132    #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
 133       #define BOOST_INTERPROCESS_BSD_DERIVATIVE
 134       //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas
 135       //others (FreeBSD & Darwin) need sys/types.h
 136       #include <sys/types.h>
 137       #include <sys/param.h>
 138       #include <sys/sysctl.h>
 139       #if defined(CTL_KERN) && defined (KERN_BOOTTIME)
 140          //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
 141       #endif
 142    #endif
 143
 144    //////////////////////////////////////////////////////
 145    //64 bit offset
 146    //////////////////////////////////////////////////////
 147    #if (defined (_V6_ILP32_OFFBIG)  &&(_V6_ILP32_OFFBIG   - 0 > 0)) ||\
 148        (defined (_V6_LP64_OFF64)    &&(_V6_LP64_OFF64     - 0 > 0)) ||\
 149        (defined (_V6_LPBIG_OFFBIG)  &&(_V6_LPBIG_OFFBIG   - 0 > 0)) ||\
 150        (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\
 151        (defined (_XBS5_LP64_OFF64)  &&(_XBS5_LP64_OFF64   - 0 > 0)) ||\
 152        (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\
 153        (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS  - 0 >= 64))||\
 154        (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS  - 0 >= 64))
 155       #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T
 156    #endif
 157 #endif   //!defined(BOOST_INTERPROCESS_WINDOWS)
 158
 159 #if defined(BOOST_INTERPROCESS_WINDOWS) || defined(BOOST_INTERPROCESS_POSIX_MAPPED_FILES)
 160 #  define BOOST_INTERPROCESS_MAPPED_FILES
 161 #endif
 162
 163 //Now declare some Boost.Interprocess features depending on the implementation
 164 #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK)
 165    #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES
 166    #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES
 167 #endif
 168
 169 #if    !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
 170    #define BOOST_INTERPROCESS_PERFECT_FORWARDING
 171 #endif
 172
 173 // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set
 174 #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS
 175    #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000
 176 #endif
 177
 178 //Other switches
 179 //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX
 180 //message queue uses a circular queue as index instead of an array (better performance)
 181 //Boost version < 1.52 uses an array, so undef this if you want to communicate
 182 //with processes compiled with those versions.
 183 #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX
 184
 185 //Macros for documentation purposes. For code, expands to the argument
 186 #define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE
 187 #define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE
 188 #define BOOST_INTERPROCESS_DOC1ST(TYPE1, TYPE2) TYPE2
 189 #define BOOST_INTERPROCESS_I ,
 190 #define BOOST_INTERPROCESS_DOCIGN(T1) T1
 191
 192 //#define BOOST_INTERPROCESS_DISABLE_FORCEINLINE
 193
 194 #if defined(BOOST_INTERPROCESS_DISABLE_FORCEINLINE)
 195    #define BOOST_INTERPROCESS_FORCEINLINE inline
 196 #elif defined(BOOST_INTERPROCESS_FORCEINLINE_IS_BOOST_FORCELINE)
 197    #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
 198 #elif defined(BOOST_MSVC) && defined(_DEBUG)
 199    //"__forceinline" and MSVC seems to have some bugs in debug mode
 200    #define BOOST_INTERPROCESS_FORCEINLINE inline
 201 #else
 202    #define BOOST_INTERPROCESS_FORCEINLINE BOOST_FORCEINLINE
 203 #endif
 204
 205 #endif   //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP