Imported Upstream version 1.57.0
[platform/upstream/boost.git] / boost / interprocess / detail / workaround.hpp
1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2005-2012. 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 #if defined(_MSC_VER)
15 #  pragma once
16 #endif
17
18 #include <boost/interprocess/detail/config_begin.hpp>
19
20 #if defined(_WIN32) || defined(__WIN32__) || defined(WIN32)
21    #define BOOST_INTERPROCESS_WINDOWS
22    #define BOOST_INTERPROCESS_FORCE_GENERIC_EMULATION
23    #define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
24    //Define this to connect with shared memory created with versions < 1.54
25    //#define BOOST_INTERPROCESS_BOOTSTAMP_IS_LASTBOOTUPTIME
26 #else
27    #include <unistd.h>
28
29    #if defined(_POSIX_THREAD_PROCESS_SHARED) && ((_POSIX_THREAD_PROCESS_SHARED - 0) > 0)
30       //Cygwin defines _POSIX_THREAD_PROCESS_SHARED but does not implement it.
31       #if defined(__CYGWIN__)
32          #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
33       //Mac Os X < Lion (10.7) might define _POSIX_THREAD_PROCESS_SHARED but there is no real support.
34       #elif defined(__APPLE__)
35          #include "TargetConditionals.h"
36          //Check we're on Mac OS target
37          #if defined(TARGET_OS_MAC)
38             #include "AvailabilityMacros.h"
39             //If minimum target for this compilation is older than Mac Os Lion, then we are out of luck
40             #if MAC_OS_X_VERSION_MIN_REQUIRED < 1070
41                #define BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
42             #endif
43          #endif
44       #endif
45
46       //If buggy _POSIX_THREAD_PROCESS_SHARED is detected avoid using it
47       #if defined(BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED)
48          #undef BOOST_INTERPROCESS_BUGGY_POSIX_PROCESS_SHARED
49       #else
50          #define BOOST_INTERPROCESS_POSIX_PROCESS_SHARED
51       #endif
52    #endif
53
54    #if defined(_POSIX_BARRIERS) && ((_POSIX_BARRIERS - 0) > 0)
55       #define BOOST_INTERPROCESS_POSIX_BARRIERS
56    #endif
57
58    #if defined(_POSIX_SEMAPHORES) && ((_POSIX_SEMAPHORES - 0) > 0)
59       #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
60       #if defined(__CYGWIN__)
61          #define BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK
62       #endif
63    //Some platforms have a limited (name length) named semaphore support
64    #elif (defined(__FreeBSD__) && (__FreeBSD__ >= 4)) || defined(__APPLE__)
65       #define BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
66    #endif
67
68    #if (defined (_V6_ILP32_OFFBIG)  &&(_V6_ILP32_OFFBIG   - 0 > 0)) ||\
69        (defined (_V6_LP64_OFF64)    &&(_V6_LP64_OFF64     - 0 > 0)) ||\
70        (defined (_V6_LPBIG_OFFBIG)  &&(_V6_LPBIG_OFFBIG   - 0 > 0)) ||\
71        (defined (_XBS5_ILP32_OFFBIG)&&(_XBS5_ILP32_OFFBIG - 0 > 0)) ||\
72        (defined (_XBS5_LP64_OFF64)  &&(_XBS5_LP64_OFF64   - 0 > 0)) ||\
73        (defined (_XBS5_LPBIG_OFFBIG)&&(_XBS5_LPBIG_OFFBIG - 0 > 0)) ||\
74        (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS  - 0 >= 64))||\
75        (defined (_FILE_OFFSET_BITS) &&(_FILE_OFFSET_BITS  - 0 >= 64))
76       #define BOOST_INTERPROCESS_UNIX_64_BIT_OR_BIGGER_OFF_T
77    #endif
78
79    //Check for XSI shared memory objects. They are available in nearly all UNIX platforms
80    #if !defined(__QNXNTO__) && !defined(__ANDROID__)
81       #define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS
82    #endif
83
84    #if defined(_POSIX_SHARED_MEMORY_OBJECTS) && ((_POSIX_SHARED_MEMORY_OBJECTS - 0) > 0)
85       #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
86    #else
87       //VMS and MACOS don't define it but they have shm_open/close interface
88       #if defined(__vms)
89          #if __CRTL_VER >= 70200000
90             #define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
91          #endif
92          //Mac OS has some non-conformant features like names limited to SHM_NAME_MAX
93       #elif defined (__APPLE__)
94          //#define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
95          //#define BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS_NO_GROW
96       #endif
97    #endif
98
99    //Now check if we have only XSI shared memory
100    #if defined(BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS) &&\
101       !defined(BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS)
102       //#define BOOST_INTERPROCESS_XSI_SHARED_MEMORY_OBJECTS_ONLY
103    #endif
104
105    #if defined(_POSIX_TIMEOUTS) && ((_POSIX_TIMEOUTS - 0) > 0)
106       #define BOOST_INTERPROCESS_POSIX_TIMEOUTS
107    #endif
108
109    #ifdef BOOST_INTERPROCESS_POSIX_SHARED_MEMORY_OBJECTS
110       //Some systems have filesystem-based resources, so the
111       //portable "/shmname" format does not work due to permission issues
112       //For those systems we need to form a path to a temporary directory:
113       //          hp-ux               tru64               vms               freebsd
114       #if defined(__hpux) || defined(__osf__) || defined(__vms) || (defined(__FreeBSD__) && (__FreeBSD__ < 7))
115          #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
116       //Some systems have "jailed" environments where shm usage is restricted at runtime
117       //and temporary file file based shm is possible in those executions.
118       #elif defined(__FreeBSD__)
119          #define BOOST_INTERPROCESS_RUNTIME_FILESYSTEM_BASED_POSIX_SHARED_MEMORY
120       #endif
121    #endif
122
123    #ifdef BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES
124       #if defined(__osf__) || defined(__vms)
125          #define BOOST_INTERPROCESS_FILESYSTEM_BASED_POSIX_SEMAPHORES
126       #endif
127    #endif
128
129    #if defined(_POSIX_VERSION) && defined(_XOPEN_VERSION) && \
130        (((_POSIX_VERSION + 0)>= 200112L || (_XOPEN_VERSION + 0)>= 500))
131       #define BOOST_INTERPROCESS_POSIX_RECURSIVE_MUTEXES
132    #endif
133
134    #if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__APPLE__)
135       #define BOOST_INTERPROCESS_BSD_DERIVATIVE
136       //Some *BSD systems (OpenBSD & NetBSD) need sys/param.h before sys/sysctl.h, whereas
137       //others (FreeBSD & Darwin) need sys/types.h
138       #include <sys/types.h>
139       #include <sys/param.h>
140       #include <sys/sysctl.h>
141       #if defined(CTL_KERN) && defined (KERN_BOOTTIME)
142          //#define BOOST_INTERPROCESS_HAS_KERNEL_BOOTTIME
143       #endif
144    #endif
145 #endif   //!defined(BOOST_INTERPROCESS_WINDOWS)
146
147 #if    !defined(BOOST_NO_CXX11_RVALUE_REFERENCES) && !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)
148    #define BOOST_INTERPROCESS_PERFECT_FORWARDING
149 #endif
150
151 //Now declare some Boost.Interprocess features depending on the implementation
152 #if defined(BOOST_INTERPROCESS_POSIX_NAMED_SEMAPHORES) && !defined(BOOST_INTERPROCESS_POSIX_SEMAPHORES_NO_UNLINK)
153    #define BOOST_INTERPROCESS_NAMED_MUTEX_USES_POSIX_SEMAPHORES
154    #define BOOST_INTERPROCESS_NAMED_SEMAPHORE_USES_POSIX_SEMAPHORES
155 #endif
156
157 // Timeout duration use if BOOST_INTERPROCESS_ENABLE_TIMEOUT_WHEN_LOCKING is set
158 #ifndef BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS
159    #define BOOST_INTERPROCESS_TIMEOUT_WHEN_LOCKING_DURATION_MS 10000
160 #endif
161
162 //Other switches
163 //BOOST_INTERPROCESS_MSG_QUEUE_USES_CIRC_INDEX
164 //message queue uses a circular queue as index instead of an array (better performance)
165 //Boost version < 1.52 uses an array, so undef this if you want to communicate
166 //with processes compiled with those versions.
167 #define BOOST_INTERPROCESS_MSG_QUEUE_CIRCULAR_INDEX
168
169 //Inline attributes
170 #if defined(_MSC_VER)
171    #define BOOST_INTERPROCESS_ALWAYS_INLINE __forceinline
172 #elif defined (__GNUC__)
173    #define BOOST_INTERPROCESS_ALWAYS_INLINE __attribute__((__always_inline__))
174 #else
175    #define BOOST_INTERPROCESS_ALWAYS_INLINE inline
176 #endif
177
178 #if defined(_MSC_VER)
179    #define BOOST_INTERPROCESS_NEVER_INLINE __declspec(noinline)
180 #elif defined (__GNUC__)
181    #define BOOST_INTERPROCESS_NEVER_INLINE __attribute__((__noinline__))
182 #endif
183
184 //Macros for documentation purposes. For code, expands to the argument
185 #define BOOST_INTERPROCESS_IMPDEF(TYPE) TYPE
186 #define BOOST_INTERPROCESS_SEEDOC(TYPE) TYPE
187
188 #if defined(BOOST_NO_CXX11_NOEXCEPT)
189    #if defined(BOOST_MSVC)
190       #define BOOST_INTERPROCESS_NOEXCEPT throw()
191    #else
192       #define BOOST_INTERPROCESS_NOEXCEPT
193    #endif
194    #define BOOST_INTERPROCESS_NOEXCEPT_IF(x)
195 #else
196    #define BOOST_INTERPROCESS_NOEXCEPT    noexcept
197    #define BOOST_INTERPROCESS_NOEXCEPT_IF(x) noexcept(x)
198 #endif
199
200 #include <boost/interprocess/detail/config_end.hpp>
201
202 #endif   //#ifndef BOOST_INTERPROCESS_DETAIL_WORKAROUND_HPP