2 * Written by Joel Sherrill <joel@OARcorp.com>.
4 * COPYRIGHT (c) 1989-2000.
6 * On-Line Applications Research Corporation (OAR).
8 * Permission to use, copy, modify, and distribute this software for any
9 * purpose without fee is hereby granted, provided that this entire notice
10 * is included in all copies of any software which is or includes a copy
11 * or modification of this software.
13 * THIS SOFTWARE IS BEING PROVIDED "AS IS", WITHOUT ANY EXPRESS OR IMPLIED
14 * WARRANTY. IN PARTICULAR, THE AUTHOR MAKES NO REPRESENTATION
15 * OR WARRANTY OF ANY KIND CONCERNING THE MERCHANTABILITY OF THIS
16 * SOFTWARE OR ITS FITNESS FOR ANY PARTICULAR PURPOSE.
21 #ifndef _SYS_FEATURES_H
22 #define _SYS_FEATURES_H
28 /* Macro to test version of GCC. Returns 0 for non-GCC or too old GCC. */
30 # if defined __GNUC__ && defined __GNUC_MINOR__
31 # define __GNUC_PREREQ(maj, min) \
32 ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
34 # define __GNUC_PREREQ(maj, min) 0
36 #endif /* __GNUC_PREREQ */
38 /* RTEMS adheres to POSIX -- 1003.1b with some features from annexes. */
41 #define _POSIX_JOB_CONTROL 1
42 #define _POSIX_SAVED_IDS 1
43 #define _POSIX_VERSION 199309L
44 #define _POSIX_ASYNCHRONOUS_IO 1
45 #define _POSIX_FSYNC 1
46 #define _POSIX_MAPPED_FILES 1
47 #define _POSIX_MEMLOCK 1
48 #define _POSIX_MEMLOCK_RANGE 1
49 #define _POSIX_MEMORY_PROTECTION 1
50 #define _POSIX_MESSAGE_PASSING 1
51 #define _POSIX_MONOTONIC_CLOCK 200112L
52 #define _POSIX_PRIORITIZED_IO 1
53 #define _POSIX_PRIORITY_SCHEDULING 1
54 #define _POSIX_REALTIME_SIGNALS 1
55 #define _POSIX_SEMAPHORES 1
56 /* #define _POSIX_SHARED_MEMORY_OBJECTS 1 */
57 #define _POSIX_SYNCHRONIZED_IO 1
58 #define _POSIX_TIMERS 1
59 #define _POSIX_BARRIERS 200112L
60 #define _POSIX_READER_WRITER_LOCKS 200112L
61 #define _POSIX_SPIN_LOCKS 200112L
64 /* In P1003.1b but defined by drafts at least as early as P1003.1c/D10 */
65 #define _POSIX_THREADS 1
66 #define _POSIX_THREAD_ATTR_STACKADDR 1
67 #define _POSIX_THREAD_ATTR_STACKSIZE 1
68 #define _POSIX_THREAD_PRIORITY_SCHEDULING 1
69 #define _POSIX_THREAD_PRIO_INHERIT 1
70 #define _POSIX_THREAD_PRIO_PROTECT 1
71 #define _POSIX_THREAD_PROCESS_SHARED 1
72 #define _POSIX_THREAD_SAFE_FUNCTIONS 1
74 /* P1003.4b/D8 defines the constants below this comment. */
75 #define _POSIX_SPAWN 1
76 #define _POSIX_TIMEOUTS 1
77 #define _POSIX_CPUTIME 1
78 #define _POSIX_THREAD_CPUTIME 1
79 #define _POSIX_SPORADIC_SERVER 1
80 #define _POSIX_THREAD_SPORADIC_SERVER 1
81 #define _POSIX_DEVICE_CONTROL 1
82 #define _POSIX_DEVCTL_DIRECTION 1
83 #define _POSIX_INTERRUPT_CONTROL 1
84 #define _POSIX_ADVISORY_INFO 1
86 /* UNIX98 added some new pthread mutex attributes */
87 #define _UNIX98_THREAD_MUTEX_ATTRIBUTES 1
91 /* XMK loosely adheres to POSIX -- 1003.1 */
93 #define _POSIX_THREADS 1
94 #define _POSIX_THREAD_PRIORITY_SCHEDULING 1
99 # define _POSIX_JOB_CONTROL 1
100 # define _POSIX_SAVED_IDS 1
101 # define _POSIX_VERSION 199009L
106 #if !defined(__STRICT_ANSI__) || defined(__cplusplus) || __STDC_VERSION__ >= 199901L
107 #define _POSIX_VERSION 200112L
108 #define _POSIX2_VERSION 200112L
109 #define _XOPEN_VERSION 600
111 #define _POSIX_ADVISORY_INFO 200112L
112 /* #define _POSIX_ASYNCHRONOUS_IO -1 */
113 /* #define _POSIX_BARRIERS -1 */
114 #define _POSIX_CHOWN_RESTRICTED 1
115 #define _POSIX_CLOCK_SELECTION 200112L
116 #define _POSIX_CPUTIME 200112L
117 #define _POSIX_FSYNC 200112L
118 #define _POSIX_IPV6 200112L
119 #define _POSIX_JOB_CONTROL 1
120 #define _POSIX_MAPPED_FILES 200112L
121 /* #define _POSIX_MEMLOCK -1 */
122 #define _POSIX_MEMLOCK_RANGE 200112L
123 #define _POSIX_MEMORY_PROTECTION 200112L
124 #define _POSIX_MESSAGE_PASSING 200112L
125 #define _POSIX_MONOTONIC_CLOCK 200112L
126 #define _POSIX_NO_TRUNC 1
127 /* #define _POSIX_PRIORITIZED_IO -1 */
128 #define _POSIX_PRIORITY_SCHEDULING 200112L
129 #define _POSIX_RAW_SOCKETS 200112L
130 #define _POSIX_READER_WRITER_LOCKS 200112L
131 #define _POSIX_REALTIME_SIGNALS 200112L
132 #define _POSIX_REGEXP 1
133 #define _POSIX_SAVED_IDS 1
134 #define _POSIX_SEMAPHORES 200112L
135 #define _POSIX_SHARED_MEMORY_OBJECTS 200112L
136 #define _POSIX_SHELL 1
137 /* #define _POSIX_SPAWN -1 */
138 #define _POSIX_SPIN_LOCKS 200112L
139 /* #define _POSIX_SPORADIC_SERVER -1 */
140 #define _POSIX_SYNCHRONIZED_IO 200112L
141 #define _POSIX_THREAD_ATTR_STACKADDR 200112L
142 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L
143 #define _POSIX_THREAD_CPUTIME 200112L
144 /* #define _POSIX_THREAD_PRIO_INHERIT -1 */
145 /* #define _POSIX_THREAD_PRIO_PROTECT -1 */
146 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L
147 #define _POSIX_THREAD_PROCESS_SHARED 200112L
148 #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
149 /* #define _POSIX_THREAD_SPORADIC_SERVER -1 */
150 #define _POSIX_THREADS 200112L
151 /* #define _POSIX_TIMEOUTS -1 */
152 #define _POSIX_TIMERS 1
153 /* #define _POSIX_TRACE -1 */
154 /* #define _POSIX_TRACE_EVENT_FILTER -1 */
155 /* #define _POSIX_TRACE_INHERIT -1 */
156 /* #define _POSIX_TRACE_LOG -1 */
157 /* #define _POSIX_TYPED_MEMORY_OBJECTS -1 */
158 #define _POSIX_VDISABLE '\0'
159 #define _POSIX2_C_BIND 200112L
160 #define _POSIX2_C_DEV 200112L
161 #define _POSIX2_CHAR_TERM 200112L
162 /* #define _POSIX2_FORT_DEV -1 */
163 /* #define _POSIX2_FORT_RUN -1 */
164 /* #define _POSIX2_LOCALEDEF -1 */
165 /* #define _POSIX2_PBS -1 */
166 /* #define _POSIX2_PBS_ACCOUNTING -1 */
167 /* #define _POSIX2_PBS_CHECKPOINT -1 */
168 /* #define _POSIX2_PBS_LOCATE -1 */
169 /* #define _POSIX2_PBS_MESSAGE -1 */
170 /* #define _POSIX2_PBS_TRACK -1 */
171 #define _POSIX2_SW_DEV 200112L
172 #define _POSIX2_UPE 200112L
173 #define _POSIX_V6_ILP32_OFF32 -1
174 #define _XBS5_ILP32_OFF32 _POSIX_V6_ILP32_OFF32
175 #define _POSIX_V6_ILP32_OFFBIG 1
176 #define _XBS5_ILP32_OFFBIG _POSIX_V6_ILP32_OFFBIG
177 #define _POSIX_V6_LP64_OFF64 -1
178 #define _XBS5_LP64_OFF64 _POSIX_V6_LP64_OFF64
179 #define _POSIX_V6_LPBIG_OFFBIG -1
180 #define _XBS5_LPBIG_OFFBIG _POSIX_V6_LPBIG_OFFBIG
181 #define _XOPEN_CRYPT 1
182 #define _XOPEN_ENH_I18N 1
183 /* #define _XOPEN_LEGACY -1 */
184 /* #define _XOPEN_REALTIME -1 */
185 /* #define _XOPEN_REALTIME_THREADS -1 */
187 /* #define _XOPEN_STREAMS -1 */
188 /* #define _XOPEN_UNIX -1 */
190 #endif /* !__STRICT_ANSI__ || __cplusplus || __STDC_VERSION__ >= 199901L */
192 /* The value corresponds to UNICODE version 4.0, which is the version
193 supported by XP. Newlib supports 5.2 (2011) but so far Cygwin needs
194 the MS conversions for double-byte charsets. */
195 #define __STDC_ISO_10646__ 200305L
197 #endif /* __CYGWIN__ */
199 /* Per the permission given in POSIX.1-2008 section 2.2.1, define
200 * _POSIX_C_SOURCE if _XOPEN_SOURCE is defined and _POSIX_C_SOURCE is not.
201 * (_XOPEN_SOURCE indicates that XSI extensions are desired by an application.)
202 * This permission is first granted in 2008, but use it for older ones, also.
203 * Allow for _XOPEN_SOURCE to be empty (from the earliest form of it, before it
204 * was required to have specific values).
206 #if !defined(_POSIX_C_SOURCE) && defined(_XOPEN_SOURCE)
207 #if (_XOPEN_SOURCE - 0) == 700 /* POSIX.1-2008 */
208 #define _POSIX_C_SOURCE 200809L
209 #elif (_XOPEN_SOURCE - 0) == 600 /* POSIX.1-2001 or 2004 */
210 #define _POSIX_C_SOURCE 200112L
211 #elif (_XOPEN_SOURCE - 0) == 500 /* POSIX.1-1995 */
212 #define _POSIX_C_SOURCE 199506L
213 #elif (_XOPEN_SOURCE - 0) < 500 /* really old */
214 #define _POSIX_C_SOURCE 2
221 #endif /* _SYS_FEATURES_H */