add gettid function
[musl.git] / include / unistd.h
blob07584a23e73d73f5706b892f7629a1be65cefeb8
1 #ifndef _UNISTD_H
2 #define _UNISTD_H
4 #ifdef __cplusplus
5 extern "C" {
6 #endif
8 #include <features.h>
10 #define STDIN_FILENO 0
11 #define STDOUT_FILENO 1
12 #define STDERR_FILENO 2
14 #define SEEK_SET 0
15 #define SEEK_CUR 1
16 #define SEEK_END 2
18 #ifdef __cplusplus
19 #define NULL 0L
20 #else
21 #define NULL ((void*)0)
22 #endif
24 #define __NEED_size_t
25 #define __NEED_ssize_t
26 #define __NEED_uid_t
27 #define __NEED_gid_t
28 #define __NEED_off_t
29 #define __NEED_pid_t
30 #define __NEED_intptr_t
31 #define __NEED_useconds_t
33 #include <bits/alltypes.h>
35 int pipe(int [2]);
36 int pipe2(int [2], int);
37 int close(int);
38 int posix_close(int, int);
39 int dup(int);
40 int dup2(int, int);
41 int dup3(int, int, int);
42 off_t lseek(int, off_t, int);
43 int fsync(int);
44 int fdatasync(int);
46 ssize_t read(int, void *, size_t);
47 ssize_t write(int, const void *, size_t);
48 ssize_t pread(int, void *, size_t, off_t);
49 ssize_t pwrite(int, const void *, size_t, off_t);
51 int chown(const char *, uid_t, gid_t);
52 int fchown(int, uid_t, gid_t);
53 int lchown(const char *, uid_t, gid_t);
54 int fchownat(int, const char *, uid_t, gid_t, int);
56 int link(const char *, const char *);
57 int linkat(int, const char *, int, const char *, int);
58 int symlink(const char *, const char *);
59 int symlinkat(const char *, int, const char *);
60 ssize_t readlink(const char *__restrict, char *__restrict, size_t);
61 ssize_t readlinkat(int, const char *__restrict, char *__restrict, size_t);
62 int unlink(const char *);
63 int unlinkat(int, const char *, int);
64 int rmdir(const char *);
65 int truncate(const char *, off_t);
66 int ftruncate(int, off_t);
68 #define F_OK 0
69 #define R_OK 4
70 #define W_OK 2
71 #define X_OK 1
73 int access(const char *, int);
74 int faccessat(int, const char *, int, int);
76 int chdir(const char *);
77 int fchdir(int);
78 char *getcwd(char *, size_t);
80 unsigned alarm(unsigned);
81 unsigned sleep(unsigned);
82 int pause(void);
84 pid_t fork(void);
85 int execve(const char *, char *const [], char *const []);
86 int execv(const char *, char *const []);
87 int execle(const char *, const char *, ...);
88 int execl(const char *, const char *, ...);
89 int execvp(const char *, char *const []);
90 int execlp(const char *, const char *, ...);
91 int fexecve(int, char *const [], char *const []);
92 _Noreturn void _exit(int);
94 pid_t getpid(void);
95 pid_t getppid(void);
96 pid_t getpgrp(void);
97 pid_t getpgid(pid_t);
98 int setpgid(pid_t, pid_t);
99 pid_t setsid(void);
100 pid_t getsid(pid_t);
101 char *ttyname(int);
102 int ttyname_r(int, char *, size_t);
103 int isatty(int);
104 pid_t tcgetpgrp(int);
105 int tcsetpgrp(int, pid_t);
107 uid_t getuid(void);
108 uid_t geteuid(void);
109 gid_t getgid(void);
110 gid_t getegid(void);
111 int getgroups(int, gid_t []);
112 int setuid(uid_t);
113 int seteuid(uid_t);
114 int setgid(gid_t);
115 int setegid(gid_t);
117 char *getlogin(void);
118 int getlogin_r(char *, size_t);
119 int gethostname(char *, size_t);
120 char *ctermid(char *);
122 int getopt(int, char * const [], const char *);
123 extern char *optarg;
124 extern int optind, opterr, optopt;
126 long pathconf(const char *, int);
127 long fpathconf(int, int);
128 long sysconf(int);
129 size_t confstr(int, char *, size_t);
131 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
132 #define F_ULOCK 0
133 #define F_LOCK 1
134 #define F_TLOCK 2
135 #define F_TEST 3
136 int setreuid(uid_t, uid_t);
137 int setregid(gid_t, gid_t);
138 int lockf(int, int, off_t);
139 long gethostid(void);
140 int nice(int);
141 void sync(void);
142 pid_t setpgrp(void);
143 char *crypt(const char *, const char *);
144 void encrypt(char *, int);
145 void swab(const void *__restrict, void *__restrict, ssize_t);
146 #endif
148 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \
149 || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
150 int usleep(unsigned);
151 unsigned ualarm(unsigned, unsigned);
152 #endif
154 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
155 #define L_SET 0
156 #define L_INCR 1
157 #define L_XTND 2
158 int brk(void *);
159 void *sbrk(intptr_t);
160 pid_t vfork(void);
161 int vhangup(void);
162 int chroot(const char *);
163 int getpagesize(void);
164 int getdtablesize(void);
165 int sethostname(const char *, size_t);
166 int getdomainname(char *, size_t);
167 int setdomainname(const char *, size_t);
168 int setgroups(size_t, const gid_t *);
169 char *getpass(const char *);
170 int daemon(int, int);
171 void setusershell(void);
172 void endusershell(void);
173 char *getusershell(void);
174 int acct(const char *);
175 long syscall(long, ...);
176 int execvpe(const char *, char *const [], char *const []);
177 int issetugid(void);
178 int getentropy(void *, size_t);
179 extern int optreset;
180 #endif
182 #ifdef _GNU_SOURCE
183 extern char **environ;
184 int setresuid(uid_t, uid_t, uid_t);
185 int setresgid(gid_t, gid_t, gid_t);
186 int getresuid(uid_t *, uid_t *, uid_t *);
187 int getresgid(gid_t *, gid_t *, gid_t *);
188 char *get_current_dir_name(void);
189 int syncfs(int);
190 int euidaccess(const char *, int);
191 int eaccess(const char *, int);
192 ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned);
193 pid_t gettid(void);
194 #endif
196 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
197 #define lseek64 lseek
198 #define pread64 pread
199 #define pwrite64 pwrite
200 #define truncate64 truncate
201 #define ftruncate64 ftruncate
202 #define lockf64 lockf
203 #define off64_t off_t
204 #endif
206 #define POSIX_CLOSE_RESTART 0
208 #define _XOPEN_VERSION 700
209 #define _XOPEN_UNIX 1
210 #define _XOPEN_ENH_I18N 1
212 #define _POSIX_VERSION 200809L
213 #define _POSIX2_VERSION _POSIX_VERSION
215 #define _POSIX_ADVISORY_INFO _POSIX_VERSION
216 #define _POSIX_CHOWN_RESTRICTED 1
217 #define _POSIX_IPV6 _POSIX_VERSION
218 #define _POSIX_JOB_CONTROL 1
219 #define _POSIX_MAPPED_FILES _POSIX_VERSION
220 #define _POSIX_MEMLOCK _POSIX_VERSION
221 #define _POSIX_MEMLOCK_RANGE _POSIX_VERSION
222 #define _POSIX_MEMORY_PROTECTION _POSIX_VERSION
223 #define _POSIX_MESSAGE_PASSING _POSIX_VERSION
224 #define _POSIX_FSYNC _POSIX_VERSION
225 #define _POSIX_NO_TRUNC 1
226 #define _POSIX_RAW_SOCKETS _POSIX_VERSION
227 #define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
228 #define _POSIX_REGEXP 1
229 #define _POSIX_SAVED_IDS 1
230 #define _POSIX_SHELL 1
231 #define _POSIX_SPAWN _POSIX_VERSION
232 #define _POSIX_VDISABLE 0
234 #define _POSIX_THREADS _POSIX_VERSION
235 #define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION
236 #define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
237 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
238 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
239 #define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
240 #define _POSIX_THREAD_CPUTIME _POSIX_VERSION
241 #define _POSIX_TIMERS _POSIX_VERSION
242 #define _POSIX_TIMEOUTS _POSIX_VERSION
243 #define _POSIX_MONOTONIC_CLOCK _POSIX_VERSION
244 #define _POSIX_CPUTIME _POSIX_VERSION
245 #define _POSIX_CLOCK_SELECTION _POSIX_VERSION
246 #define _POSIX_BARRIERS _POSIX_VERSION
247 #define _POSIX_SPIN_LOCKS _POSIX_VERSION
248 #define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
249 #define _POSIX_ASYNCHRONOUS_IO _POSIX_VERSION
250 #define _POSIX_SEMAPHORES _POSIX_VERSION
251 #define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION
253 #define _POSIX2_C_BIND _POSIX_VERSION
255 #include <bits/posix.h>
259 #define _PC_LINK_MAX 0
260 #define _PC_MAX_CANON 1
261 #define _PC_MAX_INPUT 2
262 #define _PC_NAME_MAX 3
263 #define _PC_PATH_MAX 4
264 #define _PC_PIPE_BUF 5
265 #define _PC_CHOWN_RESTRICTED 6
266 #define _PC_NO_TRUNC 7
267 #define _PC_VDISABLE 8
268 #define _PC_SYNC_IO 9
269 #define _PC_ASYNC_IO 10
270 #define _PC_PRIO_IO 11
271 #define _PC_SOCK_MAXBUF 12
272 #define _PC_FILESIZEBITS 13
273 #define _PC_REC_INCR_XFER_SIZE 14
274 #define _PC_REC_MAX_XFER_SIZE 15
275 #define _PC_REC_MIN_XFER_SIZE 16
276 #define _PC_REC_XFER_ALIGN 17
277 #define _PC_ALLOC_SIZE_MIN 18
278 #define _PC_SYMLINK_MAX 19
279 #define _PC_2_SYMLINKS 20
281 #define _SC_ARG_MAX 0
282 #define _SC_CHILD_MAX 1
283 #define _SC_CLK_TCK 2
284 #define _SC_NGROUPS_MAX 3
285 #define _SC_OPEN_MAX 4
286 #define _SC_STREAM_MAX 5
287 #define _SC_TZNAME_MAX 6
288 #define _SC_JOB_CONTROL 7
289 #define _SC_SAVED_IDS 8
290 #define _SC_REALTIME_SIGNALS 9
291 #define _SC_PRIORITY_SCHEDULING 10
292 #define _SC_TIMERS 11
293 #define _SC_ASYNCHRONOUS_IO 12
294 #define _SC_PRIORITIZED_IO 13
295 #define _SC_SYNCHRONIZED_IO 14
296 #define _SC_FSYNC 15
297 #define _SC_MAPPED_FILES 16
298 #define _SC_MEMLOCK 17
299 #define _SC_MEMLOCK_RANGE 18
300 #define _SC_MEMORY_PROTECTION 19
301 #define _SC_MESSAGE_PASSING 20
302 #define _SC_SEMAPHORES 21
303 #define _SC_SHARED_MEMORY_OBJECTS 22
304 #define _SC_AIO_LISTIO_MAX 23
305 #define _SC_AIO_MAX 24
306 #define _SC_AIO_PRIO_DELTA_MAX 25
307 #define _SC_DELAYTIMER_MAX 26
308 #define _SC_MQ_OPEN_MAX 27
309 #define _SC_MQ_PRIO_MAX 28
310 #define _SC_VERSION 29
311 #define _SC_PAGE_SIZE 30
312 #define _SC_PAGESIZE 30 /* !! */
313 #define _SC_RTSIG_MAX 31
314 #define _SC_SEM_NSEMS_MAX 32
315 #define _SC_SEM_VALUE_MAX 33
316 #define _SC_SIGQUEUE_MAX 34
317 #define _SC_TIMER_MAX 35
318 #define _SC_BC_BASE_MAX 36
319 #define _SC_BC_DIM_MAX 37
320 #define _SC_BC_SCALE_MAX 38
321 #define _SC_BC_STRING_MAX 39
322 #define _SC_COLL_WEIGHTS_MAX 40
323 #define _SC_EXPR_NEST_MAX 42
324 #define _SC_LINE_MAX 43
325 #define _SC_RE_DUP_MAX 44
326 #define _SC_2_VERSION 46
327 #define _SC_2_C_BIND 47
328 #define _SC_2_C_DEV 48
329 #define _SC_2_FORT_DEV 49
330 #define _SC_2_FORT_RUN 50
331 #define _SC_2_SW_DEV 51
332 #define _SC_2_LOCALEDEF 52
333 #define _SC_UIO_MAXIOV 60 /* !! */
334 #define _SC_IOV_MAX 60
335 #define _SC_THREADS 67
336 #define _SC_THREAD_SAFE_FUNCTIONS 68
337 #define _SC_GETGR_R_SIZE_MAX 69
338 #define _SC_GETPW_R_SIZE_MAX 70
339 #define _SC_LOGIN_NAME_MAX 71
340 #define _SC_TTY_NAME_MAX 72
341 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 73
342 #define _SC_THREAD_KEYS_MAX 74
343 #define _SC_THREAD_STACK_MIN 75
344 #define _SC_THREAD_THREADS_MAX 76
345 #define _SC_THREAD_ATTR_STACKADDR 77
346 #define _SC_THREAD_ATTR_STACKSIZE 78
347 #define _SC_THREAD_PRIORITY_SCHEDULING 79
348 #define _SC_THREAD_PRIO_INHERIT 80
349 #define _SC_THREAD_PRIO_PROTECT 81
350 #define _SC_THREAD_PROCESS_SHARED 82
351 #define _SC_NPROCESSORS_CONF 83
352 #define _SC_NPROCESSORS_ONLN 84
353 #define _SC_PHYS_PAGES 85
354 #define _SC_AVPHYS_PAGES 86
355 #define _SC_ATEXIT_MAX 87
356 #define _SC_PASS_MAX 88
357 #define _SC_XOPEN_VERSION 89
358 #define _SC_XOPEN_XCU_VERSION 90
359 #define _SC_XOPEN_UNIX 91
360 #define _SC_XOPEN_CRYPT 92
361 #define _SC_XOPEN_ENH_I18N 93
362 #define _SC_XOPEN_SHM 94
363 #define _SC_2_CHAR_TERM 95
364 #define _SC_2_UPE 97
365 #define _SC_XOPEN_XPG2 98
366 #define _SC_XOPEN_XPG3 99
367 #define _SC_XOPEN_XPG4 100
368 #define _SC_NZERO 109
369 #define _SC_XBS5_ILP32_OFF32 125
370 #define _SC_XBS5_ILP32_OFFBIG 126
371 #define _SC_XBS5_LP64_OFF64 127
372 #define _SC_XBS5_LPBIG_OFFBIG 128
373 #define _SC_XOPEN_LEGACY 129
374 #define _SC_XOPEN_REALTIME 130
375 #define _SC_XOPEN_REALTIME_THREADS 131
376 #define _SC_ADVISORY_INFO 132
377 #define _SC_BARRIERS 133
378 #define _SC_CLOCK_SELECTION 137
379 #define _SC_CPUTIME 138
380 #define _SC_THREAD_CPUTIME 139
381 #define _SC_MONOTONIC_CLOCK 149
382 #define _SC_READER_WRITER_LOCKS 153
383 #define _SC_SPIN_LOCKS 154
384 #define _SC_REGEXP 155
385 #define _SC_SHELL 157
386 #define _SC_SPAWN 159
387 #define _SC_SPORADIC_SERVER 160
388 #define _SC_THREAD_SPORADIC_SERVER 161
389 #define _SC_TIMEOUTS 164
390 #define _SC_TYPED_MEMORY_OBJECTS 165
391 #define _SC_2_PBS 168
392 #define _SC_2_PBS_ACCOUNTING 169
393 #define _SC_2_PBS_LOCATE 170
394 #define _SC_2_PBS_MESSAGE 171
395 #define _SC_2_PBS_TRACK 172
396 #define _SC_SYMLOOP_MAX 173
397 #define _SC_STREAMS 174
398 #define _SC_2_PBS_CHECKPOINT 175
399 #define _SC_V6_ILP32_OFF32 176
400 #define _SC_V6_ILP32_OFFBIG 177
401 #define _SC_V6_LP64_OFF64 178
402 #define _SC_V6_LPBIG_OFFBIG 179
403 #define _SC_HOST_NAME_MAX 180
404 #define _SC_TRACE 181
405 #define _SC_TRACE_EVENT_FILTER 182
406 #define _SC_TRACE_INHERIT 183
407 #define _SC_TRACE_LOG 184
409 #define _SC_IPV6 235
410 #define _SC_RAW_SOCKETS 236
411 #define _SC_V7_ILP32_OFF32 237
412 #define _SC_V7_ILP32_OFFBIG 238
413 #define _SC_V7_LP64_OFF64 239
414 #define _SC_V7_LPBIG_OFFBIG 240
415 #define _SC_SS_REPL_MAX 241
416 #define _SC_TRACE_EVENT_NAME_MAX 242
417 #define _SC_TRACE_NAME_MAX 243
418 #define _SC_TRACE_SYS_MAX 244
419 #define _SC_TRACE_USER_EVENT_MAX 245
420 #define _SC_XOPEN_STREAMS 246
421 #define _SC_THREAD_ROBUST_PRIO_INHERIT 247
422 #define _SC_THREAD_ROBUST_PRIO_PROTECT 248
424 #define _CS_PATH 0
425 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 1
426 #define _CS_GNU_LIBC_VERSION 2
427 #define _CS_GNU_LIBPTHREAD_VERSION 3
428 #define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS 4
429 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 5
431 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116
432 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 1117
433 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 1118
434 #define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS 1119
435 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 1120
436 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 1121
437 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 1122
438 #define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS 1123
439 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 1124
440 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125
441 #define _CS_POSIX_V6_LP64_OFF64_LIBS 1126
442 #define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS 1127
443 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 1128
444 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 1129
445 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 1130
446 #define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS 1131
447 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132
448 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 1133
449 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 1134
450 #define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS 1135
451 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 1136
452 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 1137
453 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 1138
454 #define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS 1139
455 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 1140
456 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141
457 #define _CS_POSIX_V7_LP64_OFF64_LIBS 1142
458 #define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS 1143
459 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 1144
460 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 1145
461 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 1146
462 #define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS 1147
463 #define _CS_V6_ENV 1148
464 #define _CS_V7_ENV 1149
466 #ifdef __cplusplus
468 #endif
470 #endif