include/unistd.h

   1 #ifndef _UNISTD_H
   2 #define _UNISTD_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #define STDIN_FILENO  0
  11 #define STDOUT_FILENO 1
  12 #define STDERR_FILENO 2
  13
  14 #define SEEK_SET 0
  15 #define SEEK_CUR 1
  16 #define SEEK_END 2
  17
  18 #ifdef __cplusplus
  19 #define NULL 0L
  20 #else
  21 #define NULL ((void*)0)
  22 #endif
  23
  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
  32
  33 #include <bits/alltypes.h>
  34
  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);
  45
  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);
  50
  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);
  55
  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);
  67
  68 #define F_OK 0
  69 #define R_OK 4
  70 #define W_OK 2
  71 #define X_OK 1
  72
  73 int access(const char *, int);
  74 int faccessat(int, const char *, int, int);
  75
  76 int chdir(const char *);
  77 int fchdir(int);
  78 char *getcwd(char *, size_t);
  79
  80 unsigned alarm(unsigned);
  81 unsigned sleep(unsigned);
  82 int pause(void);
  83
  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);
  93
  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);
 106
 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);
 116
 117 char *getlogin(void);
 118 int getlogin_r(char *, size_t);
 119 int gethostname(char *, size_t);
 120 char *ctermid(char *);
 121
 122 int getopt(int, char * const [], const char *);
 123 extern char *optarg;
 124 extern int optind, opterr, optopt;
 125
 126 long pathconf(const char *, int);
 127 long fpathconf(int, int);
 128 long sysconf(int);
 129 size_t confstr(int, char *, size_t);
 130
 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
 147
 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
 153
 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 #endif
 180
 181 #ifdef _GNU_SOURCE
 182 extern char **environ;
 183 int setresuid(uid_t, uid_t, uid_t);
 184 int setresgid(gid_t, gid_t, gid_t);
 185 int getresuid(uid_t *, uid_t *, uid_t *);
 186 int getresgid(gid_t *, gid_t *, gid_t *);
 187 char *get_current_dir_name(void);
 188 int syncfs(int);
 189 int euidaccess(const char *, int);
 190 int eaccess(const char *, int);
 191 #endif
 192
 193 #if defined(_LARGEFILE64_SOURCE) || defined(_GNU_SOURCE)
 194 #define lseek64 lseek
 195 #define pread64 pread
 196 #define pwrite64 pwrite
 197 #define truncate64 truncate
 198 #define ftruncate64 ftruncate
 199 #define lockf64 lockf
 200 #define off64_t off_t
 201 #endif
 202
 203 #define POSIX_CLOSE_RESTART     0
 204
 205 #define _XOPEN_VERSION          700
 206 #define _XOPEN_UNIX             1
 207 #define _XOPEN_ENH_I18N         1
 208
 209 #define _POSIX_VERSION          200809L
 210 #define _POSIX2_VERSION         _POSIX_VERSION
 211
 212 #define _POSIX_ADVISORY_INFO    _POSIX_VERSION
 213 #define _POSIX_CHOWN_RESTRICTED 1
 214 #define _POSIX_IPV6             _POSIX_VERSION
 215 #define _POSIX_JOB_CONTROL      1
 216 #define _POSIX_MAPPED_FILES     _POSIX_VERSION
 217 #define _POSIX_MEMLOCK          _POSIX_VERSION
 218 #define _POSIX_MEMLOCK_RANGE    _POSIX_VERSION
 219 #define _POSIX_MEMORY_PROTECTION _POSIX_VERSION
 220 #define _POSIX_MESSAGE_PASSING  _POSIX_VERSION
 221 #define _POSIX_FSYNC            _POSIX_VERSION
 222 #define _POSIX_NO_TRUNC         1
 223 #define _POSIX_RAW_SOCKETS      _POSIX_VERSION
 224 #define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
 225 #define _POSIX_REGEXP           1
 226 #define _POSIX_SAVED_IDS        1
 227 #define _POSIX_SHELL            1
 228 #define _POSIX_SPAWN            _POSIX_VERSION
 229 #define _POSIX_VDISABLE         0
 230
 231 #define _POSIX_THREADS          _POSIX_VERSION
 232 #define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION
 233 #define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
 234 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
 235 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
 236 #define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
 237 #define _POSIX_THREAD_CPUTIME   _POSIX_VERSION
 238 #define _POSIX_TIMERS           _POSIX_VERSION
 239 #define _POSIX_TIMEOUTS         _POSIX_VERSION
 240 #define _POSIX_MONOTONIC_CLOCK  _POSIX_VERSION
 241 #define _POSIX_CPUTIME          _POSIX_VERSION
 242 #define _POSIX_CLOCK_SELECTION  _POSIX_VERSION
 243 #define _POSIX_BARRIERS         _POSIX_VERSION
 244 #define _POSIX_SPIN_LOCKS       _POSIX_VERSION
 245 #define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
 246 #define _POSIX_ASYNCHRONOUS_IO  _POSIX_VERSION
 247 #define _POSIX_SEMAPHORES       _POSIX_VERSION
 248 #define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION
 249
 250 #define _POSIX2_C_BIND          _POSIX_VERSION
 251
 252 #include <bits/posix.h>
 253
 254
 255
 256 #define _PC_LINK_MAX    0
 257 #define _PC_MAX_CANON   1
 258 #define _PC_MAX_INPUT   2
 259 #define _PC_NAME_MAX    3
 260 #define _PC_PATH_MAX    4
 261 #define _PC_PIPE_BUF    5
 262 #define _PC_CHOWN_RESTRICTED    6
 263 #define _PC_NO_TRUNC    7
 264 #define _PC_VDISABLE    8
 265 #define _PC_SYNC_IO     9
 266 #define _PC_ASYNC_IO    10
 267 #define _PC_PRIO_IO     11
 268 #define _PC_SOCK_MAXBUF 12
 269 #define _PC_FILESIZEBITS        13
 270 #define _PC_REC_INCR_XFER_SIZE  14
 271 #define _PC_REC_MAX_XFER_SIZE   15
 272 #define _PC_REC_MIN_XFER_SIZE   16
 273 #define _PC_REC_XFER_ALIGN      17
 274 #define _PC_ALLOC_SIZE_MIN      18
 275 #define _PC_SYMLINK_MAX 19
 276 #define _PC_2_SYMLINKS  20
 277
 278 #define _SC_ARG_MAX     0
 279 #define _SC_CHILD_MAX   1
 280 #define _SC_CLK_TCK     2
 281 #define _SC_NGROUPS_MAX 3
 282 #define _SC_OPEN_MAX    4
 283 #define _SC_STREAM_MAX  5
 284 #define _SC_TZNAME_MAX  6
 285 #define _SC_JOB_CONTROL 7
 286 #define _SC_SAVED_IDS   8
 287 #define _SC_REALTIME_SIGNALS    9
 288 #define _SC_PRIORITY_SCHEDULING 10
 289 #define _SC_TIMERS      11
 290 #define _SC_ASYNCHRONOUS_IO     12
 291 #define _SC_PRIORITIZED_IO      13
 292 #define _SC_SYNCHRONIZED_IO     14
 293 #define _SC_FSYNC       15
 294 #define _SC_MAPPED_FILES        16
 295 #define _SC_MEMLOCK     17
 296 #define _SC_MEMLOCK_RANGE       18
 297 #define _SC_MEMORY_PROTECTION   19
 298 #define _SC_MESSAGE_PASSING     20
 299 #define _SC_SEMAPHORES  21
 300 #define _SC_SHARED_MEMORY_OBJECTS       22
 301 #define _SC_AIO_LISTIO_MAX      23
 302 #define _SC_AIO_MAX     24
 303 #define _SC_AIO_PRIO_DELTA_MAX  25
 304 #define _SC_DELAYTIMER_MAX      26
 305 #define _SC_MQ_OPEN_MAX 27
 306 #define _SC_MQ_PRIO_MAX 28
 307 #define _SC_VERSION     29
 308 #define _SC_PAGE_SIZE   30
 309 #define _SC_PAGESIZE    30 /* !! */
 310 #define _SC_RTSIG_MAX   31
 311 #define _SC_SEM_NSEMS_MAX       32
 312 #define _SC_SEM_VALUE_MAX       33
 313 #define _SC_SIGQUEUE_MAX        34
 314 #define _SC_TIMER_MAX   35
 315 #define _SC_BC_BASE_MAX 36
 316 #define _SC_BC_DIM_MAX  37
 317 #define _SC_BC_SCALE_MAX        38
 318 #define _SC_BC_STRING_MAX       39
 319 #define _SC_COLL_WEIGHTS_MAX    40
 320 #define _SC_EXPR_NEST_MAX       42
 321 #define _SC_LINE_MAX    43
 322 #define _SC_RE_DUP_MAX  44
 323 #define _SC_2_VERSION   46
 324 #define _SC_2_C_BIND    47
 325 #define _SC_2_C_DEV     48
 326 #define _SC_2_FORT_DEV  49
 327 #define _SC_2_FORT_RUN  50
 328 #define _SC_2_SW_DEV    51
 329 #define _SC_2_LOCALEDEF 52
 330 #define _SC_UIO_MAXIOV  60 /* !! */
 331 #define _SC_IOV_MAX     60
 332 #define _SC_THREADS     67
 333 #define _SC_THREAD_SAFE_FUNCTIONS       68
 334 #define _SC_GETGR_R_SIZE_MAX    69
 335 #define _SC_GETPW_R_SIZE_MAX    70
 336 #define _SC_LOGIN_NAME_MAX      71
 337 #define _SC_TTY_NAME_MAX        72
 338 #define _SC_THREAD_DESTRUCTOR_ITERATIONS        73
 339 #define _SC_THREAD_KEYS_MAX     74
 340 #define _SC_THREAD_STACK_MIN    75
 341 #define _SC_THREAD_THREADS_MAX  76
 342 #define _SC_THREAD_ATTR_STACKADDR       77
 343 #define _SC_THREAD_ATTR_STACKSIZE       78
 344 #define _SC_THREAD_PRIORITY_SCHEDULING  79
 345 #define _SC_THREAD_PRIO_INHERIT 80
 346 #define _SC_THREAD_PRIO_PROTECT 81
 347 #define _SC_THREAD_PROCESS_SHARED       82
 348 #define _SC_NPROCESSORS_CONF    83
 349 #define _SC_NPROCESSORS_ONLN    84
 350 #define _SC_PHYS_PAGES  85
 351 #define _SC_AVPHYS_PAGES        86
 352 #define _SC_ATEXIT_MAX  87
 353 #define _SC_PASS_MAX    88
 354 #define _SC_XOPEN_VERSION       89
 355 #define _SC_XOPEN_XCU_VERSION   90
 356 #define _SC_XOPEN_UNIX  91
 357 #define _SC_XOPEN_CRYPT 92
 358 #define _SC_XOPEN_ENH_I18N      93
 359 #define _SC_XOPEN_SHM   94
 360 #define _SC_2_CHAR_TERM 95
 361 #define _SC_2_UPE       97
 362 #define _SC_XOPEN_XPG2  98
 363 #define _SC_XOPEN_XPG3  99
 364 #define _SC_XOPEN_XPG4  100
 365 #define _SC_NZERO       109
 366 #define _SC_XBS5_ILP32_OFF32    125
 367 #define _SC_XBS5_ILP32_OFFBIG   126
 368 #define _SC_XBS5_LP64_OFF64     127
 369 #define _SC_XBS5_LPBIG_OFFBIG   128
 370 #define _SC_XOPEN_LEGACY        129
 371 #define _SC_XOPEN_REALTIME      130
 372 #define _SC_XOPEN_REALTIME_THREADS      131
 373 #define _SC_ADVISORY_INFO       132
 374 #define _SC_BARRIERS    133
 375 #define _SC_CLOCK_SELECTION     137
 376 #define _SC_CPUTIME     138
 377 #define _SC_THREAD_CPUTIME      139
 378 #define _SC_MONOTONIC_CLOCK     149
 379 #define _SC_READER_WRITER_LOCKS 153
 380 #define _SC_SPIN_LOCKS  154
 381 #define _SC_REGEXP      155
 382 #define _SC_SHELL       157
 383 #define _SC_SPAWN       159
 384 #define _SC_SPORADIC_SERVER     160
 385 #define _SC_THREAD_SPORADIC_SERVER      161
 386 #define _SC_TIMEOUTS    164
 387 #define _SC_TYPED_MEMORY_OBJECTS        165
 388 #define _SC_2_PBS       168
 389 #define _SC_2_PBS_ACCOUNTING    169
 390 #define _SC_2_PBS_LOCATE        170
 391 #define _SC_2_PBS_MESSAGE       171
 392 #define _SC_2_PBS_TRACK 172
 393 #define _SC_SYMLOOP_MAX 173
 394 #define _SC_STREAMS     174
 395 #define _SC_2_PBS_CHECKPOINT    175
 396 #define _SC_V6_ILP32_OFF32      176
 397 #define _SC_V6_ILP32_OFFBIG     177
 398 #define _SC_V6_LP64_OFF64       178
 399 #define _SC_V6_LPBIG_OFFBIG     179
 400 #define _SC_HOST_NAME_MAX       180
 401 #define _SC_TRACE       181
 402 #define _SC_TRACE_EVENT_FILTER  182
 403 #define _SC_TRACE_INHERIT       183
 404 #define _SC_TRACE_LOG   184
 405
 406 #define _SC_IPV6        235
 407 #define _SC_RAW_SOCKETS 236
 408 #define _SC_V7_ILP32_OFF32      237
 409 #define _SC_V7_ILP32_OFFBIG     238
 410 #define _SC_V7_LP64_OFF64       239
 411 #define _SC_V7_LPBIG_OFFBIG     240
 412 #define _SC_SS_REPL_MAX 241
 413 #define _SC_TRACE_EVENT_NAME_MAX        242
 414 #define _SC_TRACE_NAME_MAX      243
 415 #define _SC_TRACE_SYS_MAX       244
 416 #define _SC_TRACE_USER_EVENT_MAX        245
 417 #define _SC_XOPEN_STREAMS       246
 418 #define _SC_THREAD_ROBUST_PRIO_INHERIT  247
 419 #define _SC_THREAD_ROBUST_PRIO_PROTECT  248
 420
 421 #define _CS_PATH        0
 422 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS      1
 423 #define _CS_GNU_LIBC_VERSION    2
 424 #define _CS_GNU_LIBPTHREAD_VERSION      3
 425 #define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS      4
 426 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS      5
 427
 428 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116
 429 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS        1117
 430 #define _CS_POSIX_V6_ILP32_OFF32_LIBS   1118
 431 #define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS      1119
 432 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS        1120
 433 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS       1121
 434 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS  1122
 435 #define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS     1123
 436 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS  1124
 437 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125
 438 #define _CS_POSIX_V6_LP64_OFF64_LIBS    1126
 439 #define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS       1127
 440 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS        1128
 441 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS       1129
 442 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS  1130
 443 #define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS     1131
 444 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132
 445 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS        1133
 446 #define _CS_POSIX_V7_ILP32_OFF32_LIBS   1134
 447 #define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS      1135
 448 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS        1136
 449 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS       1137
 450 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS  1138
 451 #define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS     1139
 452 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS  1140
 453 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141
 454 #define _CS_POSIX_V7_LP64_OFF64_LIBS    1142
 455 #define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS       1143
 456 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS        1144
 457 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS       1145
 458 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS  1146
 459 #define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS     1147
 460 #define _CS_V6_ENV      1148
 461 #define _CS_V7_ENV      1149
 462
 463 #ifdef __cplusplus
 464 }
 465 #endif
 466
 467 #endif