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 #define SEEK_DATA 3
  18 #define SEEK_HOLE 4
  19
  20 #if __cplusplus >= 201103L
  21 #define NULL nullptr
  22 #elif defined(__cplusplus)
  23 #define NULL 0L
  24 #else
  25 #define NULL ((void*)0)
  26 #endif
  27
  28 #define __NEED_size_t
  29 #define __NEED_ssize_t
  30 #define __NEED_uid_t
  31 #define __NEED_gid_t
  32 #define __NEED_off_t
  33 #define __NEED_pid_t
  34 #define __NEED_intptr_t
  35 #define __NEED_useconds_t
  36
  37 #include <bits/alltypes.h>
  38
  39 int pipe(int [2]);
  40 int pipe2(int [2], int);
  41 int close(int);
  42 int posix_close(int, int);
  43 int dup(int);
  44 int dup2(int, int);
  45 int dup3(int, int, int);
  46 off_t lseek(int, off_t, int);
  47 int fsync(int);
  48 int fdatasync(int);
  49
  50 ssize_t read(int, void *, size_t);
  51 ssize_t write(int, const void *, size_t);
  52 ssize_t pread(int, void *, size_t, off_t);
  53 ssize_t pwrite(int, const void *, size_t, off_t);
  54
  55 int chown(const char *, uid_t, gid_t);
  56 int fchown(int, uid_t, gid_t);
  57 int lchown(const char *, uid_t, gid_t);
  58 int fchownat(int, const char *, uid_t, gid_t, int);
  59
  60 int link(const char *, const char *);
  61 int linkat(int, const char *, int, const char *, int);
  62 int symlink(const char *, const char *);
  63 int symlinkat(const char *, int, const char *);
  64 ssize_t readlink(const char *__restrict, char *__restrict, size_t);
  65 ssize_t readlinkat(int, const char *__restrict, char *__restrict, size_t);
  66 int unlink(const char *);
  67 int unlinkat(int, const char *, int);
  68 int rmdir(const char *);
  69 int truncate(const char *, off_t);
  70 int ftruncate(int, off_t);
  71
  72 #define F_OK 0
  73 #define R_OK 4
  74 #define W_OK 2
  75 #define X_OK 1
  76
  77 int access(const char *, int);
  78 int faccessat(int, const char *, int, int);
  79
  80 int chdir(const char *);
  81 int fchdir(int);
  82 char *getcwd(char *, size_t);
  83
  84 unsigned alarm(unsigned);
  85 unsigned sleep(unsigned);
  86 int pause(void);
  87
  88 pid_t fork(void);
  89 pid_t _Fork(void);
  90 int execve(const char *, char *const [], char *const []);
  91 int execv(const char *, char *const []);
  92 int execle(const char *, const char *, ...);
  93 int execl(const char *, const char *, ...);
  94 int execvp(const char *, char *const []);
  95 int execlp(const char *, const char *, ...);
  96 int fexecve(int, char *const [], char *const []);
  97 _Noreturn void _exit(int);
  98
  99 pid_t getpid(void);
 100 pid_t getppid(void);
 101 pid_t getpgrp(void);
 102 pid_t getpgid(pid_t);
 103 int setpgid(pid_t, pid_t);
 104 pid_t setsid(void);
 105 pid_t getsid(pid_t);
 106 char *ttyname(int);
 107 int ttyname_r(int, char *, size_t);
 108 int isatty(int);
 109 pid_t tcgetpgrp(int);
 110 int tcsetpgrp(int, pid_t);
 111
 112 uid_t getuid(void);
 113 uid_t geteuid(void);
 114 gid_t getgid(void);
 115 gid_t getegid(void);
 116 int getgroups(int, gid_t []);
 117 int setuid(uid_t);
 118 int seteuid(uid_t);
 119 int setgid(gid_t);
 120 int setegid(gid_t);
 121
 122 char *getlogin(void);
 123 int getlogin_r(char *, size_t);
 124 int gethostname(char *, size_t);
 125 char *ctermid(char *);
 126
 127 int getopt(int, char * const [], const char *);
 128 extern char *optarg;
 129 extern int optind, opterr, optopt;
 130
 131 long pathconf(const char *, int);
 132 long fpathconf(int, int);
 133 long sysconf(int);
 134 size_t confstr(int, char *, size_t);
 135
 136 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 137 #define F_ULOCK 0
 138 #define F_LOCK  1
 139 #define F_TLOCK 2
 140 #define F_TEST  3
 141 int setreuid(uid_t, uid_t);
 142 int setregid(gid_t, gid_t);
 143 int lockf(int, int, off_t);
 144 long gethostid(void);
 145 int nice(int);
 146 void sync(void);
 147 pid_t setpgrp(void);
 148 char *crypt(const char *, const char *);
 149 void encrypt(char *, int);
 150 void swab(const void *__restrict, void *__restrict, ssize_t);
 151 #endif
 152
 153 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) \
 154  || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE+0 < 700)
 155 int usleep(unsigned);
 156 unsigned ualarm(unsigned, unsigned);
 157 #endif
 158
 159 #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
 160 #define L_SET 0
 161 #define L_INCR 1
 162 #define L_XTND 2
 163 int brk(void *);
 164 void *sbrk(intptr_t);
 165 pid_t vfork(void);
 166 int vhangup(void);
 167 int chroot(const char *);
 168 int getpagesize(void);
 169 int getdtablesize(void);
 170 int sethostname(const char *, size_t);
 171 int getdomainname(char *, size_t);
 172 int setdomainname(const char *, size_t);
 173 int setgroups(size_t, const gid_t *);
 174 char *getpass(const char *);
 175 int daemon(int, int);
 176 void setusershell(void);
 177 void endusershell(void);
 178 char *getusershell(void);
 179 int acct(const char *);
 180 long syscall(long, ...);
 181 int execvpe(const char *, char *const [], char *const []);
 182 int issetugid(void);
 183 int getentropy(void *, size_t);
 184 extern int optreset;
 185 #endif
 186
 187 #ifdef _GNU_SOURCE
 188 extern char **environ;
 189 int setresuid(uid_t, uid_t, uid_t);
 190 int setresgid(gid_t, gid_t, gid_t);
 191 int getresuid(uid_t *, uid_t *, uid_t *);
 192 int getresgid(gid_t *, gid_t *, gid_t *);
 193 char *get_current_dir_name(void);
 194 int syncfs(int);
 195 int euidaccess(const char *, int);
 196 int eaccess(const char *, int);
 197 ssize_t copy_file_range(int, off_t *, int, off_t *, size_t, unsigned);
 198 pid_t gettid(void);
 199 #endif
 200
 201 #if defined(_LARGEFILE64_SOURCE)
 202 #define lseek64 lseek
 203 #define pread64 pread
 204 #define pwrite64 pwrite
 205 #define truncate64 truncate
 206 #define ftruncate64 ftruncate
 207 #define lockf64 lockf
 208 #define off64_t off_t
 209 #endif
 210
 211 #define POSIX_CLOSE_RESTART     0
 212
 213 #define _XOPEN_VERSION          700
 214 #define _XOPEN_UNIX             1
 215 #define _XOPEN_ENH_I18N         1
 216
 217 #define _POSIX_VERSION          200809L
 218 #define _POSIX2_VERSION         _POSIX_VERSION
 219
 220 #define _POSIX_ADVISORY_INFO    _POSIX_VERSION
 221 #define _POSIX_CHOWN_RESTRICTED 1
 222 #define _POSIX_IPV6             _POSIX_VERSION
 223 #define _POSIX_JOB_CONTROL      1
 224 #define _POSIX_MAPPED_FILES     _POSIX_VERSION
 225 #define _POSIX_MEMLOCK          _POSIX_VERSION
 226 #define _POSIX_MEMLOCK_RANGE    _POSIX_VERSION
 227 #define _POSIX_MEMORY_PROTECTION _POSIX_VERSION
 228 #define _POSIX_MESSAGE_PASSING  _POSIX_VERSION
 229 #define _POSIX_FSYNC            _POSIX_VERSION
 230 #define _POSIX_NO_TRUNC         1
 231 #define _POSIX_RAW_SOCKETS      _POSIX_VERSION
 232 #define _POSIX_REALTIME_SIGNALS _POSIX_VERSION
 233 #define _POSIX_REGEXP           1
 234 #define _POSIX_SAVED_IDS        1
 235 #define _POSIX_SHELL            1
 236 #define _POSIX_SPAWN            _POSIX_VERSION
 237 #define _POSIX_VDISABLE         0
 238
 239 #define _POSIX_THREADS          _POSIX_VERSION
 240 #define _POSIX_THREAD_PROCESS_SHARED _POSIX_VERSION
 241 #define _POSIX_THREAD_SAFE_FUNCTIONS _POSIX_VERSION
 242 #define _POSIX_THREAD_ATTR_STACKADDR _POSIX_VERSION
 243 #define _POSIX_THREAD_ATTR_STACKSIZE _POSIX_VERSION
 244 #define _POSIX_THREAD_PRIORITY_SCHEDULING _POSIX_VERSION
 245 #define _POSIX_THREAD_CPUTIME   _POSIX_VERSION
 246 #define _POSIX_TIMERS           _POSIX_VERSION
 247 #define _POSIX_TIMEOUTS         _POSIX_VERSION
 248 #define _POSIX_MONOTONIC_CLOCK  _POSIX_VERSION
 249 #define _POSIX_CPUTIME          _POSIX_VERSION
 250 #define _POSIX_CLOCK_SELECTION  _POSIX_VERSION
 251 #define _POSIX_BARRIERS         _POSIX_VERSION
 252 #define _POSIX_SPIN_LOCKS       _POSIX_VERSION
 253 #define _POSIX_READER_WRITER_LOCKS _POSIX_VERSION
 254 #define _POSIX_ASYNCHRONOUS_IO  _POSIX_VERSION
 255 #define _POSIX_SEMAPHORES       _POSIX_VERSION
 256 #define _POSIX_SHARED_MEMORY_OBJECTS _POSIX_VERSION
 257
 258 #define _POSIX2_C_BIND          _POSIX_VERSION
 259
 260 #include <bits/posix.h>
 261
 262
 263
 264 #define _PC_LINK_MAX    0
 265 #define _PC_MAX_CANON   1
 266 #define _PC_MAX_INPUT   2
 267 #define _PC_NAME_MAX    3
 268 #define _PC_PATH_MAX    4
 269 #define _PC_PIPE_BUF    5
 270 #define _PC_CHOWN_RESTRICTED    6
 271 #define _PC_NO_TRUNC    7
 272 #define _PC_VDISABLE    8
 273 #define _PC_SYNC_IO     9
 274 #define _PC_ASYNC_IO    10
 275 #define _PC_PRIO_IO     11
 276 #define _PC_SOCK_MAXBUF 12
 277 #define _PC_FILESIZEBITS        13
 278 #define _PC_REC_INCR_XFER_SIZE  14
 279 #define _PC_REC_MAX_XFER_SIZE   15
 280 #define _PC_REC_MIN_XFER_SIZE   16
 281 #define _PC_REC_XFER_ALIGN      17
 282 #define _PC_ALLOC_SIZE_MIN      18
 283 #define _PC_SYMLINK_MAX 19
 284 #define _PC_2_SYMLINKS  20
 285
 286 #define _SC_ARG_MAX     0
 287 #define _SC_CHILD_MAX   1
 288 #define _SC_CLK_TCK     2
 289 #define _SC_NGROUPS_MAX 3
 290 #define _SC_OPEN_MAX    4
 291 #define _SC_STREAM_MAX  5
 292 #define _SC_TZNAME_MAX  6
 293 #define _SC_JOB_CONTROL 7
 294 #define _SC_SAVED_IDS   8
 295 #define _SC_REALTIME_SIGNALS    9
 296 #define _SC_PRIORITY_SCHEDULING 10
 297 #define _SC_TIMERS      11
 298 #define _SC_ASYNCHRONOUS_IO     12
 299 #define _SC_PRIORITIZED_IO      13
 300 #define _SC_SYNCHRONIZED_IO     14
 301 #define _SC_FSYNC       15
 302 #define _SC_MAPPED_FILES        16
 303 #define _SC_MEMLOCK     17
 304 #define _SC_MEMLOCK_RANGE       18
 305 #define _SC_MEMORY_PROTECTION   19
 306 #define _SC_MESSAGE_PASSING     20
 307 #define _SC_SEMAPHORES  21
 308 #define _SC_SHARED_MEMORY_OBJECTS       22
 309 #define _SC_AIO_LISTIO_MAX      23
 310 #define _SC_AIO_MAX     24
 311 #define _SC_AIO_PRIO_DELTA_MAX  25
 312 #define _SC_DELAYTIMER_MAX      26
 313 #define _SC_MQ_OPEN_MAX 27
 314 #define _SC_MQ_PRIO_MAX 28
 315 #define _SC_VERSION     29
 316 #define _SC_PAGE_SIZE   30
 317 #define _SC_PAGESIZE    30 /* !! */
 318 #define _SC_RTSIG_MAX   31
 319 #define _SC_SEM_NSEMS_MAX       32
 320 #define _SC_SEM_VALUE_MAX       33
 321 #define _SC_SIGQUEUE_MAX        34
 322 #define _SC_TIMER_MAX   35
 323 #define _SC_BC_BASE_MAX 36
 324 #define _SC_BC_DIM_MAX  37
 325 #define _SC_BC_SCALE_MAX        38
 326 #define _SC_BC_STRING_MAX       39
 327 #define _SC_COLL_WEIGHTS_MAX    40
 328 #define _SC_EXPR_NEST_MAX       42
 329 #define _SC_LINE_MAX    43
 330 #define _SC_RE_DUP_MAX  44
 331 #define _SC_2_VERSION   46
 332 #define _SC_2_C_BIND    47
 333 #define _SC_2_C_DEV     48
 334 #define _SC_2_FORT_DEV  49
 335 #define _SC_2_FORT_RUN  50
 336 #define _SC_2_SW_DEV    51
 337 #define _SC_2_LOCALEDEF 52
 338 #define _SC_UIO_MAXIOV  60 /* !! */
 339 #define _SC_IOV_MAX     60
 340 #define _SC_THREADS     67
 341 #define _SC_THREAD_SAFE_FUNCTIONS       68
 342 #define _SC_GETGR_R_SIZE_MAX    69
 343 #define _SC_GETPW_R_SIZE_MAX    70
 344 #define _SC_LOGIN_NAME_MAX      71
 345 #define _SC_TTY_NAME_MAX        72
 346 #define _SC_THREAD_DESTRUCTOR_ITERATIONS        73
 347 #define _SC_THREAD_KEYS_MAX     74
 348 #define _SC_THREAD_STACK_MIN    75
 349 #define _SC_THREAD_THREADS_MAX  76
 350 #define _SC_THREAD_ATTR_STACKADDR       77
 351 #define _SC_THREAD_ATTR_STACKSIZE       78
 352 #define _SC_THREAD_PRIORITY_SCHEDULING  79
 353 #define _SC_THREAD_PRIO_INHERIT 80
 354 #define _SC_THREAD_PRIO_PROTECT 81
 355 #define _SC_THREAD_PROCESS_SHARED       82
 356 #define _SC_NPROCESSORS_CONF    83
 357 #define _SC_NPROCESSORS_ONLN    84
 358 #define _SC_PHYS_PAGES  85
 359 #define _SC_AVPHYS_PAGES        86
 360 #define _SC_ATEXIT_MAX  87
 361 #define _SC_PASS_MAX    88
 362 #define _SC_XOPEN_VERSION       89
 363 #define _SC_XOPEN_XCU_VERSION   90
 364 #define _SC_XOPEN_UNIX  91
 365 #define _SC_XOPEN_CRYPT 92
 366 #define _SC_XOPEN_ENH_I18N      93
 367 #define _SC_XOPEN_SHM   94
 368 #define _SC_2_CHAR_TERM 95
 369 #define _SC_2_UPE       97
 370 #define _SC_XOPEN_XPG2  98
 371 #define _SC_XOPEN_XPG3  99
 372 #define _SC_XOPEN_XPG4  100
 373 #define _SC_NZERO       109
 374 #define _SC_XBS5_ILP32_OFF32    125
 375 #define _SC_XBS5_ILP32_OFFBIG   126
 376 #define _SC_XBS5_LP64_OFF64     127
 377 #define _SC_XBS5_LPBIG_OFFBIG   128
 378 #define _SC_XOPEN_LEGACY        129
 379 #define _SC_XOPEN_REALTIME      130
 380 #define _SC_XOPEN_REALTIME_THREADS      131
 381 #define _SC_ADVISORY_INFO       132
 382 #define _SC_BARRIERS    133
 383 #define _SC_CLOCK_SELECTION     137
 384 #define _SC_CPUTIME     138
 385 #define _SC_THREAD_CPUTIME      139
 386 #define _SC_MONOTONIC_CLOCK     149
 387 #define _SC_READER_WRITER_LOCKS 153
 388 #define _SC_SPIN_LOCKS  154
 389 #define _SC_REGEXP      155
 390 #define _SC_SHELL       157
 391 #define _SC_SPAWN       159
 392 #define _SC_SPORADIC_SERVER     160
 393 #define _SC_THREAD_SPORADIC_SERVER      161
 394 #define _SC_TIMEOUTS    164
 395 #define _SC_TYPED_MEMORY_OBJECTS        165
 396 #define _SC_2_PBS       168
 397 #define _SC_2_PBS_ACCOUNTING    169
 398 #define _SC_2_PBS_LOCATE        170
 399 #define _SC_2_PBS_MESSAGE       171
 400 #define _SC_2_PBS_TRACK 172
 401 #define _SC_SYMLOOP_MAX 173
 402 #define _SC_STREAMS     174
 403 #define _SC_2_PBS_CHECKPOINT    175
 404 #define _SC_V6_ILP32_OFF32      176
 405 #define _SC_V6_ILP32_OFFBIG     177
 406 #define _SC_V6_LP64_OFF64       178
 407 #define _SC_V6_LPBIG_OFFBIG     179
 408 #define _SC_HOST_NAME_MAX       180
 409 #define _SC_TRACE       181
 410 #define _SC_TRACE_EVENT_FILTER  182
 411 #define _SC_TRACE_INHERIT       183
 412 #define _SC_TRACE_LOG   184
 413
 414 #define _SC_IPV6        235
 415 #define _SC_RAW_SOCKETS 236
 416 #define _SC_V7_ILP32_OFF32      237
 417 #define _SC_V7_ILP32_OFFBIG     238
 418 #define _SC_V7_LP64_OFF64       239
 419 #define _SC_V7_LPBIG_OFFBIG     240
 420 #define _SC_SS_REPL_MAX 241
 421 #define _SC_TRACE_EVENT_NAME_MAX        242
 422 #define _SC_TRACE_NAME_MAX      243
 423 #define _SC_TRACE_SYS_MAX       244
 424 #define _SC_TRACE_USER_EVENT_MAX        245
 425 #define _SC_XOPEN_STREAMS       246
 426 #define _SC_THREAD_ROBUST_PRIO_INHERIT  247
 427 #define _SC_THREAD_ROBUST_PRIO_PROTECT  248
 428 #define _SC_MINSIGSTKSZ 249
 429 #define _SC_SIGSTKSZ    250
 430
 431 #define _CS_PATH        0
 432 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS      1
 433 #define _CS_GNU_LIBC_VERSION    2
 434 #define _CS_GNU_LIBPTHREAD_VERSION      3
 435 #define _CS_POSIX_V5_WIDTH_RESTRICTED_ENVS      4
 436 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS      5
 437
 438 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 1116
 439 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS        1117
 440 #define _CS_POSIX_V6_ILP32_OFF32_LIBS   1118
 441 #define _CS_POSIX_V6_ILP32_OFF32_LINTFLAGS      1119
 442 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS        1120
 443 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS       1121
 444 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS  1122
 445 #define _CS_POSIX_V6_ILP32_OFFBIG_LINTFLAGS     1123
 446 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS  1124
 447 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 1125
 448 #define _CS_POSIX_V6_LP64_OFF64_LIBS    1126
 449 #define _CS_POSIX_V6_LP64_OFF64_LINTFLAGS       1127
 450 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS        1128
 451 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS       1129
 452 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS  1130
 453 #define _CS_POSIX_V6_LPBIG_OFFBIG_LINTFLAGS     1131
 454 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 1132
 455 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS        1133
 456 #define _CS_POSIX_V7_ILP32_OFF32_LIBS   1134
 457 #define _CS_POSIX_V7_ILP32_OFF32_LINTFLAGS      1135
 458 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS        1136
 459 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS       1137
 460 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS  1138
 461 #define _CS_POSIX_V7_ILP32_OFFBIG_LINTFLAGS     1139
 462 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS  1140
 463 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 1141
 464 #define _CS_POSIX_V7_LP64_OFF64_LIBS    1142
 465 #define _CS_POSIX_V7_LP64_OFF64_LINTFLAGS       1143
 466 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS        1144
 467 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS       1145
 468 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS  1146
 469 #define _CS_POSIX_V7_LPBIG_OFFBIG_LINTFLAGS     1147
 470 #define _CS_V6_ENV      1148
 471 #define _CS_V7_ENV      1149
 472 #define _CS_POSIX_V7_THREADS_CFLAGS     1150
 473 #define _CS_POSIX_V7_THREADS_LDFLAGS    1151
 474
 475 #ifdef __cplusplus
 476 }
 477 #endif
 478
 479 #endif