1 /*- 2 * Copyright (c) 1991, 1993, 1994 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 * 33 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 34 * $FreeBSD: src/include/unistd.h,v 1.93 2009/03/14 19:11:08 das Exp $ 35 */ 36 37 #ifndef _UNISTD_H_ 38 #define _UNISTD_H_ 39 40 #include <sys/cdefs.h> 41 #include <sys/types.h> /* XXX adds too much pollution. */ 42 #include <sys/unistd.h> 43 #include <sys/_null.h> 44 45 #ifndef __returns_twice /* help with buildworld bootstrap */ 46 #define __returns_twice 47 #endif 48 49 #ifndef _GID_T_DECLARED 50 typedef __gid_t gid_t; 51 #define _GID_T_DECLARED 52 #endif 53 54 #ifndef _OFF_T_DECLARED 55 typedef __off_t off_t; 56 #define _OFF_T_DECLARED 57 #endif 58 59 #ifndef _PID_T_DECLARED 60 typedef __pid_t pid_t; 61 #define _PID_T_DECLARED 62 #endif 63 64 #ifndef _SIZE_T_DECLARED 65 typedef __size_t size_t; 66 #define _SIZE_T_DECLARED 67 #endif 68 69 #ifndef _SSIZE_T_DECLARED 70 typedef __ssize_t ssize_t; 71 #define _SSIZE_T_DECLARED 72 #endif 73 74 #ifndef _UID_T_DECLARED 75 typedef __uid_t uid_t; 76 #define _UID_T_DECLARED 77 #endif 78 79 #define STDIN_FILENO 0 /* standard input file descriptor */ 80 #define STDOUT_FILENO 1 /* standard output file descriptor */ 81 #define STDERR_FILENO 2 /* standard error file descriptor */ 82 83 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 84 #define F_ULOCK 0 /* unlock locked section */ 85 #define F_LOCK 1 /* lock a section for exclusive use */ 86 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 87 #define F_TEST 3 /* test a section for locks by other procs */ 88 #endif 89 90 /* 91 * POSIX options and option groups we unconditionally do or don't 92 * implement. This list includes those options which are exclusively 93 * implemented (or not) in user mode. Please keep this list in 94 * alphabetical order. 95 * 96 * Anything which is defined as zero below **must** have an 97 * implementation for the corresponding sysconf() which is able to 98 * determine conclusively whether or not the feature is supported. 99 * Anything which is defined as other than -1 below **must** have 100 * complete headers, types, and function declarations as specified by 101 * the POSIX standard; however, if the relevant sysconf() function 102 * returns -1, the functions may be stubbed out. 103 */ 104 #define _POSIX_READER_WRITER_LOCKS 200112L 105 #define _POSIX_REGEXP 1 /* mandatory */ 106 #define _POSIX_SHELL 1 /* mandatory */ 107 #define _POSIX_SPAWN 200112L 108 #define _POSIX_THREAD_ATTR_STACKADDR 200112L 109 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L 110 #define _POSIX_THREAD_CPUTIME -1 111 #define _POSIX_THREAD_PRIO_INHERIT 200112L 112 #define _POSIX_THREAD_PRIO_PROTECT 200112L 113 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 114 #define _POSIX_THREAD_PROCESS_SHARED -1 115 #define _POSIX_THREAD_SAFE_FUNCTIONS -1 116 #define _POSIX_THREAD_SPORADIC_SERVER -1 117 #define _POSIX_THREADS 200112L 118 #define _POSIX_TRACE -1 /* [TRC] obsolescent */ 119 #define _POSIX_TRACE_EVENT_FILTER -1 /* [TEF] obsolescent */ 120 #define _POSIX_TRACE_INHERIT -1 /* [TRI] obsolescent */ 121 #define _POSIX_TRACE_LOG -1 /* [TRL] obsolescent */ 122 123 #define _POSIX2_C_BIND 200809L /* mandatory */ 124 #define _POSIX2_C_DEV 200809L /* [CD] */ 125 #define _POSIX2_CHAR_TERM 1 126 #define _POSIX2_FORT_DEV -1 /* [FD] need fort77 utility */ 127 #define _POSIX2_FORT_RUN 200809L /* [FR] */ 128 #define _POSIX2_LOCALEDEF 200809L 129 #define _POSIX2_PBS -1 /* [BE] obsolescent */ 130 #define _POSIX2_PBS_ACCOUNTING -1 /* [BE] obsolescent */ 131 #define _POSIX2_PBS_CHECKPOINT -1 /* [BE] obsolescent */ 132 #define _POSIX2_PBS_LOCATE -1 /* [BE] obsolescent */ 133 #define _POSIX2_PBS_MESSAGE -1 /* [BE] obsolescent */ 134 #define _POSIX2_PBS_TRACK -1 /* [BE] obsolescent */ 135 #define _POSIX2_SW_DEV 200809L /* [SD] */ 136 #define _POSIX2_UPE 200809L /* [UP] */ 137 138 #define _V6_ILP32_OFF32 -1 139 #define _V6_ILP32_OFFBIG 0 140 #define _V6_LP64_OFF64 0 141 #define _V6_LPBIG_OFFBIG -1 142 143 #define _V7_ILP32_OFF32 -1 144 #define _V7_ILP32_OFFBIG 0 145 #define _V7_LP64_OFF64 0 146 #define _V7_LPBIG_OFFBIG -1 147 148 #if __XSI_VISIBLE 149 #define _XOPEN_CRYPT -1 /* XXX ??? */ 150 #define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 151 #define _XOPEN_LEGACY -1 152 #define _XOPEN_REALTIME -1 153 #define _XOPEN_REALTIME_THREADS -1 154 #define _XOPEN_UNIX -1 155 #endif 156 157 /* Define the POSIX.2 version we target for compliance. */ 158 #define _POSIX2_VERSION 199212L 159 160 /* 161 * POSIX-style system configuration variable accessors (for the 162 * sysconf function). The kernel does not directly implement the 163 * sysconf() interface; rather, a C library stub translates references 164 * to sysconf() into calls to sysctl() using a giant switch statement. 165 * Those that are marked `user' are implemented entirely in the C 166 * library and never query the kernel. pathconf() is implemented 167 * directly by the kernel so those are not defined here. 168 */ 169 #define _SC_ARG_MAX 1 170 #define _SC_CHILD_MAX 2 171 #define _SC_CLK_TCK 3 172 #define _SC_NGROUPS_MAX 4 173 #define _SC_OPEN_MAX 5 174 #define _SC_JOB_CONTROL 6 175 #define _SC_SAVED_IDS 7 176 #define _SC_VERSION 8 177 #define _SC_BC_BASE_MAX 9 /* user */ 178 #define _SC_BC_DIM_MAX 10 /* user */ 179 #define _SC_BC_SCALE_MAX 11 /* user */ 180 #define _SC_BC_STRING_MAX 12 /* user */ 181 #define _SC_COLL_WEIGHTS_MAX 13 /* user */ 182 #define _SC_EXPR_NEST_MAX 14 /* user */ 183 #define _SC_LINE_MAX 15 /* user */ 184 #define _SC_RE_DUP_MAX 16 /* user */ 185 #define _SC_2_VERSION 17 /* user */ 186 #define _SC_2_C_BIND 18 /* user */ 187 #define _SC_2_C_DEV 19 /* user */ 188 #define _SC_2_CHAR_TERM 20 /* user */ 189 #define _SC_2_FORT_DEV 21 /* user */ 190 #define _SC_2_FORT_RUN 22 /* user */ 191 #define _SC_2_LOCALEDEF 23 /* user */ 192 #define _SC_2_SW_DEV 24 /* user */ 193 #define _SC_2_UPE 25 /* user */ 194 #define _SC_STREAM_MAX 26 /* user */ 195 #define _SC_TZNAME_MAX 27 /* user */ 196 197 #if __POSIX_VISIBLE >= 199309 198 #define _SC_ASYNCHRONOUS_IO 28 199 #define _SC_MAPPED_FILES 29 200 #define _SC_MEMLOCK 30 201 #define _SC_MEMLOCK_RANGE 31 202 #define _SC_MEMORY_PROTECTION 32 203 #define _SC_MESSAGE_PASSING 33 204 #define _SC_PRIORITIZED_IO 34 205 #define _SC_PRIORITY_SCHEDULING 35 206 #define _SC_REALTIME_SIGNALS 36 207 #define _SC_SEMAPHORES 37 208 #define _SC_FSYNC 38 209 #define _SC_SHARED_MEMORY_OBJECTS 39 210 #define _SC_SYNCHRONIZED_IO 40 211 #define _SC_TIMERS 41 212 #define _SC_AIO_LISTIO_MAX 42 213 #define _SC_AIO_MAX 43 214 #define _SC_AIO_PRIO_DELTA_MAX 44 215 #define _SC_DELAYTIMER_MAX 45 216 #define _SC_MQ_OPEN_MAX 46 217 #define _SC_PAGESIZE 47 218 #define _SC_RTSIG_MAX 48 219 #define _SC_SEM_NSEMS_MAX 49 220 #define _SC_SEM_VALUE_MAX 50 221 #define _SC_SIGQUEUE_MAX 51 222 #define _SC_TIMER_MAX 52 223 #endif 224 225 #if __POSIX_VISIBLE >= 200112 226 #define _SC_2_PBS 59 /* user */ 227 #define _SC_2_PBS_ACCOUNTING 60 /* user */ 228 #define _SC_2_PBS_CHECKPOINT 61 /* user */ 229 #define _SC_2_PBS_LOCATE 62 /* user */ 230 #define _SC_2_PBS_MESSAGE 63 /* user */ 231 #define _SC_2_PBS_TRACK 64 /* user */ 232 #define _SC_ADVISORY_INFO 65 233 #define _SC_BARRIERS 66 /* user */ 234 #define _SC_CLOCK_SELECTION 67 235 #define _SC_CPUTIME 68 236 #define _SC_FILE_LOCKING 69 237 #define _SC_GETGR_R_SIZE_MAX 70 /* user */ 238 #define _SC_GETPW_R_SIZE_MAX 71 /* user */ 239 #define _SC_HOST_NAME_MAX 72 240 #define _SC_LOGIN_NAME_MAX 73 241 #define _SC_MONOTONIC_CLOCK 74 242 #define _SC_MQ_PRIO_MAX 75 243 #define _SC_READER_WRITER_LOCKS 76 /* user */ 244 #define _SC_REGEXP 77 /* user */ 245 #define _SC_SHELL 78 /* user */ 246 #define _SC_SPAWN 79 /* user */ 247 #define _SC_SPIN_LOCKS 80 /* user */ 248 #define _SC_SPORADIC_SERVER 81 249 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 250 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 251 #define _SC_THREAD_CPUTIME 84 /* user */ 252 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 253 #define _SC_THREAD_KEYS_MAX 86 /* user */ 254 #define _SC_THREAD_PRIO_INHERIT 87 /* user */ 255 #define _SC_THREAD_PRIO_PROTECT 88 /* user */ 256 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 257 #define _SC_THREAD_PROCESS_SHARED 90 /* user */ 258 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 259 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 260 #define _SC_THREAD_STACK_MIN 93 /* user */ 261 #define _SC_THREAD_THREADS_MAX 94 /* user */ 262 #define _SC_TIMEOUTS 95 /* user */ 263 #define _SC_THREADS 96 /* user */ 264 #define _SC_TRACE 97 /* user */ 265 #define _SC_TRACE_EVENT_FILTER 98 /* user */ 266 #define _SC_TRACE_INHERIT 99 /* user */ 267 #define _SC_TRACE_LOG 100 /* user */ 268 #define _SC_TTY_NAME_MAX 101 /* user */ 269 #define _SC_TYPED_MEMORY_OBJECTS 102 270 #define _SC_V6_ILP32_OFF32 103 /* user */ 271 #define _SC_V6_ILP32_OFFBIG 104 /* user */ 272 #define _SC_V6_LP64_OFF64 105 /* user */ 273 #define _SC_V6_LPBIG_OFFBIG 106 /* user */ 274 #define _SC_IPV6 118 275 #define _SC_RAW_SOCKETS 119 276 #define _SC_SYMLOOP_MAX 120 277 #endif 278 279 #if __XSI_VISIBLE 280 #define _SC_ATEXIT_MAX 107 /* user */ 281 #define _SC_IOV_MAX 56 282 #define _SC_PAGE_SIZE _SC_PAGESIZE 283 #define _SC_XOPEN_CRYPT 108 /* user */ 284 #define _SC_XOPEN_ENH_I18N 109 /* user */ 285 #define _SC_XOPEN_LEGACY 110 /* user */ 286 #define _SC_XOPEN_REALTIME 111 287 #define _SC_XOPEN_REALTIME_THREADS 112 288 #define _SC_XOPEN_SHM 113 289 #define _SC_XOPEN_STREAMS 114 290 #define _SC_XOPEN_UNIX 115 291 #define _SC_XOPEN_VERSION 116 292 #define _SC_XOPEN_XCU_VERSION 117 /* user */ 293 #endif 294 295 #if __BSD_VISIBLE 296 #define _SC_NPROCESSORS_CONF 57 297 #define _SC_NPROCESSORS_ONLN 58 298 #endif 299 300 /* Extensions found in Solaris and Linux. */ 301 #define _SC_PHYS_PAGES 121 302 303 #if __POSIX_VISIBLE >= 200809 304 #define _SC_V7_ILP32_OFF32 122 /* user */ 305 #define _SC_V7_ILP32_OFFBIG 123 /* user */ 306 #define _SC_V7_LP64_OFF64 124 /* user */ 307 #define _SC_V7_LPBIG_OFFBIG 125 /* user */ 308 #endif 309 310 /* Keys for the confstr(3) function. */ 311 #if __POSIX_VISIBLE >= 199209 312 #define _CS_PATH 1 /* default value of PATH */ 313 #endif 314 315 #if __POSIX_VISIBLE >= 200112 316 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 317 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 318 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 319 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 320 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 321 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 322 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 323 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 324 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10 325 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 326 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 327 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 328 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 329 #endif 330 331 #if __POSIX_VISIBLE >= 200809 332 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 15 333 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 16 334 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 17 335 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 18 336 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 19 337 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 20 338 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 21 339 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 22 340 #define _CS_POSIX_V7_LP64_OFF64_LIBS 23 341 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 24 342 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 25 343 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 26 344 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 27 345 #endif 346 347 __BEGIN_DECLS 348 /* 1003.1-1990 */ 349 void _exit(int) __dead2; 350 int access(const char *, int); 351 unsigned int alarm(unsigned int); 352 int chdir(const char *); 353 int chown(const char *, uid_t, gid_t); 354 int close(int); 355 int dup(int); 356 int dup2(int, int); 357 #if __BSD_VISIBLE 358 int eaccess(const char *, int); 359 #endif 360 int execl(const char *, const char *, ...); 361 int execle(const char *, const char *, ...); 362 int execlp(const char *, const char *, ...); 363 int execv(const char *, char * const *); 364 int execve(const char *, char * const *, char * const *); 365 int execvp(const char *, char * const *); 366 pid_t fork(void); 367 long fpathconf(int, int); 368 char *getcwd(char *, size_t); 369 gid_t getegid(void); 370 uid_t geteuid(void); 371 gid_t getgid(void); 372 int getgroups(int, gid_t []); 373 char *getlogin(void); 374 pid_t getpgrp(void); 375 pid_t getpid(void); 376 pid_t getppid(void); 377 uid_t getuid(void); 378 int isatty(int); 379 int link(const char *, const char *); 380 #ifndef _LSEEK_DECLARED 381 #define _LSEEK_DECLARED 382 off_t lseek(int, off_t, int); 383 #endif 384 long pathconf(const char *, int); 385 int pause(void); 386 int pipe(int *); 387 int pipe2(int *, int); 388 ssize_t read(int, void *, size_t); 389 int rmdir(const char *); 390 int setgid(gid_t); 391 int setpgid(pid_t, pid_t); 392 pid_t setsid(void); 393 int setuid(uid_t); 394 unsigned int sleep(unsigned int); 395 long sysconf(int); 396 pid_t tcgetpgrp(int); 397 int tcsetpgrp(int, pid_t); 398 char *ttyname(int); 399 int ttyname_r(int, char *, size_t); 400 int unlink(const char *); 401 ssize_t write(int, const void *, size_t); 402 403 /* 1003.2-1992 */ 404 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 405 size_t confstr(int, char *, size_t); 406 #ifndef _GETOPT_DECLARED 407 #define _GETOPT_DECLARED 408 int getopt(int, char * const [], const char *); 409 410 extern char *optarg; /* getopt(3) external variables */ 411 extern int optind, opterr, optopt; 412 #endif /* _GETOPT_DECLARED */ 413 #endif 414 415 /* ISO/IEC 9945-1: 1996 */ 416 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 417 int fsync(int); 418 419 /* 420 * ftruncate() was in the POSIX Realtime Extension (it's used for shared 421 * memory), but truncate() was not. 422 */ 423 #ifndef _FTRUNCATE_DECLARED 424 #define _FTRUNCATE_DECLARED 425 int ftruncate(int, off_t); 426 #endif 427 #endif 428 429 #if __POSIX_VISIBLE >= 199506 430 int getlogin_r(char *, int); 431 #endif 432 433 /* 1003.1-2001 */ 434 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 435 int fchown(int, uid_t, gid_t); 436 ssize_t readlink(const char * __restrict, char * __restrict, size_t); 437 #endif 438 #if __POSIX_VISIBLE >= 200112 439 int gethostname(char *, size_t); 440 int setegid(gid_t); 441 int seteuid(uid_t); 442 #endif 443 444 /* 1003.1-2008 */ 445 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 446 int getsid(pid_t _pid); 447 int fchdir(int); 448 int getpgid(pid_t _pid); 449 int lchown(const char *, uid_t, gid_t); 450 #ifndef _MKDTEMP_DECLARED 451 char *mkdtemp(char *); 452 #define _MKDTEMP_DECLARED 453 #endif 454 #ifndef _MKSTEMP_DECLARED 455 int mkstemp(char *); 456 #define _MKSTEMP_DECLARED 457 #endif 458 ssize_t pread(int, void *, size_t, off_t); 459 ssize_t pwrite(int, const void *, size_t, off_t); 460 461 /* See comment at ftruncate() above. */ 462 #ifndef _TRUNCATE_DECLARED 463 #define _TRUNCATE_DECLARED 464 int truncate(const char *, off_t); 465 #endif 466 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 467 468 #if __POSIX_VISIBLE >= 200809 469 int faccessat(int, const char *, int, int); 470 int fchownat(int, const char *, uid_t, gid_t, int); 471 #if 0 472 int fexecve(int, char *const [], char *const []); 473 #endif 474 int linkat(int, const char *, int, const char *, int); 475 ssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t); 476 int symlinkat(const char *, int, const char *); 477 int unlinkat(int, const char *, int); 478 #endif /* __POSIX_VISIBLE >= 200809 */ 479 480 /* 481 * symlink() was originally in POSIX.1a, which was withdrawn after 482 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 483 * course has been in BSD since 4.2. 484 */ 485 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 486 int symlink(const char * __restrict, const char * __restrict); 487 #endif 488 489 /* X/Open System Interfaces */ 490 #if __XSI_VISIBLE 491 char *crypt(const char *, const char *); 492 /* char *ctermid(char *); */ /* XXX ??? */ 493 int encrypt(char *, int); 494 long gethostid(void); 495 int lockf(int, int, off_t); 496 int nice(int); 497 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 498 int setregid(gid_t, gid_t); 499 int setreuid(uid_t, uid_t); 500 501 #ifndef _SWAB_DECLARED 502 #define _SWAB_DECLARED 503 void swab(const void * __restrict, void * __restrict, ssize_t); 504 #endif /* _SWAB_DECLARED */ 505 506 void sync(void); 507 508 #endif /* __XSI_VISIBLE */ 509 510 #if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE 511 int brk(const void *); 512 int chroot(const char *); 513 int chroot_kernel(const char *); 514 int getdtablesize(void); 515 int getpagesize(void) __pure2; 516 char *getpass(const char *); 517 void *sbrk(intptr_t); 518 #endif 519 520 #if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE 521 char *getwd(char *); /* LEGACY (obsoleted by getcwd()) */ 522 unsigned int 523 ualarm(unsigned int, unsigned int); 524 int usleep(unsigned int); 525 pid_t vfork(void) __returns_twice; 526 #endif 527 528 #if __BSD_VISIBLE 529 struct iovec; 530 int acct(const char *); 531 int async_daemon(void); 532 int closefrom(int); 533 const char * 534 crypt_get_format(void); 535 int crypt_set_format(const char *); 536 void endusershell(void); 537 int exect(const char *, char * const *, char * const *); 538 int execvP(const char *, const char *, char * const *); 539 void extexit(int, int, void *); 540 ssize_t extpread(int, void *, size_t, int, off_t); 541 ssize_t extpreadv(int, const struct iovec *, u_int, int, off_t); 542 ssize_t extpwrite(int, const void *, size_t, int, off_t); 543 ssize_t extpwritev(int, const struct iovec *, u_int, int, off_t); 544 char *fflagstostr(u_long); 545 int getdomainname(char *, int); 546 int getgrouplist(const char *, gid_t, gid_t *, int *); 547 mode_t getmode(const void *, mode_t); 548 int getosreldate(void); 549 int getpeereid(int, uid_t *, gid_t *); 550 int getresgid(gid_t *, gid_t *, gid_t *); 551 int getresuid(uid_t *, uid_t *, uid_t *); 552 char *getusershell(void); 553 int initgroups(const char *, gid_t); 554 int iruserok(unsigned long, int, const char *, const char *); 555 int iruserok_sa(const void *, int, int, const char *, const char *); 556 int issetugid(void); 557 long lpathconf(const char *, int); 558 int lwp_create(struct lwp_params *); 559 lwpid_t lwp_gettid(void); 560 #ifndef _MKNOD_DECLARED 561 int mknod(const char *, mode_t, dev_t); 562 #define _MKNOD_DECLARED 563 #endif 564 int mkstemps(char *, int); 565 #ifndef _MKTEMP_DECLARED 566 char *mktemp(char *); 567 #define _MKTEMP_DECLARED 568 #endif 569 int nfssvc(int, void *); 570 int profil(char *, size_t, vm_offset_t, int); 571 int rcmd(char **, int, const char *, const char *, const char *, int *); 572 int rcmd_af(char **, int, const char *, const char *, const char *, int *, 573 int); 574 int rcmdsh(char **, int, const char *, const char *, const char *, 575 const char *); 576 char *re_comp(const char *); 577 int re_exec(const char *); 578 int reboot(int); 579 int revoke(const char *); 580 pid_t rfork(int); 581 pid_t rfork_thread(int, void *, int (*)(void *), void *); 582 int rresvport(int *); 583 int rresvport_af(int *, int); 584 int ruserok(const char *, int, const char *, const char *); 585 int setdomainname(const char *, int); 586 int setgroups(int, const gid_t *); 587 void sethostid(long); 588 int sethostname(const char *, int); 589 int setlogin(const char *); 590 void *setmode(const char *); 591 void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 592 int setresgid(gid_t, gid_t, gid_t); 593 int setresuid(uid_t, uid_t, uid_t); 594 int setrgid(gid_t); 595 int setruid(uid_t); 596 void setusershell(void); 597 int strtofflags(char **, u_long *, u_long *); 598 int swapoff(const char *); 599 int swapon(const char *); 600 int syscall(int, ...); 601 off_t __syscall(quad_t, ...); 602 int ttyslot(void); 603 int umtx_sleep(volatile const int *, int , int); 604 int umtx_wakeup(volatile const int *, int); 605 int undelete(const char *); 606 void *valloc(size_t); /* obsoleted by malloc() */ 607 int varsym_get(int, const char *, char *, int); 608 int varsym_list(int, char *, int, int *); 609 int varsym_set(int, const char *, const char *); 610 611 #ifndef _OPTRESET_DECLARED 612 #define _OPTRESET_DECLARED 613 extern int optreset; /* getopt(3) external variable */ 614 #endif 615 #endif /* __BSD_VISIBLE */ 616 __END_DECLS 617 618 #endif /* !_UNISTD_H_ */ 619