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. Neither the name of the University nor the names of its contributors 14 * may be used to endorse or promote products derived from this software 15 * without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 30 * $FreeBSD: src/include/unistd.h,v 1.93 2009/03/14 19:11:08 das Exp $ 31 */ 32 33 #ifndef _UNISTD_H_ 34 #define _UNISTD_H_ 35 36 #include <sys/cdefs.h> 37 #include <sys/types.h> /* XXX adds too much pollution. */ 38 #include <sys/unistd.h> 39 #include <sys/_null.h> 40 41 #if __XSI_VISIBLE 42 #ifndef _INTPTR_T_DECLARED 43 typedef __intptr_t intptr_t; 44 #define _INTPTR_T_DECLARED 45 #endif 46 #endif /* __XSI_VISIBLE */ 47 48 #ifndef _GID_T_DECLARED 49 typedef __uint32_t gid_t; /* XXX __gid_t */ 50 #define _GID_T_DECLARED 51 #endif 52 53 #ifndef _OFF_T_DECLARED 54 typedef __off_t off_t; 55 #define _OFF_T_DECLARED 56 #endif 57 58 #ifndef _PID_T_DECLARED 59 typedef __pid_t pid_t; 60 #define _PID_T_DECLARED 61 #endif 62 63 #ifndef _SIZE_T_DECLARED 64 typedef __size_t size_t; /* _GCC_SIZE_T OK */ 65 #define _SIZE_T_DECLARED 66 #endif 67 68 #ifndef _SSIZE_T_DECLARED 69 typedef __ssize_t ssize_t; 70 #define _SSIZE_T_DECLARED 71 #endif 72 73 #ifndef _UID_T_DECLARED 74 typedef __uint32_t uid_t; /* XXX __uid_t */ 75 #define _UID_T_DECLARED 76 #endif 77 78 #define STDIN_FILENO 0 /* standard input file descriptor */ 79 #define STDOUT_FILENO 1 /* standard output file descriptor */ 80 #define STDERR_FILENO 2 /* standard error file descriptor */ 81 82 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 83 #define F_ULOCK 0 /* unlock locked section */ 84 #define F_LOCK 1 /* lock a section for exclusive use */ 85 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 86 #define F_TEST 3 /* test a section for locks by other procs */ 87 #endif 88 89 /* 90 * Extended API support (DragonFly specific) 91 */ 92 #if __BSD_VISIBLE 93 94 #define _HAVE_EXTEXIT 1 95 #define _HAVE_EXTPREAD 1 96 #define _HAVE_EXTPREADV 1 97 #define _HAVE_EXTPWRITE 1 98 #define _HAVE_EXTPWRITEV 1 99 100 #endif 101 102 /* 103 * POSIX options and option groups we unconditionally do or don't 104 * implement. This list includes those options which are exclusively 105 * implemented (or not) in user mode. Please keep this list in 106 * alphabetical order. 107 * 108 * Anything which is defined as zero below **must** have an 109 * implementation for the corresponding sysconf() which is able to 110 * determine conclusively whether or not the feature is supported. 111 * Anything which is defined as other than -1 below **must** have 112 * complete headers, types, and function declarations as specified by 113 * the POSIX standard; however, if the relevant sysconf() function 114 * returns -1, the functions may be stubbed out. 115 */ 116 #define _POSIX_READER_WRITER_LOCKS 200112L /* mandatory ([THR]) */ 117 #define _POSIX_REGEXP 1 /* mandatory */ 118 #define _POSIX_SHELL 1 /* mandatory */ 119 #define _POSIX_SPAWN 200112L /* [SPN] */ 120 #define _POSIX_THREAD_ATTR_STACKADDR 200112L /* [TSA] */ 121 #define _POSIX_THREAD_ATTR_STACKSIZE 200112L /* [TSS] */ 122 #define _POSIX_THREAD_PRIO_INHERIT 200112L /* [TPI] */ 123 #define _POSIX_THREAD_PRIO_PROTECT 200112L /* [TPP] */ 124 #define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L /* [TPS] */ 125 #define _POSIX_THREAD_PROCESS_SHARED -1 /* [TSH] */ 126 #define _POSIX_THREAD_ROBUST_PRIO_INHERIT -1 /* [RPI] */ 127 #define _POSIX_THREAD_ROBUST_PRIO_PROTECT -1 /* [RPP] */ 128 #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L /* mandatory ([TSF]) */ 129 #define _POSIX_THREAD_SPORADIC_SERVER -1 /* [TSP] */ 130 #define _POSIX_THREADS 200112L /* mandatory ([THR]) */ 131 #define _POSIX_TRACE -1 /* [TRC] obsolescent */ 132 #define _POSIX_TRACE_EVENT_FILTER -1 /* [TEF] obsolescent */ 133 #define _POSIX_TRACE_INHERIT -1 /* [TRI] obsolescent */ 134 #define _POSIX_TRACE_LOG -1 /* [TRL] obsolescent */ 135 136 #define _POSIX2_C_BIND 200809L /* mandatory */ 137 #define _POSIX2_C_DEV 200809L /* [CD] */ 138 #define _POSIX2_CHAR_TERM 1 139 #define _POSIX2_FORT_DEV -1 /* [FD] obsolescent */ 140 #define _POSIX2_FORT_RUN 200809L /* [FR] */ 141 #define _POSIX2_LOCALEDEF 200809L 142 #define _POSIX2_PBS -1 /* [BE] obsolescent */ 143 #define _POSIX2_PBS_ACCOUNTING -1 /* [BE] obsolescent */ 144 #define _POSIX2_PBS_CHECKPOINT -1 /* [BE] obsolescent */ 145 #define _POSIX2_PBS_LOCATE -1 /* [BE] obsolescent */ 146 #define _POSIX2_PBS_MESSAGE -1 /* [BE] obsolescent */ 147 #define _POSIX2_PBS_TRACK -1 /* [BE] obsolescent */ 148 #define _POSIX2_SW_DEV 200809L /* [SD] */ 149 #define _POSIX2_UPE 200809L /* [UP] */ 150 151 #define _V6_ILP32_OFF32 -1 152 #define _V6_ILP32_OFFBIG 0 153 #define _V6_LP64_OFF64 0 154 #define _V6_LPBIG_OFFBIG -1 155 156 #define _V7_ILP32_OFF32 -1 157 #define _V7_ILP32_OFFBIG 0 158 #define _V7_LP64_OFF64 0 159 #define _V7_LPBIG_OFFBIG -1 160 161 #if __XSI_VISIBLE 162 #define _XOPEN_CRYPT -1 163 #define _XOPEN_ENH_I18N 1 /* mandatory */ 164 #define _XOPEN_LEGACY -1 /* until _XOPEN_SOURCE < 700 */ 165 #define _XOPEN_REALTIME -1 /* missing: [ML] and [SIO] */ 166 #define _XOPEN_REALTIME_THREADS -1 /* missing: [RPI] and [RPP] */ 167 #define _XOPEN_UNIX -1 168 #endif 169 170 /* Define the POSIX.2 version we target for compliance. */ 171 #define _POSIX2_VERSION 199212L 172 173 /* 174 * POSIX-style system configuration variable accessors (for the 175 * sysconf function). The kernel does not directly implement the 176 * sysconf() interface; rather, a C library stub translates references 177 * to sysconf() into calls to sysctl() using a giant switch statement. 178 * Those that are marked `user' are implemented entirely in the C 179 * library and never query the kernel. pathconf() is implemented 180 * directly by the kernel so those are not defined here. 181 */ 182 #define _SC_ARG_MAX 1 183 #define _SC_CHILD_MAX 2 184 #define _SC_CLK_TCK 3 185 #define _SC_NGROUPS_MAX 4 186 #define _SC_OPEN_MAX 5 187 #define _SC_JOB_CONTROL 6 188 #define _SC_SAVED_IDS 7 189 #define _SC_VERSION 8 190 #define _SC_BC_BASE_MAX 9 /* user */ 191 #define _SC_BC_DIM_MAX 10 /* user */ 192 #define _SC_BC_SCALE_MAX 11 /* user */ 193 #define _SC_BC_STRING_MAX 12 /* user */ 194 #define _SC_COLL_WEIGHTS_MAX 13 /* user */ 195 #define _SC_EXPR_NEST_MAX 14 /* user */ 196 #define _SC_LINE_MAX 15 /* user */ 197 #define _SC_RE_DUP_MAX 16 /* user */ 198 #define _SC_2_VERSION 17 /* user */ 199 #define _SC_2_C_BIND 18 /* user */ 200 #define _SC_2_C_DEV 19 /* user */ 201 #define _SC_2_CHAR_TERM 20 /* user */ 202 #define _SC_2_FORT_DEV 21 /* user */ 203 #define _SC_2_FORT_RUN 22 /* user */ 204 #define _SC_2_LOCALEDEF 23 /* user */ 205 #define _SC_2_SW_DEV 24 /* user */ 206 #define _SC_2_UPE 25 /* user */ 207 #define _SC_STREAM_MAX 26 /* user */ 208 #define _SC_TZNAME_MAX 27 /* user */ 209 210 #if __POSIX_VISIBLE >= 199309 211 #define _SC_ASYNCHRONOUS_IO 28 212 #define _SC_MAPPED_FILES 29 213 #define _SC_MEMLOCK 30 214 #define _SC_MEMLOCK_RANGE 31 215 #define _SC_MEMORY_PROTECTION 32 216 #define _SC_MESSAGE_PASSING 33 217 #define _SC_PRIORITIZED_IO 34 218 #define _SC_PRIORITY_SCHEDULING 35 219 #define _SC_REALTIME_SIGNALS 36 220 #define _SC_SEMAPHORES 37 221 #define _SC_FSYNC 38 222 #define _SC_SHARED_MEMORY_OBJECTS 39 223 #define _SC_SYNCHRONIZED_IO 40 224 #define _SC_TIMERS 41 225 #define _SC_AIO_LISTIO_MAX 42 226 #define _SC_AIO_MAX 43 227 #define _SC_AIO_PRIO_DELTA_MAX 44 228 #define _SC_DELAYTIMER_MAX 45 229 #define _SC_MQ_OPEN_MAX 46 230 #define _SC_PAGESIZE 47 231 #define _SC_RTSIG_MAX 48 232 #define _SC_SEM_NSEMS_MAX 49 233 #define _SC_SEM_VALUE_MAX 50 234 #define _SC_SIGQUEUE_MAX 51 235 #define _SC_TIMER_MAX 52 236 #endif 237 238 #if __POSIX_VISIBLE >= 200112 239 #define _SC_2_PBS 59 /* user */ 240 #define _SC_2_PBS_ACCOUNTING 60 /* user */ 241 #define _SC_2_PBS_CHECKPOINT 61 /* user */ 242 #define _SC_2_PBS_LOCATE 62 /* user */ 243 #define _SC_2_PBS_MESSAGE 63 /* user */ 244 #define _SC_2_PBS_TRACK 64 /* user */ 245 #define _SC_ADVISORY_INFO 65 246 #define _SC_BARRIERS 66 /* user */ 247 #define _SC_CLOCK_SELECTION 67 248 #define _SC_CPUTIME 68 249 #define _SC_FILE_LOCKING 69 250 #define _SC_GETGR_R_SIZE_MAX 70 /* user */ 251 #define _SC_GETPW_R_SIZE_MAX 71 /* user */ 252 #define _SC_HOST_NAME_MAX 72 253 #define _SC_LOGIN_NAME_MAX 73 254 #define _SC_MONOTONIC_CLOCK 74 255 #define _SC_MQ_PRIO_MAX 75 256 #define _SC_READER_WRITER_LOCKS 76 /* user */ 257 #define _SC_REGEXP 77 /* user */ 258 #define _SC_SHELL 78 /* user */ 259 #define _SC_SPAWN 79 /* user */ 260 #define _SC_SPIN_LOCKS 80 /* user */ 261 #define _SC_SPORADIC_SERVER 81 262 #define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 263 #define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 264 #define _SC_THREAD_CPUTIME 84 /* user */ 265 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 266 #define _SC_THREAD_KEYS_MAX 86 /* user */ 267 #define _SC_THREAD_PRIO_INHERIT 87 /* user */ 268 #define _SC_THREAD_PRIO_PROTECT 88 /* user */ 269 #define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 270 #define _SC_THREAD_PROCESS_SHARED 90 /* user */ 271 #define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 272 #define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 273 #define _SC_THREAD_STACK_MIN 93 /* user */ 274 #define _SC_THREAD_THREADS_MAX 94 /* user */ 275 #define _SC_TIMEOUTS 95 /* user */ 276 #define _SC_THREADS 96 /* user */ 277 #define _SC_TRACE 97 /* user */ 278 #define _SC_TRACE_EVENT_FILTER 98 /* user */ 279 #define _SC_TRACE_INHERIT 99 /* user */ 280 #define _SC_TRACE_LOG 100 /* user */ 281 #define _SC_TTY_NAME_MAX 101 /* user */ 282 #define _SC_TYPED_MEMORY_OBJECTS 102 283 #define _SC_V6_ILP32_OFF32 103 /* user */ 284 #define _SC_V6_ILP32_OFFBIG 104 /* user */ 285 #define _SC_V6_LP64_OFF64 105 /* user */ 286 #define _SC_V6_LPBIG_OFFBIG 106 /* user */ 287 #define _SC_IPV6 118 288 #define _SC_RAW_SOCKETS 119 289 #define _SC_SYMLOOP_MAX 120 290 #endif 291 292 #if __XSI_VISIBLE 293 #define _SC_ATEXIT_MAX 107 /* user */ 294 #define _SC_IOV_MAX 56 295 #define _SC_PAGE_SIZE _SC_PAGESIZE 296 #define _SC_XOPEN_CRYPT 108 /* user */ 297 #define _SC_XOPEN_ENH_I18N 109 /* user */ 298 #define _SC_XOPEN_LEGACY 110 /* user */ 299 #define _SC_XOPEN_REALTIME 111 300 #define _SC_XOPEN_REALTIME_THREADS 112 301 #define _SC_XOPEN_SHM 113 302 #define _SC_XOPEN_STREAMS 114 303 #define _SC_XOPEN_UNIX 115 304 #define _SC_XOPEN_VERSION 116 305 #define _SC_XOPEN_XCU_VERSION 117 /* user */ 306 #endif 307 308 #if __BSD_VISIBLE 309 #define _SC_NPROCESSORS_CONF 57 310 #define _SC_NPROCESSORS_ONLN 58 311 #define _SC_LEVEL1_DCACHE_LINESIZE 128 312 #endif 313 314 /* Extensions found in Solaris and Linux. */ 315 #define _SC_PHYS_PAGES 121 316 317 #if __POSIX_VISIBLE >= 200809 318 #define _SC_V7_ILP32_OFF32 122 /* user */ 319 #define _SC_V7_ILP32_OFFBIG 123 /* user */ 320 #define _SC_V7_LP64_OFF64 124 /* user */ 321 #define _SC_V7_LPBIG_OFFBIG 125 /* user */ 322 #define _SC_THREAD_ROBUST_PRIO_INHERIT 126 /* user */ 323 #define _SC_THREAD_ROBUST_PRIO_PROTECT 127 /* user */ 324 #endif 325 326 /* Keys for the confstr(3) function. */ 327 #if __POSIX_VISIBLE >= 199209 328 #define _CS_PATH 1 /* default value of PATH */ 329 #endif 330 331 #if __POSIX_VISIBLE >= 200112 332 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 333 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 334 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 335 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 336 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 337 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 338 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 339 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 340 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10 341 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 342 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 343 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 344 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 345 #endif 346 347 #if __POSIX_VISIBLE >= 200809 348 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 15 349 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 16 350 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 17 351 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 18 352 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 19 353 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 20 354 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 21 355 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 22 356 #define _CS_POSIX_V7_LP64_OFF64_LIBS 23 357 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 24 358 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 25 359 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 26 360 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 27 361 #endif 362 363 __BEGIN_DECLS 364 /* 1003.1-1990 */ 365 void _exit(int) __dead2; 366 int access(const char *, int); 367 unsigned int alarm(unsigned int); 368 int chdir(const char *); 369 int chown(const char *, uid_t, gid_t); 370 int close(int); 371 int dup(int); 372 int dup2(int, int); 373 int execl(const char *, const char *, ...); 374 int execle(const char *, const char *, ...); 375 int execlp(const char *, const char *, ...); 376 int execv(const char *, char * const *); 377 int execve(const char *, char * const *, char * const *); 378 int execvp(const char *, char * const *); 379 pid_t fork(void); 380 long fpathconf(int, int); 381 char *getcwd(char *, size_t); 382 gid_t getegid(void); 383 uid_t geteuid(void); 384 gid_t getgid(void); 385 int getgroups(int, gid_t []); 386 char *getlogin(void); 387 pid_t getpgrp(void); 388 pid_t getpid(void); 389 pid_t getppid(void); 390 uid_t getuid(void); 391 int isatty(int); 392 int link(const char *, const char *); 393 off_t lseek(int, off_t, int); 394 long pathconf(const char *, int); 395 int pause(void); 396 int pipe(int *); 397 ssize_t read(int, void *, size_t); 398 int rmdir(const char *); 399 int setgid(gid_t); 400 int setpgid(pid_t, pid_t); 401 pid_t setsid(void); 402 int setuid(uid_t); 403 unsigned int sleep(unsigned int); 404 long sysconf(int); 405 pid_t tcgetpgrp(int); 406 int tcsetpgrp(int, pid_t); 407 char *ttyname(int); 408 int ttyname_r(int, char *, size_t); 409 int unlink(const char *); 410 ssize_t write(int, const void *, size_t); 411 412 /* 1003.2-1992 */ 413 #if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 414 size_t confstr(int, char *, size_t); 415 #ifndef _GETOPT_DECLARED 416 #define _GETOPT_DECLARED 417 int getopt(int, char * const [], const char *); 418 419 extern char *optarg; /* getopt(3) external variables */ 420 extern int optind, opterr, optopt; 421 #endif /* _GETOPT_DECLARED */ 422 #endif 423 424 /* ISO/IEC 9945-1: 1996 */ 425 #if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 426 #if 0 /* XXX missing */ 427 int fdatasync(int); 428 #endif 429 int fsync(int); 430 431 /* 432 * ftruncate() was in the POSIX Realtime Extension (it's used for shared 433 * memory), but truncate() was not. 434 */ 435 int ftruncate(int, off_t); 436 #endif 437 438 #if __POSIX_VISIBLE >= 199506 439 int getlogin_r(char *, size_t); 440 #endif 441 442 /* 1003.1-2001 */ 443 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 444 int fchown(int, uid_t, gid_t); 445 ssize_t readlink(const char * __restrict, char * __restrict, size_t); 446 #endif 447 #if __POSIX_VISIBLE >= 200112 448 int gethostname(char *, size_t); 449 int setegid(gid_t); 450 int seteuid(uid_t); 451 #endif 452 453 /* 1003.1-2008 */ 454 #if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 455 int getsid(pid_t _pid); 456 int fchdir(int); 457 int getpgid(pid_t _pid); 458 int lchown(const char *, uid_t, gid_t); 459 #ifndef _MKDTEMP_DECLARED 460 char *mkdtemp(char *); 461 #define _MKDTEMP_DECLARED 462 #endif 463 #ifndef _MKSTEMP_DECLARED 464 int mkstemp(char *); 465 #define _MKSTEMP_DECLARED 466 #endif 467 ssize_t pread(int, void *, size_t, off_t); 468 ssize_t pwrite(int, const void *, size_t, off_t); 469 470 /* See comment at ftruncate() above. */ 471 int truncate(const char *, off_t); 472 #endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 473 474 #if __POSIX_VISIBLE >= 200809 475 int faccessat(int, const char *, int, int); 476 int fchownat(int, const char *, uid_t, gid_t, int); 477 #if 0 /* XXX missing */ 478 int fexecve(int, char *const [], char *const []); 479 #endif 480 int linkat(int, const char *, int, const char *, int); 481 ssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t); 482 int symlinkat(const char *, int, const char *); 483 int unlinkat(int, const char *, int); 484 #endif /* __POSIX_VISIBLE >= 200809 */ 485 486 /* 487 * symlink() was originally in POSIX.1a, which was withdrawn after 488 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 489 * course has been in BSD since 4.2. 490 */ 491 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 492 int symlink(const char *, const char *); 493 #endif 494 495 /* X/Open System Interfaces */ 496 #if __XSI_VISIBLE 497 char *crypt(const char *, const char *); 498 int encrypt(char *, int); 499 long gethostid(void); 500 int lockf(int, int, off_t); 501 int nice(int); 502 int setregid(gid_t, gid_t); 503 int setreuid(uid_t, uid_t); 504 void swab(const void * __restrict, void * __restrict, ssize_t); 505 void sync(void); 506 #endif /* __XSI_VISIBLE */ 507 508 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 600) 509 int chroot(const char *); 510 int getdtablesize(void); 511 int getpagesize(void) __pure2; 512 char *getpass(const char *); 513 void *sbrk(intptr_t); 514 #endif 515 516 #if __BSD_VISIBLE || (__XSI_VISIBLE && __XSI_VISIBLE < 700) 517 char *getwd(char *); /* LEGACY (obsoleted by getcwd()) */ 518 unsigned int 519 ualarm(unsigned int, unsigned int); 520 int usleep(unsigned int); 521 pid_t vfork(void) __returns_twice; 522 #endif 523 524 #if __BSD_VISIBLE 525 struct iovec; 526 int acct(const char *); 527 int async_daemon(void); 528 int chroot_kernel(const char *); 529 int closefrom(int); 530 const char * 531 crypt_get_format(void); 532 int crypt_set_format(const char *); 533 int dup3(int, int, int); 534 int eaccess(const char *, int); 535 void endusershell(void); 536 int exect(const char *, char * const *, char * const *); 537 int execvP(const char *, const char *, char * const *); 538 void extexit(int, int, void *); 539 ssize_t extpread(int, void *, size_t, int, off_t); 540 ssize_t extpreadv(int, const struct iovec *, int, int, off_t); 541 ssize_t extpwrite(int, const void *, size_t, int, off_t); 542 ssize_t extpwritev(int, const struct iovec *, int, int, off_t); 543 char *fflagstostr(unsigned long); 544 int getdomainname(char *, int); 545 int getgrouplist(const char *, gid_t, gid_t *, int *); 546 mode_t getmode(const void *, mode_t); 547 int getosreldate(void); 548 int getpeereid(int, uid_t *, gid_t *); 549 int getresgid(gid_t *, gid_t *, gid_t *); 550 int getresuid(uid_t *, uid_t *, uid_t *); 551 char *getusershell(void); 552 int initgroups(const char *, gid_t); 553 int iruserok(unsigned long, int, const char *, const char *); 554 int iruserok_sa(const void *, int, int, const char *, const char *); 555 int issetugid(void); 556 long lpathconf(const char *, int); 557 #ifndef _LWP_GETTID_DECLARED 558 lwpid_t lwp_gettid(void); 559 #define _LWP_GETTID_DECLARED 560 #endif 561 #ifndef _LWP_SETNAME_DECLARED 562 int lwp_getname(lwpid_t, char *, size_t); 563 int lwp_setname(lwpid_t, const char *); 564 #define _LWP_SETNAME_DECLARED 565 #endif 566 #ifndef _MKNOD_DECLARED 567 int mknod(const char *, mode_t, dev_t); 568 #define _MKNOD_DECLARED 569 #endif 570 int mkstemps(char *, int); 571 #ifndef _MKTEMP_DECLARED 572 char *mktemp(char *); 573 #define _MKTEMP_DECLARED 574 #endif 575 int nfssvc(int, void *); 576 int pipe2(int *, int); 577 int profil(char *, size_t, unsigned long, unsigned int); 578 int rcmd(char **, int, const char *, const char *, const char *, int *); 579 int rcmd_af(char **, int, const char *, const char *, const char *, int *, 580 int); 581 int rcmdsh(char **, int, const char *, const char *, const char *, 582 const char *); 583 char *re_comp(const char *); 584 int re_exec(const char *); 585 int reboot(int); 586 int revoke(const char *); 587 pid_t rfork(int); 588 pid_t rfork_thread(int, void *, int (*)(void *), void *); 589 int rresvport(int *); 590 int rresvport_af(int *, int); 591 int ruserok(const char *, int, const char *, const char *); 592 int setdomainname(const char *, int); 593 int setgroups(int, const gid_t *); 594 void sethostid(long); 595 int sethostname(const char *, int); 596 int setlogin(const char *); 597 void *setmode(const char *); 598 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 599 void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 600 int setresgid(gid_t, gid_t, gid_t); 601 int setresuid(uid_t, uid_t, uid_t); 602 int setrgid(gid_t); 603 int setruid(uid_t); 604 void setusershell(void); 605 int strtofflags(char **, unsigned long *, unsigned long *); 606 int swapoff(const char *); 607 int swapon(const char *); 608 int syscall(int, ...); 609 off_t __syscall(quad_t, ...); 610 int umtx_sleep(volatile const int *, int , int); 611 int umtx_wakeup(volatile const int *, int); 612 int undelete(const char *); 613 void *valloc(size_t); /* obsoleted by malloc() */ 614 int varsym_get(int, const char *, char *, int); 615 int varsym_list(int, char *, int, int *); 616 int varsym_set(int, const char *, const char *); 617 618 #ifndef _OPTRESET_DECLARED 619 #define _OPTRESET_DECLARED 620 extern int optreset; /* getopt(3) external variable */ 621 #endif 622 #endif /* __BSD_VISIBLE */ 623 __END_DECLS 624 625 #endif /* !_UNISTD_H_ */ 626