unistd.h revision 194262
11539Srgrimes/*- 21539Srgrimes * Copyright (c) 1991, 1993, 1994 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * 51539Srgrimes * Redistribution and use in source and binary forms, with or without 61539Srgrimes * modification, are permitted provided that the following conditions 71539Srgrimes * are met: 81539Srgrimes * 1. Redistributions of source code must retain the above copyright 91539Srgrimes * notice, this list of conditions and the following disclaimer. 101539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 111539Srgrimes * notice, this list of conditions and the following disclaimer in the 121539Srgrimes * documentation and/or other materials provided with the distribution. 131539Srgrimes * 3. All advertising materials mentioning features or use of this software 141539Srgrimes * must display the following acknowledgement: 151539Srgrimes * This product includes software developed by the University of 161539Srgrimes * California, Berkeley and its contributors. 171539Srgrimes * 4. Neither the name of the University nor the names of its contributors 181539Srgrimes * may be used to endorse or promote products derived from this software 191539Srgrimes * without specific prior written permission. 201539Srgrimes * 211539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 221539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 231539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 241539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 251539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 261539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 271539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 281539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 291539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 301539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 311539Srgrimes * SUCH DAMAGE. 321539Srgrimes * 3323657Speter * @(#)unistd.h 8.12 (Berkeley) 4/27/95 3455033Sbde * $FreeBSD: head/include/unistd.h 194262 2009-06-15 20:38:55Z jhb $ 351539Srgrimes */ 361539Srgrimes 371539Srgrimes#ifndef _UNISTD_H_ 381539Srgrimes#define _UNISTD_H_ 391539Srgrimes 401539Srgrimes#include <sys/cdefs.h> 4193514Smike#include <sys/types.h> /* XXX adds too much pollution. */ 421539Srgrimes#include <sys/unistd.h> 43123257Smarcel#include <sys/_null.h> 4493514Smike#include <sys/_types.h> 451539Srgrimes 46102227Smike#ifndef _GID_T_DECLARED 47102227Smiketypedef __gid_t gid_t; 48102227Smike#define _GID_T_DECLARED 4993514Smike#endif 5093514Smike 51108381Smike#ifndef _OFF_T_DECLARED 52108381Smiketypedef __off_t off_t; 53108381Smike#define _OFF_T_DECLARED 54108381Smike#endif 55108381Smike 56108381Smike#ifndef _PID_T_DECLARED 57108381Smiketypedef __pid_t pid_t; 58108381Smike#define _PID_T_DECLARED 59108381Smike#endif 60108381Smike 61102227Smike#ifndef _SIZE_T_DECLARED 62102227Smiketypedef __size_t size_t; 63102227Smike#define _SIZE_T_DECLARED 6493514Smike#endif 6593514Smike 66102227Smike#ifndef _SSIZE_T_DECLARED 67102227Smiketypedef __ssize_t ssize_t; 68102227Smike#define _SSIZE_T_DECLARED 6993514Smike#endif 7093514Smike 71102227Smike#ifndef _UID_T_DECLARED 72108381Smiketypedef __uid_t uid_t; 73102227Smike#define _UID_T_DECLARED 7493514Smike#endif 7593514Smike 76108381Smike#ifndef _USECONDS_T_DECLARED 77108381Smiketypedef __useconds_t useconds_t; 78108381Smike#define _USECONDS_T_DECLARED 79108381Smike#endif 8093514Smike 811539Srgrimes#define STDIN_FILENO 0 /* standard input file descriptor */ 821539Srgrimes#define STDOUT_FILENO 1 /* standard output file descriptor */ 831539Srgrimes#define STDERR_FILENO 2 /* standard error file descriptor */ 841539Srgrimes 8598269Swollman#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 8637566Sbde#define F_ULOCK 0 /* unlock locked section */ 8737566Sbde#define F_LOCK 1 /* lock a section for exclusive use */ 8837566Sbde#define F_TLOCK 2 /* test and lock a section for exclusive use */ 8937566Sbde#define F_TEST 3 /* test a section for locks by other procs */ 9037509Sdt#endif 9137509Sdt 92103729Swollman/* 93103729Swollman * POSIX options and option groups we unconditionally do or don't 94103729Swollman * implement. This list includes those options which are exclusively 95103729Swollman * implemented (or not) in user mode. Please keep this list in 96103729Swollman * alphabetical order. 97103729Swollman * 98103729Swollman * Anything which is defined as zero below **must** have an 99103729Swollman * implementation for the corresponding sysconf() which is able to 100103729Swollman * determine conclusively whether or not the feature is supported. 101103729Swollman * Anything which is defined as other than -1 below **must** have 102103729Swollman * complete headers, types, and function declarations as specified by 103103729Swollman * the POSIX standard; however, if the relevant sysconf() function 104103729Swollman * returns -1, the functions may be stubbed out. 105103729Swollman */ 106153005Sdavidxu#define _POSIX_BARRIERS 200112L 107103729Swollman#define _POSIX_READER_WRITER_LOCKS 200112L 108103729Swollman#define _POSIX_REGEXP 1 109103729Swollman#define _POSIX_SHELL 1 110180360Sdavidxu#define _POSIX_SPAWN 200112L 111153005Sdavidxu#define _POSIX_SPIN_LOCKS 200112L 112103729Swollman#define _POSIX_THREAD_ATTR_STACKADDR 200112L 113103729Swollman#define _POSIX_THREAD_ATTR_STACKSIZE 200112L 114175431Sdavidxu#define _POSIX_THREAD_CPUTIME 200112L 115103729Swollman#define _POSIX_THREAD_PRIO_INHERIT 200112L 116103729Swollman#define _POSIX_THREAD_PRIO_PROTECT 200112L 117103729Swollman#define _POSIX_THREAD_PRIORITY_SCHEDULING 200112L 118103729Swollman#define _POSIX_THREAD_PROCESS_SHARED -1 119103729Swollman#define _POSIX_THREAD_SAFE_FUNCTIONS -1 120103729Swollman#define _POSIX_THREAD_SPORADIC_SERVER -1 121103729Swollman#define _POSIX_THREADS 200112L 122103729Swollman#define _POSIX_TRACE -1 123103729Swollman#define _POSIX_TRACE_EVENT_FILTER -1 124103729Swollman#define _POSIX_TRACE_INHERIT -1 125103729Swollman#define _POSIX_TRACE_LOG -1 126103729Swollman#define _POSIX2_C_BIND 200112L /* mandatory */ 127103729Swollman#define _POSIX2_C_DEV -1 /* need c99 utility */ 128103729Swollman#define _POSIX2_CHAR_TERM 1 129103729Swollman#define _POSIX2_FORT_DEV -1 /* need fort77 utility */ 130103729Swollman#define _POSIX2_FORT_RUN 200112L 131103729Swollman#define _POSIX2_LOCALEDEF -1 132103729Swollman#define _POSIX2_PBS -1 133103729Swollman#define _POSIX2_PBS_ACCOUNTING -1 134103729Swollman#define _POSIX2_PBS_CHECKPOINT -1 135103729Swollman#define _POSIX2_PBS_LOCATE -1 136103729Swollman#define _POSIX2_PBS_MESSAGE -1 137103729Swollman#define _POSIX2_PBS_TRACK -1 138103729Swollman#define _POSIX2_SW_DEV -1 /* XXX ??? */ 139103729Swollman#define _POSIX2_UPE 200112L 140103729Swollman#define _V6_ILP32_OFF32 -1 141103729Swollman#define _V6_ILP32_OFFBIG 0 142103729Swollman#define _V6_LP64_OFF64 0 143103729Swollman#define _V6_LPBIG_OFFBIG -1 144103729Swollman 145103729Swollman#if __XSI_VISIBLE 146103729Swollman#define _XOPEN_CRYPT -1 /* XXX ??? */ 147103729Swollman#define _XOPEN_ENH_I18N -1 /* mandatory in XSI */ 148103729Swollman#define _XOPEN_LEGACY -1 149103729Swollman#define _XOPEN_REALTIME -1 150103729Swollman#define _XOPEN_REALTIME_THREADS -1 151103729Swollman#define _XOPEN_UNIX -1 152103729Swollman#endif 153103729Swollman 154105045Smike/* Define the POSIX.2 version we target for compliance. */ 155103929Swollman#define _POSIX2_VERSION 199212L 156103729Swollman 157103729Swollman/* 158103729Swollman * POSIX-style system configuration variable accessors (for the 159103729Swollman * sysconf function). The kernel does not directly implement the 160103729Swollman * sysconf() interface; rather, a C library stub translates references 161103729Swollman * to sysconf() into calls to sysctl() using a giant switch statement. 162103729Swollman * Those that are marked `user' are implemented entirely in the C 163103729Swollman * library and never query the kernel. pathconf() is implemented 164103729Swollman * directly by the kernel so those are not defined here. 165103729Swollman */ 166103729Swollman#define _SC_ARG_MAX 1 167103729Swollman#define _SC_CHILD_MAX 2 168103729Swollman#define _SC_CLK_TCK 3 169103729Swollman#define _SC_NGROUPS_MAX 4 170103729Swollman#define _SC_OPEN_MAX 5 171103729Swollman#define _SC_JOB_CONTROL 6 172103729Swollman#define _SC_SAVED_IDS 7 173103729Swollman#define _SC_VERSION 8 174103729Swollman#define _SC_BC_BASE_MAX 9 /* user */ 175103729Swollman#define _SC_BC_DIM_MAX 10 /* user */ 176103729Swollman#define _SC_BC_SCALE_MAX 11 /* user */ 177103729Swollman#define _SC_BC_STRING_MAX 12 /* user */ 178103729Swollman#define _SC_COLL_WEIGHTS_MAX 13 /* user */ 179103729Swollman#define _SC_EXPR_NEST_MAX 14 /* user */ 180103729Swollman#define _SC_LINE_MAX 15 /* user */ 181103729Swollman#define _SC_RE_DUP_MAX 16 /* user */ 182103729Swollman#define _SC_2_VERSION 17 /* user */ 183103729Swollman#define _SC_2_C_BIND 18 /* user */ 184103729Swollman#define _SC_2_C_DEV 19 /* user */ 185103729Swollman#define _SC_2_CHAR_TERM 20 /* user */ 186103729Swollman#define _SC_2_FORT_DEV 21 /* user */ 187103729Swollman#define _SC_2_FORT_RUN 22 /* user */ 188103729Swollman#define _SC_2_LOCALEDEF 23 /* user */ 189103729Swollman#define _SC_2_SW_DEV 24 /* user */ 190103729Swollman#define _SC_2_UPE 25 /* user */ 191103729Swollman#define _SC_STREAM_MAX 26 /* user */ 192103729Swollman#define _SC_TZNAME_MAX 27 /* user */ 193103729Swollman 194103729Swollman#if __POSIX_VISIBLE >= 199309 195103729Swollman#define _SC_ASYNCHRONOUS_IO 28 196103729Swollman#define _SC_MAPPED_FILES 29 197103729Swollman#define _SC_MEMLOCK 30 198103729Swollman#define _SC_MEMLOCK_RANGE 31 199103729Swollman#define _SC_MEMORY_PROTECTION 32 200103729Swollman#define _SC_MESSAGE_PASSING 33 201103729Swollman#define _SC_PRIORITIZED_IO 34 202103729Swollman#define _SC_PRIORITY_SCHEDULING 35 203103729Swollman#define _SC_REALTIME_SIGNALS 36 204103729Swollman#define _SC_SEMAPHORES 37 205103729Swollman#define _SC_FSYNC 38 206103729Swollman#define _SC_SHARED_MEMORY_OBJECTS 39 207103729Swollman#define _SC_SYNCHRONIZED_IO 40 208103729Swollman#define _SC_TIMERS 41 209103729Swollman#define _SC_AIO_LISTIO_MAX 42 210103729Swollman#define _SC_AIO_MAX 43 211103729Swollman#define _SC_AIO_PRIO_DELTA_MAX 44 212103729Swollman#define _SC_DELAYTIMER_MAX 45 213103729Swollman#define _SC_MQ_OPEN_MAX 46 214103729Swollman#define _SC_PAGESIZE 47 215103729Swollman#define _SC_RTSIG_MAX 48 216103729Swollman#define _SC_SEM_NSEMS_MAX 49 217103729Swollman#define _SC_SEM_VALUE_MAX 50 218103729Swollman#define _SC_SIGQUEUE_MAX 51 219103729Swollman#define _SC_TIMER_MAX 52 220103729Swollman#endif 221103729Swollman 222103729Swollman#if __POSIX_VISIBLE >= 200112 223103729Swollman#define _SC_2_PBS 59 /* user */ 224103729Swollman#define _SC_2_PBS_ACCOUNTING 60 /* user */ 225103729Swollman#define _SC_2_PBS_CHECKPOINT 61 /* user */ 226103729Swollman#define _SC_2_PBS_LOCATE 62 /* user */ 227103729Swollman#define _SC_2_PBS_MESSAGE 63 /* user */ 228103729Swollman#define _SC_2_PBS_TRACK 64 /* user */ 229103729Swollman#define _SC_ADVISORY_INFO 65 230103729Swollman#define _SC_BARRIERS 66 /* user */ 231103729Swollman#define _SC_CLOCK_SELECTION 67 232103729Swollman#define _SC_CPUTIME 68 233103729Swollman#define _SC_FILE_LOCKING 69 234103729Swollman#define _SC_GETGR_R_SIZE_MAX 70 /* user */ 235103729Swollman#define _SC_GETPW_R_SIZE_MAX 71 /* user */ 236103729Swollman#define _SC_HOST_NAME_MAX 72 237103729Swollman#define _SC_LOGIN_NAME_MAX 73 238103729Swollman#define _SC_MONOTONIC_CLOCK 74 239103729Swollman#define _SC_MQ_PRIO_MAX 75 240103729Swollman#define _SC_READER_WRITER_LOCKS 76 /* user */ 241103729Swollman#define _SC_REGEXP 77 /* user */ 242103729Swollman#define _SC_SHELL 78 /* user */ 243103729Swollman#define _SC_SPAWN 79 /* user */ 244103729Swollman#define _SC_SPIN_LOCKS 80 /* user */ 245103729Swollman#define _SC_SPORADIC_SERVER 81 246103729Swollman#define _SC_THREAD_ATTR_STACKADDR 82 /* user */ 247103729Swollman#define _SC_THREAD_ATTR_STACKSIZE 83 /* user */ 248103729Swollman#define _SC_THREAD_CPUTIME 84 /* user */ 249103729Swollman#define _SC_THREAD_DESTRUCTOR_ITERATIONS 85 /* user */ 250103729Swollman#define _SC_THREAD_KEYS_MAX 86 /* user */ 251103729Swollman#define _SC_THREAD_PRIO_INHERIT 87 /* user */ 252103729Swollman#define _SC_THREAD_PRIO_PROTECT 88 /* user */ 253103729Swollman#define _SC_THREAD_PRIORITY_SCHEDULING 89 /* user */ 254103729Swollman#define _SC_THREAD_PROCESS_SHARED 90 /* user */ 255103729Swollman#define _SC_THREAD_SAFE_FUNCTIONS 91 /* user */ 256103729Swollman#define _SC_THREAD_SPORADIC_SERVER 92 /* user */ 257103729Swollman#define _SC_THREAD_STACK_MIN 93 /* user */ 258103729Swollman#define _SC_THREAD_THREADS_MAX 94 /* user */ 259103729Swollman#define _SC_TIMEOUTS 95 /* user */ 260103729Swollman#define _SC_THREADS 96 /* user */ 261103729Swollman#define _SC_TRACE 97 /* user */ 262103729Swollman#define _SC_TRACE_EVENT_FILTER 98 /* user */ 263103729Swollman#define _SC_TRACE_INHERIT 99 /* user */ 264103729Swollman#define _SC_TRACE_LOG 100 /* user */ 265103729Swollman#define _SC_TTY_NAME_MAX 101 /* user */ 266103729Swollman#define _SC_TYPED_MEMORY_OBJECTS 102 267103729Swollman#define _SC_V6_ILP32_OFF32 103 /* user */ 268103729Swollman#define _SC_V6_ILP32_OFFBIG 104 /* user */ 269103729Swollman#define _SC_V6_LP64_OFF64 105 /* user */ 270103729Swollman#define _SC_V6_LPBIG_OFFBIG 106 /* user */ 271106055Swollman#define _SC_IPV6 118 272106055Swollman#define _SC_RAW_SOCKETS 119 273106055Swollman#define _SC_SYMLOOP_MAX 120 274103729Swollman#endif 275103729Swollman 276103729Swollman#if __XSI_VISIBLE 277103729Swollman#define _SC_ATEXIT_MAX 107 /* user */ 278103729Swollman#define _SC_IOV_MAX 56 279103729Swollman#define _SC_PAGE_SIZE _SC_PAGESIZE 280103729Swollman#define _SC_XOPEN_CRYPT 108 /* user */ 281103729Swollman#define _SC_XOPEN_ENH_I18N 109 /* user */ 282103729Swollman#define _SC_XOPEN_LEGACY 110 /* user */ 283103729Swollman#define _SC_XOPEN_REALTIME 111 284103729Swollman#define _SC_XOPEN_REALTIME_THREADS 112 285103729Swollman#define _SC_XOPEN_SHM 113 286103729Swollman#define _SC_XOPEN_STREAMS 114 287103729Swollman#define _SC_XOPEN_UNIX 115 288103729Swollman#define _SC_XOPEN_VERSION 116 289103729Swollman#define _SC_XOPEN_XCU_VERSION 117 /* user */ 290103729Swollman#endif 291103729Swollman 292103729Swollman#if __BSD_VISIBLE 293103729Swollman#define _SC_NPROCESSORS_CONF 57 294103729Swollman#define _SC_NPROCESSORS_ONLN 58 295103729Swollman#endif 296103729Swollman 297165230Spjd/* Extensions found in Solaris and Linux. */ 298165230Spjd#define _SC_PHYS_PAGES 121 299165230Spjd 300103729Swollman/* Keys for the confstr(3) function. */ 301103729Swollman#if __POSIX_VISIBLE >= 199209 302103729Swollman#define _CS_PATH 1 /* default value of PATH */ 303103729Swollman#endif 304103729Swollman 305103729Swollman#if __POSIX_VISIBLE >= 200112 306103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 307103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 308103729Swollman#define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 309103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 310103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 311103729Swollman#define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 312103729Swollman#define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 313103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 314103729Swollman#define _CS_POSIX_V6_LP64_OFF64_LIBS 10 315103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 316103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 317103729Swollman#define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 318103729Swollman#define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 319103729Swollman#endif 320103729Swollman 3211539Srgrimes__BEGIN_DECLS 32298269Swollman/* 1003.1-1990 */ 32393032Simpvoid _exit(int) __dead2; 32493032Simpint access(const char *, int); 32593032Simpunsigned int alarm(unsigned int); 32693032Simpint chdir(const char *); 32793032Simpint chown(const char *, uid_t, gid_t); 32893032Simpint close(int); 329194262Sjhbvoid closefrom(int); 33093032Simpint dup(int); 33193032Simpint dup2(int, int); 33293032Simpint execl(const char *, const char *, ...); 33393032Simpint execle(const char *, const char *, ...); 33493032Simpint execlp(const char *, const char *, ...); 33593032Simpint execv(const char *, char * const *); 33693032Simpint execve(const char *, char * const *, char * const *); 33793032Simpint execvp(const char *, char * const *); 33893032Simppid_t fork(void); 33993032Simplong fpathconf(int, int); 34093032Simpchar *getcwd(char *, size_t); 34193032Simpgid_t getegid(void); 34293032Simpuid_t geteuid(void); 34393032Simpgid_t getgid(void); 34493032Simpint getgroups(int, gid_t []); 34593032Simpchar *getlogin(void); 34693032Simppid_t getpgrp(void); 34793032Simppid_t getpid(void); 34893032Simppid_t getppid(void); 34993032Simpuid_t getuid(void); 35093032Simpint isatty(int); 35193032Simpint link(const char *, const char *); 35224896Sbde#ifndef _LSEEK_DECLARED 35324896Sbde#define _LSEEK_DECLARED 35493032Simpoff_t lseek(int, off_t, int); 35524896Sbde#endif 35693032Simplong pathconf(const char *, int); 35793032Simpint pause(void); 35893032Simpint pipe(int *); 35993032Simpssize_t read(int, void *, size_t); 36093032Simpint rmdir(const char *); 36193032Simpint setgid(gid_t); 36293032Simpint setpgid(pid_t, pid_t); 36393032Simppid_t setsid(void); 36493032Simpint setuid(uid_t); 36593032Simpunsigned int sleep(unsigned int); 36693032Simplong sysconf(int); 36793032Simppid_t tcgetpgrp(int); 36893032Simpint tcsetpgrp(int, pid_t); 36993032Simpchar *ttyname(int); 370146186Sdelphijint ttyname_r(int, char *, size_t); 37193032Simpint unlink(const char *); 37293032Simpssize_t write(int, const void *, size_t); 3731539Srgrimes 374100140Swollman/* 1003.2-1992 */ 375106812Smike#if __POSIX_VISIBLE >= 199209 || __XSI_VISIBLE 37698269Swollmansize_t confstr(int, char *, size_t); 377126141Sache#ifndef _GETOPT_DECLARED 378126141Sache#define _GETOPT_DECLARED 379100145Swollmanint getopt(int, char * const [], const char *); 380100145Swollman 381100145Swollmanextern char *optarg; /* getopt(3) external variables */ 382100145Swollmanextern int optind, opterr, optopt; 383126141Sache#endif /* _GETOPT_DECLARED */ 38498269Swollman#endif 38598269Swollman 38698269Swollman/* ISO/IEC 9945-1: 1996 */ 387106812Smike#if __POSIX_VISIBLE >= 199506 || __XSI_VISIBLE 388100140Swollmanint fsync(int); 389100140Swollman 39098269Swollman/* 39198269Swollman * ftruncate() was in the POSIX Realtime Extension (it's used for shared 39298269Swollman * memory), but truncate() was not. 39398269Swollman */ 39498269Swollman#ifndef _FTRUNCATE_DECLARED 39598269Swollman#define _FTRUNCATE_DECLARED 39698269Swollmanint ftruncate(int, off_t); 39798269Swollman#endif 398106812Smike#endif 39998269Swollman 400106812Smike#if __POSIX_VISIBLE >= 199506 40198269Swollmanint getlogin_r(char *, int); 40298269Swollman#endif 40398269Swollman 40498269Swollman/* 1003.1-2001 */ 405106812Smike#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE 406106812Smikeint fchown(int, uid_t, gid_t); 407176607Srussize_t readlink(const char * __restrict, char * __restrict, size_t); 408106812Smike#endif 40998269Swollman#if __POSIX_VISIBLE >= 200112 410119141Swollmanint gethostname(char *, size_t); 41198269Swollmanint setegid(gid_t); 41298269Swollmanint seteuid(uid_t); 41398269Swollman#endif 41498269Swollman 415189351Sdas/* 1003.1-2008 */ 416189351Sdas#if __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE 417189351Sdasint getsid(pid_t _pid); 418189351Sdasint fchdir(int); 419189351Sdasint getpgid(pid_t _pid); 420189351Sdasint lchown(const char *, uid_t, gid_t); 421189351Sdasssize_t pread(int, void *, size_t, off_t); 422189351Sdasssize_t pwrite(int, const void *, size_t, off_t); 423189351Sdas 424189351Sdas/* See comment at ftruncate() above. */ 425189351Sdas#ifndef _TRUNCATE_DECLARED 426189351Sdas#define _TRUNCATE_DECLARED 427189351Sdasint truncate(const char *, off_t); 428189351Sdas#endif 429189351Sdas#endif /* __POSIX_VISIBLE >= 200809 || __XSI_VISIBLE */ 430189351Sdas 431189351Sdas#if __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE 432189351Sdasint faccessat(int, const char *, int, int); 433189351Sdasint fchownat(int, const char *, uid_t, gid_t, int); 434189351Sdasint fexecve(int, char *const [], char *const []); 435189351Sdasint linkat(int, const char *, int, const char *, int); 436189351Sdasssize_t readlinkat(int, const char * __restrict, char * __restrict, size_t); 437189351Sdasint symlinkat(const char *, int, const char *); 438189351Sdasint unlinkat(int, const char *, int); 439189351Sdas#endif /* __POSIX_VISIBLE >= 200809 || __BSD_VISIBLE */ 440189351Sdas 441100140Swollman/* 442100140Swollman * symlink() was originally in POSIX.1a, which was withdrawn after 443100140Swollman * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 444103729Swollman * course has been in BSD since 4.2. 445100140Swollman */ 446100140Swollman#if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 447103012Stjrint symlink(const char * __restrict, const char * __restrict); 448100140Swollman#endif 449100140Swollman 45098269Swollman/* X/Open System Interfaces */ 45198269Swollman#if __XSI_VISIBLE 45298269Swollmanchar *crypt(const char *, const char *); 45398269Swollman/* char *ctermid(char *); */ /* XXX ??? */ 45498269Swollmanint encrypt(char *, int); 455106812Smikelong gethostid(void); 45698269Swollmanint lockf(int, int, off_t); 45798269Swollmanint nice(int); 45898269Swollmanint setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 45998269Swollmanint setregid(gid_t, gid_t); 46098269Swollmanint setreuid(uid_t, uid_t); 461138659Strhodes 462138659Strhodes#ifndef _SWAB_DECLARED 463138659Strhodes#define _SWAB_DECLARED 464138659Strhodesvoid swab(const void * __restrict, void * __restrict, ssize_t); 465138659Strhodes#endif /* _SWAB_DECLARED */ 466138659Strhodes 46798269Swollmanvoid sync(void); 46898269Swollman 46998269Swollman#endif /* __XSI_VISIBLE */ 47098269Swollman 471189817Sdas#if (__XSI_VISIBLE && __XSI_VISIBLE <= 500) || __BSD_VISIBLE 472106812Smikeint brk(const void *); 473106812Smikeint chroot(const char *); 474106812Smikeint getdtablesize(void); 475106812Smikeint getpagesize(void) __pure2; 476106812Smikechar *getpass(const char *); 477106812Smikevoid *sbrk(intptr_t); 478106812Smike#endif 479106812Smike 480189817Sdas#if (__XSI_VISIBLE && __XSI_VISIBLE <= 600) || __BSD_VISIBLE 481189351Sdaschar *getwd(char *); /* obsoleted by getcwd() */ 482189351Sdasuseconds_t 483189351Sdas ualarm(useconds_t, useconds_t); 484189351Sdasint usleep(useconds_t); 485189351Sdaspid_t vfork(void); 486189351Sdas#endif 487189351Sdas 48898269Swollman#if __BSD_VISIBLE 4891539Srgrimesstruct timeval; /* select(2) */ 49093032Simpint acct(const char *); 49193032Simpint async_daemon(void); 492106065Swollmanint check_utility_compat(const char *); 49398269Swollmanconst char * 49493032Simp crypt_get_format(void); 49593032Simpint crypt_set_format(const char *); 49693032Simpint des_cipher(const char *, char *, long, int); 49793032Simpint des_setkey(const char *key); 498189817Sdasint eaccess(const char *, int); 49993032Simpvoid endusershell(void); 50093032Simpint exect(const char *, char * const *, char * const *); 501117105Sbdeint execvP(const char *, const char *, char * const *); 502175220Sjhbint feature_present(const char *); 50393032Simpchar *fflagstostr(u_long); 50493032Simpint getdomainname(char *, int); 50593032Simpint getgrouplist(const char *, gid_t, gid_t *, int *); 50693032Simpmode_t getmode(const void *, mode_t); 507183390Speterint getosreldate(void); 50893032Simpint getpeereid(int, uid_t *, gid_t *); 50993032Simpint getresgid(gid_t *, gid_t *, gid_t *); 51093032Simpint getresuid(uid_t *, uid_t *, uid_t *); 51193032Simpchar *getusershell(void); 51293032Simpint initgroups(const char *, gid_t); 51393032Simpint iruserok(unsigned long, int, const char *, const char *); 51493032Simpint iruserok_sa(const void *, int, int, const char *, const char *); 51593032Simpint issetugid(void); 516189351Sdas#ifndef _MKDTEMP_DECLARED 51793032Simpchar *mkdtemp(char *); 518189351Sdas#define _MKDTEMP_DECLARED 519189351Sdas#endif 520143952Sdas#ifndef _MKNOD_DECLARED 52193032Simpint mknod(const char *, mode_t, dev_t); 522143952Sdas#define _MKNOD_DECLARED 523143952Sdas#endif 524103729Swollman#ifndef _MKSTEMP_DECLARED 52593032Simpint mkstemp(char *); 526103729Swollman#define _MKSTEMP_DECLARED 527103729Swollman#endif 52893032Simpint mkstemps(char *, int); 529103729Swollman#ifndef _MKTEMP_DECLARED 53093032Simpchar *mktemp(char *); 531103729Swollman#define _MKTEMP_DECLARED 532103729Swollman#endif 53393032Simpint nfssvc(int, void *); 53493032Simpint profil(char *, size_t, vm_offset_t, int); 53593032Simpint rcmd(char **, int, const char *, const char *, const char *, int *); 53693032Simpint rcmd_af(char **, int, const char *, 53793032Simp const char *, const char *, int *, int); 53893032Simpint rcmdsh(char **, int, const char *, 53993032Simp const char *, const char *, const char *); 54093032Simpchar *re_comp(const char *); 54193032Simpint re_exec(const char *); 54293032Simpint reboot(int); 54393032Simpint revoke(const char *); 54493032Simppid_t rfork(int); 54593032Simppid_t rfork_thread(int, void *, int (*)(void *), void *); 54693032Simpint rresvport(int *); 54793032Simpint rresvport_af(int *, int); 54893032Simpint ruserok(const char *, int, const char *, const char *); 549103867Smike#if __BSD_VISIBLE 550103867Smike#ifndef _SELECT_DECLARED 551103867Smike#define _SELECT_DECLARED 55293032Simpint select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 553103867Smike#endif 554103867Smike#endif 55593032Simpint setdomainname(const char *, int); 55693032Simpint setgroups(int, const gid_t *); 55793032Simpvoid sethostid(long); 55893032Simpint sethostname(const char *, int); 559103729Swollman#ifndef _SETKEY_DECLARED 56093032Simpint setkey(const char *); 561103729Swollman#define _SETKEY_DECLARED 562103729Swollman#endif 56393032Simpint setlogin(const char *); 56493032Simpvoid *setmode(const char *); 565189817Sdasvoid setproctitle(const char *_fmt, ...) __printf0like(1, 2); 56693032Simpint setresgid(gid_t, gid_t, gid_t); 56793032Simpint setresuid(uid_t, uid_t, uid_t); 56893032Simpint setrgid(gid_t); 56993032Simpint setruid(uid_t); 57093032Simpvoid setusershell(void); 57193032Simpint strtofflags(char **, u_long *, u_long *); 57293032Simpint swapon(const char *); 573107913Sdillonint swapoff(const char *); 57493032Simpint syscall(int, ...); 57593032Simpoff_t __syscall(quad_t, ...); 57693032Simpint ttyslot(void); 57793032Simpint undelete(const char *); 57893032Simpint unwhiteout(const char *); 57993032Simpvoid *valloc(size_t); /* obsoleted by malloc() */ 58023657Speter 581126142Sache#ifndef _OPTRESET_DECLARED 582126142Sache#define _OPTRESET_DECLARED 58342518Smsmithextern int optreset; /* getopt(3) external variable */ 584126142Sache#endif 58598269Swollman#endif /* __BSD_VISIBLE */ 5861539Srgrimes__END_DECLS 5871539Srgrimes 5881539Srgrimes#endif /* !_UNISTD_H_ */ 589