Annotation of src/include/unistd.h, Revision 1.71
1.71 ! matthew 1: /* $OpenBSD: unistd.h,v 1.70 2012/04/12 12:33:03 deraadt Exp $ */
1.6 deraadt 2: /* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */
1.1 deraadt 3:
4: /*-
5: * Copyright (c) 1991 The Regents of the University of California.
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
1.47 millert 16: * 3. Neither the name of the University nor the names of its contributors
1.1 deraadt 17: * may be used to endorse or promote products derived from this software
18: * without specific prior written permission.
19: *
20: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30: * SUCH DAMAGE.
31: *
32: * @(#)unistd.h 5.13 (Berkeley) 6/17/91
33: */
34:
35: #ifndef _UNISTD_H_
36: #define _UNISTD_H_
37:
38: #include <sys/cdefs.h>
39: #include <sys/types.h>
40: #include <sys/unistd.h>
41:
42: #define STDIN_FILENO 0 /* standard input file descriptor */
43: #define STDOUT_FILENO 1 /* standard output file descriptor */
44: #define STDERR_FILENO 2 /* standard error file descriptor */
45:
1.57 millert 46: #if __XPG_VISIBLE || __POSIX_VISIBLE >= 200112
47: #define F_ULOCK 0 /* unlock locked section */
48: #define F_LOCK 1 /* lock a section for exclusive use */
49: #define F_TLOCK 2 /* test and lock a section for exclusive use */
50: #define F_TEST 3 /* test a section for locks by other procs */
1.62 millert 51: #endif
52:
1.71 ! matthew 53: /*
! 54: * POSIX options and option groups we unconditionally do or don't
! 55: * implement. Please keep this list in alphabetical order.
! 56: *
! 57: * Anything which is defined as zero below **must** have an
! 58: * implementation for the corresponding sysconf() which is able to
! 59: * determine conclusively whether or not the feature is supported.
! 60: * Anything which is defined as other than -1 below **must** have
! 61: * complete headers, types, and function declarations as specified by
! 62: * the POSIX standard; however, if the relevant sysconf() function
! 63: * returns -1, the functions may be stubbed out.
! 64: */
! 65: #define _POSIX_ADVISORY_INFO (-1)
! 66: #define _POSIX_ASYNCHRONOUS_IO (-1)
! 67: #define _POSIX_BARRIERS 200112L
! 68: #define _POSIX_CHOWN_RESTRICTED 1
! 69: #define _POSIX_CLOCK_SELECTION (-1)
! 70: #define _POSIX_CPUTIME (-1)
! 71: #define _POSIX_FSYNC 200112L
! 72: #define _POSIX_IPV6 0
! 73: #define _POSIX_JOB_CONTROL 1
! 74: #define _POSIX_MAPPED_FILES 200112L
! 75: #define _POSIX_MEMLOCK 200112L
! 76: #define _POSIX_MEMLOCK_RANGE 200112L
! 77: #define _POSIX_MEMORY_PROTECTION 200112L
! 78: #define _POSIX_MESSAGE_PASSING (-1)
! 79: #define _POSIX_MONOTONIC_CLOCK 200112L
! 80: #define _POSIX_NO_TRUNC 1
! 81: #define _POSIX_PRIORITIZED_IO (-1)
! 82: #define _POSIX_PRIORITY_SCHEDULING (-1)
! 83: #define _POSIX_RAW_SOCKETS 200112L
! 84: #define _POSIX_READER_WRITER_LOCKS 200112L
! 85: #define _POSIX_REALTIME_SIGNALS (-1)
! 86: #define _POSIX_REGEXP 1
! 87: #define _POSIX_SAVED_IDS 1
! 88: #define _POSIX_SEMAPHORES 200112L
! 89: #define _POSIX_SHARED_MEMORY_OBJECTS (-1)
! 90: #define _POSIX_SHELL 1
! 91: #define _POSIX_SPAWN 200112L
! 92: #define _POSIX_SPIN_LOCKS 200112L
! 93: #define _POSIX_SPORADIC_SERVER (-1)
! 94: #define _POSIX_SYNCHRONIZED_IO (-1)
! 95: #define _POSIX_THREAD_ATTR_STACKADDR 200112L
! 96: #define _POSIX_THREAD_ATTR_STACKSIZE 200112L
! 97: #define _POSIX_THREAD_CPUTIME (-1)
! 98: #define _POSIX_THREAD_PRIO_INHERIT (-1)
! 99: #define _POSIX_THREAD_PRIO_PROTECT (-1)
! 100: #define _POSIX_THREAD_PRIORITY_SCHEDULING (-1)
! 101: #define _POSIX_THREAD_PROCESS_SHARED (-1)
! 102: #define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1)
! 103: #define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1)
! 104: #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L
! 105: #define _POSIX_THREAD_SPORADIC_SERVER (-1)
! 106: #define _POSIX_THREADS 200112L
! 107: #define _POSIX_TIMEOUTS 200112L
! 108: #define _POSIX_TIMERS (-1)
! 109: #define _POSIX_TRACE (-1)
! 110: #define _POSIX_TRACE_EVENT_FILTER (-1)
! 111: #define _POSIX_TRACE_INHERIT (-1)
! 112: #define _POSIX_TRACE_LOG (-1)
! 113: #define _POSIX_TYPED_MEMORY_OBJECTS (-1)
! 114: #define _POSIX2_C_BIND 200112L
! 115: #define _POSIX2_C_DEV (-1) /* need C99 utility */
! 116: #define _POSIX2_CHAR_TERM 1
! 117: #define _POSIX2_FORT_DEV (-1) /* need fort77 utility */
! 118: #define _POSIX2_FORT_RUN 200112L
! 119: #define _POSIX2_LOCALEDEF (-1)
! 120: #define _POSIX2_PBS (-1)
! 121: #define _POSIX2_PBS_ACCOUNTING (-1)
! 122: #define _POSIX2_PBS_CHECKPOINT (-1)
! 123: #define _POSIX2_PBS_LOCATE (-1)
! 124: #define _POSIX2_PBS_MESSAGE (-1)
! 125: #define _POSIX2_PBS_TRACK (-1)
! 126: #define _POSIX2_SW_DEV 200112L
! 127: #define _POSIX2_UPE 200112L
! 128: #define _POSIX_V6_ILP32_OFF32 (-1)
! 129: #define _POSIX_V6_ILP32_OFFBIG 0
! 130: #define _POSIX_V6_LP64_OFF64 0
! 131: #define _POSIX_V6_LPBIG_OFFBIG 0
! 132: #define _POSIX_V7_ILP32_OFF32 (-1)
! 133: #define _POSIX_V7_ILP32_OFFBIG 0
! 134: #define _POSIX_V7_LP64_OFF64 0
! 135: #define _POSIX_V7_LPBIG_OFFBIG 0
! 136:
! 137: #define _XOPEN_CRYPT 1
! 138: #define _XOPEN_ENH_I18N (-1) /* mandatory in XSI */
! 139: #define _XOPEN_LEGACY (-1)
! 140: #define _XOPEN_REALTIME (-1)
! 141: #define _XOPEN_REALTIME_THREADS (-1)
! 142: #define _XOPEN_SHM 1
! 143: #define _XOPEN_STREAMS (-1)
! 144: #define _XOPEN_UUCP (-1)
! 145: #define _XOPEN_UNIX (-1)
! 146:
! 147: /* Define the POSIX.2 version we target for compliance. */
! 148: #define _POSIX2_VERSION 199212L
1.57 millert 149:
1.1 deraadt 150: #ifndef NULL
1.26 espie 151: #ifdef __GNUG__
1.27 espie 152: #define NULL __null
1.64 jsg 153: #elif defined(__cplusplus)
154: #define NULL 0L
1.26 espie 155: #else
1.63 miod 156: #define NULL ((void *)0)
1.26 espie 157: #endif
1.1 deraadt 158: #endif
159:
160: __BEGIN_DECLS
1.36 millert 161: __dead void _exit(int);
162: int access(const char *, int);
163: unsigned int alarm(unsigned int);
164: int chdir(const char *);
165: int chown(const char *, uid_t, gid_t);
166: int close(int);
167: int dup(int);
168: int dup2(int, int);
1.40 espie 169: int execl(const char *, const char *, ...)
170: __attribute__((sentinel));
1.59 espie 171: int execle(const char *, const char *, ...);
1.40 espie 172: int execlp(const char *, const char *, ...)
173: __attribute__((sentinel));
1.68 matthew 174: int execv(const char *, char *const *);
175: int execve(const char *, char *const *, char *const *);
176: int execvp(const char *, char *const *);
177: #if __BSD_VISIBLE
178: int execvpe(const char *, char *const *, char *const *);
179: #endif
1.36 millert 180: pid_t fork(void);
181: long fpathconf(int, int);
1.50 avsm 182: char *getcwd(char *, size_t)
1.66 fgsch 183: __attribute__((__bounded__(__string__,1,2)));
1.36 millert 184: gid_t getegid(void);
185: uid_t geteuid(void);
186: gid_t getgid(void);
187: int getgroups(int, gid_t *);
188: char *getlogin(void);
189: pid_t getpgrp(void);
190: pid_t getpid(void);
191: pid_t getppid(void);
192: uid_t getuid(void);
193: int isatty(int);
194: int link(const char *, const char *);
195: off_t lseek(int, off_t, int);
196: long pathconf(const char *, int);
197: int pause(void);
198: int pipe(int *);
1.50 avsm 199: ssize_t read(int, void *, size_t)
200: __attribute__((__bounded__(__buffer__,2,3)));
1.36 millert 201: int rmdir(const char *);
202: int setgid(gid_t);
203: int setuid(uid_t);
204: unsigned int sleep(unsigned int);
205: long sysconf(int);
206: pid_t tcgetpgrp(int);
207: int tcsetpgrp(int, pid_t);
208: char *ttyname(int);
209: int unlink(const char *);
1.50 avsm 210: ssize_t write(int, const void *, size_t)
211: __attribute__((__bounded__(__buffer__,2,3)));
1.1 deraadt 212:
1.57 millert 213: #if __POSIX_VISIBLE || __XPG_VISIBLE >= 300
214: pid_t setsid(void);
215: int setpgid(pid_t, pid_t);
216: #endif
1.1 deraadt 217:
1.57 millert 218: #if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE
219: size_t confstr(int, char *, size_t)
220: __attribute__((__bounded__(__string__,2,3)));
221: #ifndef _GETOPT_DEFINED_
222: #define _GETOPT_DEFINED_
223: int getopt(int, char * const *, const char *);
224: extern char *optarg; /* getopt(3) external variables */
225: extern int opterr, optind, optopt, optreset;
226: /* XXX - getsubopt does not belong here */
227: int getsubopt(char **, char * const *, char **);
228: extern char *suboptarg; /* getsubopt(3) external variable */
229: #endif /* _GETOPT_DEFINED_ */
230: #endif
231:
232: #if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE
233: int fsync(int);
234: int ftruncate(int, off_t);
235: int getlogin_r(char *, size_t)
1.66 fgsch 236: __attribute__((__bounded__(__string__,1,2)));
1.57 millert 237: #endif
1.1 deraadt 238:
1.57 millert 239: #if __XPG_VISIBLE || __BSD_VISIBLE
240: char *crypt(const char *, const char *);
241: int encrypt(char *, int);
242: int fchdir(int);
243: int fchown(int, uid_t, gid_t);
244: long gethostid(void);
245: char *getwd(char *)
246: __attribute__ ((__bounded__(__minbytes__,1,1024)));
247: int lchown(const char *, uid_t, gid_t);
248: int mkstemp(char *);
249: char *mktemp(char *);
250: int nice(int);
251: int readlink(const char *, char *, size_t)
252: __attribute__ ((__bounded__(__string__,2,3)));
253: int setkey(const char *);
254: int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */
255: int setregid(gid_t, gid_t);
256: int setreuid(uid_t, uid_t);
257: void swab(const void *, void *, size_t);
258: void sync(void);
259: int truncate(const char *, off_t);
260: unsigned int ualarm(unsigned int, unsigned int);
261: int usleep(useconds_t);
262: pid_t vfork(void);
263: #endif
264:
265: #if __XPG_VISIBLE >= 420
266: pid_t getpgid(pid_t);
267: pid_t getsid(pid_t);
268: #endif
269:
270: #if __XPG_VISIBLE >= 500
1.36 millert 271: ssize_t pread(int, void *, size_t, off_t);
272: ssize_t pwrite(int, const void *, size_t, off_t);
1.57 millert 273: int ttyname_r(int, char *, size_t)
274: __attribute__((__bounded__(__string__,2,3)));
1.31 deraadt 275: #endif
276:
1.57 millert 277: #if __BSD_VISIBLE || __XPG_VISIBLE <= 500
278: /* Interfaces withdrawn by X/Open Issue 5 Version 0 */
1.60 kurt 279: int brk(void *);
1.57 millert 280: int chroot(const char *);
281: int getdtablesize(void);
282: int getpagesize(void);
283: char *getpass(const char *);
284: void *sbrk(int);
285: #endif
286:
287: #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420
288: int lockf(int, int, off_t);
289: #endif
290:
291: #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE
292: int symlink(const char *, const char *);
293: int gethostname(char *, size_t)
294: __attribute__ ((__bounded__(__string__,1,2)));
295: int setegid(gid_t);
296: int seteuid(uid_t);
1.65 matthew 297: #endif
298:
299: #if __POSIX_VISIBLE >= 200809
300: int faccessat(int, const char *, int, int);
301: int fchownat(int, const char *, uid_t, gid_t, int);
302: int linkat(int, const char *, int, const char *, int);
303: ssize_t readlinkat(int, const char *, char *, size_t);
304: int symlinkat(const char *, int, const char *);
305: int unlinkat(int, const char *, int);
1.57 millert 306: #endif
307:
308: #if __BSD_VISIBLE
1.36 millert 309: int acct(const char *);
1.52 millert 310: int closefrom(int);
1.51 deraadt 311: int des_cipher(const char *, char *, int32_t, int);
1.58 espie 312: int des_setkey(const char *);
1.36 millert 313: void endusershell(void);
314: int exect(const char *, char * const *, char * const *);
315: char *fflagstostr(u_int32_t);
1.50 avsm 316: int getdomainname(char *, size_t)
317: __attribute__ ((__bounded__(__string__,1,2)));
1.69 deraadt 318: int getdtablecount(void);
1.36 millert 319: int getgrouplist(const char *, gid_t, gid_t *, int *);
320: mode_t getmode(const void *, mode_t);
1.44 millert 321: int getresgid(gid_t *, gid_t *, gid_t *);
322: int getresuid(uid_t *, uid_t *, uid_t *);
1.36 millert 323: char *getusershell(void);
324: int initgroups(const char *, gid_t);
325: int iruserok(u_int32_t, int, const char *, const char *);
326: int iruserok_sa(const void *, int, int, const char *, const char *);
1.57 millert 327: int issetugid(void);
328: char *mkdtemp(char *);
329: int mkstemps(char *, int);
1.36 millert 330: int nfssvc(int, void *);
1.50 avsm 331: int profil(char *, size_t, unsigned long, unsigned int)
332: __attribute__ ((__bounded__(__string__,1,2)));
1.57 millert 333: int quotactl(const char *, int, int, char *);
1.37 millert 334: int rcmd(char **, int, const char *,
335: const char *, const char *, int *);
336: int rcmd_af(char **, int, const char *,
337: const char *, const char *, int *, int);
338: int rcmdsh(char **, int, const char *,
339: const char *, const char *, char *);
1.36 millert 340: char *re_comp(const char *);
341: int re_exec(const char *);
342: int reboot(int);
343: int revoke(const char *);
344: int rresvport(int *);
345: int rresvport_af(int *, int);
346: int ruserok(const char *, int, const char *, const char *);
1.57 millert 347: #ifndef _SELECT_DEFINED_
1.67 nigel 348: #define _SELECT_DEFINED_
1.57 millert 349: struct timeval;
1.36 millert 350: int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
1.19 deraadt 351: #endif
1.36 millert 352: int setdomainname(const char *, size_t);
353: int setgroups(int, const gid_t *);
354: int sethostid(long);
355: int sethostname(const char *, size_t);
356: int setlogin(const char *);
357: void *setmode(const char *);
1.44 millert 358: int setresgid(gid_t, gid_t, gid_t);
359: int setresuid(uid_t, uid_t, uid_t);
1.36 millert 360: int setrgid(gid_t);
361: int setruid(uid_t);
362: void setusershell(void);
363: int strtofflags(char **, u_int32_t *, u_int32_t *);
364: int swapctl(int cmd, const void *arg, int misc);
365: int syscall(int, ...);
1.57 millert 366: #endif /* __BSD_VISIBLE */
1.1 deraadt 367: __END_DECLS
368:
369: #endif /* !_UNISTD_H_ */
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