unistd.h revision 1.124
1 /* $NetBSD: unistd.h,v 1.124 2010/08/27 08:40:38 christos Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Klaus Klein. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 /* 33 * Copyright (c) 1991, 1993, 1994 34 * The Regents of the University of California. All rights reserved. 35 * 36 * Redistribution and use in source and binary forms, with or without 37 * modification, are permitted provided that the following conditions 38 * are met: 39 * 1. Redistributions of source code must retain the above copyright 40 * notice, this list of conditions and the following disclaimer. 41 * 2. Redistributions in binary form must reproduce the above copyright 42 * notice, this list of conditions and the following disclaimer in the 43 * documentation and/or other materials provided with the distribution. 44 * 3. Neither the name of the University nor the names of its contributors 45 * may be used to endorse or promote products derived from this software 46 * without specific prior written permission. 47 * 48 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 49 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 50 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 51 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 52 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 53 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 54 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 55 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 56 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 57 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 58 * SUCH DAMAGE. 59 * 60 * @(#)unistd.h 8.12 (Berkeley) 4/27/95 61 */ 62 63 #ifndef _UNISTD_H_ 64 #define _UNISTD_H_ 65 66 #include <machine/ansi.h> 67 #include <machine/int_types.h> 68 #include <sys/cdefs.h> 69 #include <sys/featuretest.h> 70 #include <sys/types.h> 71 #include <sys/unistd.h> 72 73 74 /* 75 * IEEE Std 1003.1-90 76 */ 77 #define STDIN_FILENO 0 /* standard input file descriptor */ 78 #define STDOUT_FILENO 1 /* standard output file descriptor */ 79 #define STDERR_FILENO 2 /* standard error file descriptor */ 80 81 #include <sys/null.h> 82 83 __BEGIN_DECLS 84 __dead void _exit(int); 85 int access(const char *, int); 86 unsigned int alarm(unsigned int); 87 int chdir(const char *); 88 #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) 89 int chown(const char *, uid_t, gid_t) __RENAME(__posix_chown); 90 #else 91 int chown(const char *, uid_t, gid_t); 92 #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ 93 int close(int); 94 size_t confstr(int, char *, size_t); 95 #ifndef __CUSERID_DECLARED 96 #define __CUSERID_DECLARED 97 /* also declared in stdio.h */ 98 char *cuserid(char *); /* obsolete */ 99 #endif /* __CUSERID_DECLARED */ 100 int dup(int); 101 int dup2(int, int); 102 int execl(const char *, const char *, ...); 103 int execle(const char *, const char *, ...); 104 int execlp(const char *, const char *, ...); 105 int execv(const char *, char * const *); 106 int execve(const char *, char * const *, char * const *); 107 int execvp(const char *, char * const *); 108 pid_t fork(void); 109 long fpathconf(int, int); 110 char *getcwd(char *, size_t); 111 gid_t getegid(void); 112 uid_t geteuid(void); 113 gid_t getgid(void); 114 int getgroups(int, gid_t []); 115 __aconst char *getlogin(void); 116 int getlogin_r(char *, size_t); 117 pid_t getpgrp(void); 118 pid_t getpid(void); 119 pid_t getppid(void); 120 uid_t getuid(void); 121 int isatty(int); 122 int link(const char *, const char *); 123 long pathconf(const char *, int); 124 int pause(void); 125 int pipe(int *); 126 ssize_t read(int, void *, size_t); 127 int rmdir(const char *); 128 int setgid(gid_t); 129 int setpgid(pid_t, pid_t); 130 pid_t setsid(void); 131 int setuid(uid_t); 132 unsigned int sleep(unsigned int); 133 long sysconf(int); 134 pid_t tcgetpgrp(int); 135 int tcsetpgrp(int, pid_t); 136 __aconst char *ttyname(int); 137 int unlink(const char *); 138 ssize_t write(int, const void *, size_t); 139 140 141 /* 142 * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later 143 */ 144 #if (_POSIX_C_SOURCE - 0) >= 2 || defined(_XOPEN_SOURCE) || \ 145 defined(_NETBSD_SOURCE) 146 int getopt(int, char * const [], const char *); 147 148 extern char *optarg; /* getopt(3) external variables */ 149 extern int opterr; 150 extern int optind; 151 extern int optopt; 152 #endif 153 154 /* 155 * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) 156 */ 157 #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ 158 defined(_NETBSD_SOURCE) 159 int setegid(gid_t); 160 int seteuid(uid_t); 161 #endif 162 163 /* 164 * The following three syscalls are also defined in <sys/types.h> 165 * We protect them against double declarations. 166 */ 167 #ifndef __OFF_T_SYSCALLS_DECLARED 168 #define __OFF_T_SYSCALLS_DECLARED 169 off_t lseek(int, off_t, int); 170 int truncate(const char *, off_t); 171 /* 172 * IEEE Std 1003.1b-93, 173 * also found in X/Open Portability Guide >= Issue 4 Verion 2 174 */ 175 #if (_POSIX_C_SOURCE - 0) >= 199309L || \ 176 (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 177 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 178 int ftruncate(int, off_t); 179 #endif 180 #endif /* __OFF_T_SYSCALLS_DECLARED */ 181 182 183 /* 184 * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 185 */ 186 #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ 187 defined(_NETBSD_SOURCE) 188 int fdatasync(int); 189 int fsync(int); 190 #endif 191 192 193 /* 194 * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 195 */ 196 #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ 197 defined(_REENTRANT) || defined(_NETBSD_SOURCE) 198 int ttyname_r(int, char *, size_t); 199 int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)); 200 #endif 201 202 /* 203 * X/Open Portability Guide, all issues 204 */ 205 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 206 int chroot(const char *); 207 int nice(int); 208 #endif 209 210 211 /* 212 * X/Open Portability Guide >= Issue 4 213 */ 214 #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) 215 __aconst char *crypt(const char *, const char *); 216 int encrypt(char *, int); 217 char *getpass(const char *); 218 pid_t getsid(pid_t); 219 #endif 220 221 222 /* 223 * X/Open Portability Guide >= Issue 4 Version 2 224 */ 225 #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ 226 (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 227 #ifndef intptr_t 228 typedef __intptr_t intptr_t; 229 #define intptr_t __intptr_t 230 #endif 231 232 #define F_ULOCK 0 233 #define F_LOCK 1 234 #define F_TLOCK 2 235 #define F_TEST 3 236 237 int brk(void *); 238 int fchdir(int); 239 #if defined(_XOPEN_SOURCE) 240 int fchown(int, uid_t, gid_t) __RENAME(__posix_fchown); 241 #else 242 int fchown(int, uid_t, gid_t); 243 #endif 244 int getdtablesize(void); 245 long gethostid(void); 246 int gethostname(char *, size_t); 247 __pure int 248 getpagesize(void); /* legacy */ 249 pid_t getpgid(pid_t); 250 #if defined(_XOPEN_SOURCE) 251 int lchown(const char *, uid_t, gid_t) __RENAME(__posix_lchown); 252 #else 253 int lchown(const char *, uid_t, gid_t); 254 #endif 255 int lockf(int, int, off_t); 256 ssize_t readlink(const char * __restrict, char * __restrict, size_t); 257 void *sbrk(intptr_t); 258 /* XXX prototype wrong! */ 259 int setpgrp(pid_t, pid_t); /* obsoleted by setpgid() */ 260 int setregid(gid_t, gid_t); 261 int setreuid(uid_t, uid_t); 262 void swab(const void * __restrict, void * __restrict, ssize_t); 263 int symlink(const char *, const char *); 264 void sync(void); 265 useconds_t ualarm(useconds_t, useconds_t); 266 int usleep(useconds_t); 267 #ifndef __LIBC12_SOURCE__ 268 pid_t vfork(void) __RENAME(__vfork14); 269 #endif 270 271 #ifndef __AUDIT__ 272 char *getwd(char *); /* obsoleted by getcwd() */ 273 #endif 274 #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ 275 276 277 /* 278 * X/Open CAE Specification Issue 5 Version 2 279 */ 280 #if (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) 281 ssize_t pread(int, void *, size_t, off_t); 282 ssize_t pwrite(int, const void *, size_t, off_t); 283 #endif 284 285 286 /* 287 * Implementation-defined extensions 288 */ 289 #if defined(_NETBSD_SOURCE) 290 int acct(const char *); 291 int closefrom(int); 292 int des_cipher(const char *, char *, long, int); 293 int des_setkey(const char *); 294 void endusershell(void); 295 int exect(const char *, char * const *, char * const *); 296 int fchroot(int); 297 int fsync_range(int, int, off_t, off_t); 298 int getdomainname(char *, size_t); 299 int getgrouplist(const char *, gid_t, gid_t *, int *); 300 int getgroupmembership(const char *, gid_t, gid_t *, int, int *); 301 mode_t getmode(const void *, mode_t); 302 int getpeereid(int, uid_t *, gid_t *); 303 int getsubopt(char **, char * const *, char **); 304 __aconst char *getusershell(void); 305 int initgroups(const char *, gid_t); 306 int iruserok(uint32_t, int, const char *, const char *); 307 int issetugid(void); 308 int nfssvc(int, void *); 309 int profil(char *, size_t, u_long, u_int); 310 #ifndef __PSIGNAL_DECLARED 311 #define __PSIGNAL_DECLARED 312 /* also in signal.h */ 313 void psignal(int, const char *); 314 #endif /* __PSIGNAL_DECLARED */ 315 int rcmd(char **, int, const char *, const char *, const char *, int *); 316 int reboot(int, char *); 317 int revoke(const char *); 318 int rresvport(int *); 319 int ruserok(const char *, int, const char *, const char *); 320 int setdomainname(const char *, size_t); 321 int setgroups(int, const gid_t *); 322 int sethostid(long); 323 int sethostname(const char *, size_t); 324 int setlogin(const char *); 325 void *setmode(const char *); 326 int setrgid(gid_t); 327 int setruid(uid_t); 328 void setusershell(void); 329 void strmode(mode_t, char *); 330 #ifndef __STRSIGNAL_DECLARED 331 #define __STRSIGNAL_DECLARED 332 /* backwards-compatibility; also in string.h */ 333 __aconst char *strsignal(int); 334 #endif /* __STRSIGNAL_DECLARED */ 335 int swapctl(int, void *, int); 336 int swapon(const char *); /* obsoleted by swapctl() */ 337 int syscall(int, ...); 338 quad_t __syscall(quad_t, ...); 339 int undelete(const char *); 340 341 #if 1 /*INET6*/ 342 int rcmd_af(char **, int, const char *, 343 const char *, const char *, int *, int); 344 int rresvport_af(int *, int); 345 int iruserok_sa(const void *, int, int, const char *, const char *); 346 #endif 347 348 #ifndef __SYS_SIGLIST_DECLARED 349 #define __SYS_SIGLIST_DECLARED 350 /* also in signal.h */ 351 extern const char *const *sys_siglist __RENAME(__sys_siglist14); 352 #endif /* __SYS_SIGLIST_DECLARED */ 353 extern int optreset; /* getopt(3) external variable */ 354 extern char *suboptarg; /* getsubopt(3) external variable */ 355 #endif 356 357 __END_DECLS 358 359 #if _FORTIFY_SOURCE > 0 360 #include <ssp/unistd.h> 361 #endif 362 #endif /* !_UNISTD_H_ */ 363
Indexes created Sun Sep 28 16:09:52 GMT 2025