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 * $FreeBSD$ 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/_types.h> 44 45 #ifdef _BSD_GID_T_ 46 typedef _BSD_GID_T_ gid_t; 47 #undef _BSD_GID_T_ 48 #endif 49 50 #ifdef _BSD_SIZE_T_ 51 typedef _BSD_SIZE_T_ size_t; 52 #undef _BSD_SIZE_T_ 53 #endif 54 55 #ifdef _BSD_SSIZE_T_ 56 typedef _BSD_SSIZE_T_ ssize_t; 57 #undef _BSD_SSIZE_T_ 58 #endif 59 60 #ifdef _BSD_UID_T_ 61 typedef _BSD_UID_T_ uid_t; 62 #undef _BSD_UID_T_ 63 #endif 64 65 /* 66 * XXX missing type definitions for off_t, pid_t and useconds_t. 67 */ 68 69 #define STDIN_FILENO 0 /* standard input file descriptor */ 70 #define STDOUT_FILENO 1 /* standard output file descriptor */ 71 #define STDERR_FILENO 2 /* standard error file descriptor */ 72 73 #ifndef NULL 74 #define NULL 0 /* null pointer constant */ 75 #endif 76 77 #if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112 78 #define F_ULOCK 0 /* unlock locked section */ 79 #define F_LOCK 1 /* lock a section for exclusive use */ 80 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 81 #define F_TEST 3 /* test a section for locks by other procs */ 82 #endif 83 84 __BEGIN_DECLS 85 /* 1003.1-1990 */ 86 void _exit(int) __dead2; 87 int access(const char *, int); 88 unsigned int alarm(unsigned int); 89 int chdir(const char *); 90 int chown(const char *, uid_t, gid_t); 91 int close(int); 92 int dup(int); 93 int dup2(int, int); 94 int eaccess(const char *, int); 95 int execl(const char *, const char *, ...); 96 int execle(const char *, const char *, ...); 97 int execlp(const char *, const char *, ...); 98 int execv(const char *, char * const *); 99 int execve(const char *, char * const *, char * const *); 100 int execvp(const char *, char * const *); 101 pid_t fork(void); 102 long fpathconf(int, int); 103 char *getcwd(char *, size_t); 104 gid_t getegid(void); 105 uid_t geteuid(void); 106 gid_t getgid(void); 107 int getgroups(int, gid_t []); 108 char *getlogin(void); 109 pid_t getpgrp(void); 110 pid_t getpid(void); 111 pid_t getppid(void); 112 uid_t getuid(void); 113 int isatty(int); 114 int link(const char *, const char *); 115 #ifndef _LSEEK_DECLARED 116 #define _LSEEK_DECLARED 117 off_t lseek(int, off_t, int); 118 #endif 119 long pathconf(const char *, int); 120 int pause(void); 121 int pipe(int *); 122 ssize_t read(int, void *, size_t); 123 int rmdir(const char *); 124 int setgid(gid_t); 125 int setpgid(pid_t, pid_t); 126 void setproctitle(const char *_fmt, ...) __printf0like(1, 2); 127 pid_t setsid(void); 128 int setuid(uid_t); 129 unsigned int sleep(unsigned int); 130 long sysconf(int); 131 pid_t tcgetpgrp(int); 132 int tcsetpgrp(int, pid_t); 133 char *ttyname(int); 134 int unlink(const char *); 135 ssize_t write(int, const void *, size_t); 136 137 /* 1003.2-1992 */ 138 #if __POSIX_VISIBLE >= 199209 139 size_t confstr(int, char *, size_t); 140 int getopt(int, char * const [], const char *); 141 142 extern char *optarg; /* getopt(3) external variables */ 143 extern int optind, opterr, optopt; 144 145 #define _CS_PATH 1 /* default value of PATH */ 146 #endif 147 148 /* ISO/IEC 9945-1: 1996 */ 149 #if __POSIX_VISIBLE >= 199506 150 int fsync(int); 151 152 /* 153 * ftruncate() was in the POSIX Realtime Extension (it's used for shared 154 * memory), but truncate() was not. 155 */ 156 #ifndef _FTRUNCATE_DECLARED 157 #define _FTRUNCATE_DECLARED 158 int ftruncate(int, off_t); 159 #endif 160 161 int getlogin_r(char *, int); 162 #endif 163 164 /* 1003.1-2001 */ 165 #if __POSIX_VISIBLE >= 200112 166 int fchown(int, uid_t, gid_t); 167 int gethostname(char *, int /* socklen_t */); 168 int setegid(gid_t); 169 int seteuid(uid_t); 170 171 /* X/Open mistake copied by POSIX */ 172 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 173 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 174 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 175 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 176 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 177 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 178 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 179 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 180 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10 181 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 182 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 183 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 184 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 185 #endif 186 187 /* 188 * symlink() was originally in POSIX.1a, which was withdrawn after 189 * being overtaken by events (1003.1-2001). It was in XPG4.2, and of 190 * course has been in BSD practically forever. 191 */ 192 #if __POSIX_VISIBLE >= 200112 || __XSI_VISIBLE >= 402 || __BSD_VISIBLE 193 int symlink(const char *__restrict, const char *__restrict); 194 #endif 195 196 /* X/Open System Interfaces */ 197 #if __XSI_VISIBLE 198 char *crypt(const char *, const char *); 199 /* char *ctermid(char *); */ /* XXX ??? */ 200 int encrypt(char *, int); 201 int fchdir(int); 202 int getpgid(pid_t _pid); 203 int getsid(pid_t _pid); 204 char *getwd(char *); /* LEGACY: obsoleted by getcwd() */ 205 int lchown(const char *, uid_t, gid_t); 206 int lockf(int, int, off_t); 207 int nice(int); 208 ssize_t pread(int, void *, size_t, off_t); 209 ssize_t pwrite(int, const void *, size_t, off_t); 210 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 211 int setregid(gid_t, gid_t); 212 int setreuid(uid_t, uid_t); 213 /* void swab(const void *__restrict, void *__restrict, ssize_t); */ 214 void sync(void); 215 unsigned int ualarm(unsigned int, unsigned int); 216 int usleep(unsigned int); 217 pid_t vfork(void); 218 219 /* See comment at ftruncate() above. */ 220 #ifndef _TRUNCATE_DECLARED 221 #define _TRUNCATE_DECLARED 222 int truncate(const char *, off_t); 223 #endif 224 #endif /* __XSI_VISIBLE */ 225 226 #if __BSD_VISIBLE 227 struct timeval; /* select(2) */ 228 int acct(const char *); 229 int async_daemon(void); 230 int brk(const void *); 231 int chroot(const char *); 232 const char * 233 crypt_get_format(void); 234 int crypt_set_format(const char *); 235 int des_cipher(const char *, char *, long, int); 236 int des_setkey(const char *key); 237 void endusershell(void); 238 int exect(const char *, char * const *, char * const *); 239 char *fflagstostr(u_long); 240 int getdomainname(char *, int); 241 int getdtablesize(void); 242 int getgrouplist(const char *, gid_t, gid_t *, int *); 243 long gethostid(void); 244 mode_t getmode(const void *, mode_t); 245 int getpagesize(void) __pure2; 246 char *getpass(const char *); 247 int getpeereid(int, uid_t *, gid_t *); 248 int getresgid(gid_t *, gid_t *, gid_t *); 249 int getresuid(uid_t *, uid_t *, uid_t *); 250 char *getusershell(void); 251 int initgroups(const char *, gid_t); 252 int iruserok(unsigned long, int, const char *, const char *); 253 int iruserok_sa(const void *, int, int, const char *, const char *); 254 int issetugid(void); 255 char *mkdtemp(char *); 256 int mknod(const char *, mode_t, dev_t); 257 int mkstemp(char *); 258 int mkstemps(char *, int); 259 char *mktemp(char *); 260 int nfsclnt(int, void *); 261 int nfssvc(int, void *); 262 int profil(char *, size_t, vm_offset_t, int); 263 int rcmd(char **, int, const char *, const char *, const char *, int *); 264 int rcmd_af(char **, int, const char *, 265 const char *, const char *, int *, int); 266 int rcmdsh(char **, int, const char *, 267 const char *, const char *, const char *); 268 char *re_comp(const char *); 269 int re_exec(const char *); 270 int readlink(const char *, char *, int); 271 int reboot(int); 272 int revoke(const char *); 273 pid_t rfork(int); 274 pid_t rfork_thread(int, void *, int (*)(void *), void *); 275 int rresvport(int *); 276 int rresvport_af(int *, int); 277 int ruserok(const char *, int, const char *, const char *); 278 void *sbrk(intptr_t); 279 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 280 int setdomainname(const char *, int); 281 int setgroups(int, const gid_t *); 282 void sethostid(long); 283 int sethostname(const char *, int); 284 int setkey(const char *); 285 int setlogin(const char *); 286 void *setmode(const char *); 287 int setresgid(gid_t, gid_t, gid_t); 288 int setresuid(uid_t, uid_t, uid_t); 289 int setrgid(gid_t); 290 int setruid(uid_t); 291 void setusershell(void); 292 int strtofflags(char **, u_long *, u_long *); 293 int swapon(const char *); 294 int syscall(int, ...); 295 off_t __syscall(quad_t, ...); 296 int ttyslot(void); 297 int undelete(const char *); 298 int unwhiteout(const char *); 299 void *valloc(size_t); /* obsoleted by malloc() */ 300 301 extern char *suboptarg; /* getsubopt(3) external variable */ 302 int getsubopt(char **, char * const *, char **); 303 extern int optreset; /* getopt(3) external variable */ 304 #endif /* __BSD_VISIBLE */ 305 __END_DECLS 306 307 #endif /* !_UNISTD_H_ */ 308