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 extern char *optarg; /* getopt(3) external variables */ 138 extern int optind, opterr, optopt; 139 int getopt(int, char * const [], const char *); 140 141 /* 1003.1b-1993 */ 142 #if __POSIX_VISIBLE >= 199309 143 /* 144 * Need to check old copies of POSIX to determine when each of these 145 * interfaces was added. 146 */ 147 size_t confstr(int, char *, size_t); 148 int fchown(int, uid_t, gid_t); 149 int fsync(int); 150 151 /* symlink is from .1a and XPG4.2 -- need to check version for the former */ 152 int symlink(const char *, const char *); 153 #endif 154 155 /* ISO/IEC 9945-1: 1996 */ 156 #if __POSIX_VISIBLE >= 199506 157 /* 158 * ftruncate() was in the POSIX Realtime Extension (it's used for shared 159 * memory), but truncate() was not. 160 */ 161 #ifndef _FTRUNCATE_DECLARED 162 #define _FTRUNCATE_DECLARED 163 int ftruncate(int, off_t); 164 #endif 165 166 int getlogin_r(char *, int); 167 #endif 168 169 /* 1003.1-2001 */ 170 #if __POSIX_VISIBLE >= 200112 171 int gethostname(char *, int /* socklen_t */); 172 int setegid(gid_t); 173 int seteuid(uid_t); 174 #endif 175 176 /* X/Open System Interfaces */ 177 #if __XSI_VISIBLE 178 char *crypt(const char *, const char *); 179 /* char *ctermid(char *); */ /* XXX ??? */ 180 int encrypt(char *, int); 181 int fchdir(int); 182 int getpgid(pid_t _pid); 183 int getsid(pid_t _pid); 184 char *getwd(char *); /* LEGACY: obsoleted by getcwd() */ 185 int lchown(const char *, uid_t, gid_t); 186 int lockf(int, int, off_t); 187 int nice(int); 188 ssize_t pread(int, void *, size_t, off_t); 189 ssize_t pwrite(int, const void *, size_t, off_t); 190 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 191 int setregid(gid_t, gid_t); 192 int setreuid(uid_t, uid_t); 193 /* void swab(const void *__restrict, void *__restrict, ssize_t); */ 194 void sync(void); 195 unsigned int ualarm(unsigned int, unsigned int); 196 int usleep(unsigned int); 197 pid_t vfork(void); 198 199 /* See comment at ftruncate() above. */ 200 #ifndef _TRUNCATE_DECLARED 201 #define _TRUNCATE_DECLARED 202 int truncate(const char *, off_t); 203 #endif 204 #endif /* __XSI_VISIBLE */ 205 206 #if __BSD_VISIBLE 207 struct timeval; /* select(2) */ 208 int acct(const char *); 209 int async_daemon(void); 210 int brk(const void *); 211 int chroot(const char *); 212 const char * 213 crypt_get_format(void); 214 int crypt_set_format(const char *); 215 int des_cipher(const char *, char *, long, int); 216 int des_setkey(const char *key); 217 void endusershell(void); 218 int exect(const char *, char * const *, char * const *); 219 char *fflagstostr(u_long); 220 int getdomainname(char *, int); 221 int getdtablesize(void); 222 int getgrouplist(const char *, gid_t, gid_t *, int *); 223 long gethostid(void); 224 mode_t getmode(const void *, mode_t); 225 int getpagesize(void) __pure2; 226 char *getpass(const char *); 227 int getpeereid(int, uid_t *, gid_t *); 228 int getresgid(gid_t *, gid_t *, gid_t *); 229 int getresuid(uid_t *, uid_t *, uid_t *); 230 char *getusershell(void); 231 int initgroups(const char *, gid_t); 232 int iruserok(unsigned long, int, const char *, const char *); 233 int iruserok_sa(const void *, int, int, const char *, const char *); 234 int issetugid(void); 235 char *mkdtemp(char *); 236 int mknod(const char *, mode_t, dev_t); 237 int mkstemp(char *); 238 int mkstemps(char *, int); 239 char *mktemp(char *); 240 int nfsclnt(int, void *); 241 int nfssvc(int, void *); 242 int profil(char *, size_t, vm_offset_t, int); 243 int rcmd(char **, int, const char *, const char *, const char *, int *); 244 int rcmd_af(char **, int, const char *, 245 const char *, const char *, int *, int); 246 int rcmdsh(char **, int, const char *, 247 const char *, const char *, const char *); 248 char *re_comp(const char *); 249 int re_exec(const char *); 250 int readlink(const char *, char *, int); 251 int reboot(int); 252 int revoke(const char *); 253 pid_t rfork(int); 254 pid_t rfork_thread(int, void *, int (*)(void *), void *); 255 int rresvport(int *); 256 int rresvport_af(int *, int); 257 int ruserok(const char *, int, const char *, const char *); 258 void *sbrk(intptr_t); 259 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 260 int setdomainname(const char *, int); 261 int setgroups(int, const gid_t *); 262 void sethostid(long); 263 int sethostname(const char *, int); 264 int setkey(const char *); 265 int setlogin(const char *); 266 void *setmode(const char *); 267 int setresgid(gid_t, gid_t, gid_t); 268 int setresuid(uid_t, uid_t, uid_t); 269 int setrgid(gid_t); 270 int setruid(uid_t); 271 void setusershell(void); 272 int strtofflags(char **, u_long *, u_long *); 273 int swapon(const char *); 274 int syscall(int, ...); 275 off_t __syscall(quad_t, ...); 276 int ttyslot(void); 277 int undelete(const char *); 278 int unwhiteout(const char *); 279 void *valloc(size_t); /* obsoleted by malloc() */ 280 281 extern char *suboptarg; /* getsubopt(3) external variable */ 282 int getsubopt(char **, char * const *, char **); 283 extern int optreset; /* getopt(3) external variable */ 284 #endif /* __BSD_VISIBLE */ 285 __END_DECLS 286 287 #endif /* !_UNISTD_H_ */ 288