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: src/include/unistd.h,v 1.35.2.10 2002/04/15 12:52:28 nectar Exp $ 35 * $DragonFly: src/include/unistd.h,v 1.22 2008/01/10 22:30:27 nth Exp $ 36 */ 37 38 #ifndef _UNISTD_H_ 39 #define _UNISTD_H_ 40 41 #include <sys/cdefs.h> 42 #include <sys/types.h> 43 #include <sys/unistd.h> 44 45 #define STDIN_FILENO 0 /* standard input file descriptor */ 46 #define STDOUT_FILENO 1 /* standard output file descriptor */ 47 #define STDERR_FILENO 2 /* standard error file descriptor */ 48 49 #ifndef NULL 50 #define NULL 0 /* null pointer constant */ 51 #endif 52 53 #ifndef _POSIX_SOURCE 54 #define F_ULOCK 0 /* unlock locked section */ 55 #define F_LOCK 1 /* lock a section for exclusive use */ 56 #define F_TLOCK 2 /* test and lock a section for exclusive use */ 57 #define F_TEST 3 /* test a section for locks by other procs */ 58 #endif 59 60 struct iovec; 61 62 __BEGIN_DECLS 63 void _exit(int) __dead2; 64 int access(const char *, int); 65 unsigned int alarm(unsigned int); 66 int chdir(const char *); 67 int chown(const char *, uid_t, gid_t); 68 int close(int); 69 int dup(int); 70 int dup2(int, int); 71 int execl(const char *, const char *, ...); 72 int execle(const char *, const char *, ...); 73 int execlp(const char *, const char *, ...); 74 int execv(const char *, char * const *); 75 int execve(const char *, char * const *, char * const *); 76 int execvp(const char *, char * const *); 77 pid_t fork(void); 78 long fpathconf(int, int); 79 char *getcwd(char *, size_t); 80 gid_t getegid(void); 81 uid_t geteuid(void); 82 gid_t getgid(void); 83 int getgroups(int, gid_t []); 84 char *getlogin(void); 85 pid_t getpgrp(void); 86 pid_t getpid(void); 87 pid_t getppid(void); 88 uid_t getuid(void); 89 int isatty(int); 90 int link(const char *, const char *); 91 #ifndef _LSEEK_DECLARED 92 #define _LSEEK_DECLARED 93 off_t lseek(int, off_t, int); 94 #endif 95 long pathconf(const char *, int); 96 int pause(void); 97 int pipe(int *); 98 ssize_t read(int, void *, size_t); 99 int rmdir(const char *); 100 int setgid(gid_t); 101 int setpgid(pid_t, pid_t); 102 void setproctitle(const char *, ...) __printf0like(1, 2); 103 pid_t setsid(void); 104 int setuid(uid_t); 105 unsigned int sleep(unsigned int); 106 long sysconf(int); 107 pid_t tcgetpgrp(int); 108 int tcsetpgrp(int, pid_t); 109 char *ttyname(int); 110 char *ttyname_r(int, char *, size_t); 111 int unlink(const char *); 112 ssize_t write(int, const void *, size_t); 113 114 extern char *optarg; /* getopt(3) external variables */ 115 extern int optind, opterr, optopt; 116 int getopt(int, char * const [], const char *); 117 118 #ifndef _POSIX_SOURCE 119 int acct(const char *); 120 int async_daemon (void); 121 int brk(const void *); 122 int chroot(const char *); 123 int closefrom(int); 124 size_t confstr(int, char *, size_t); 125 char *crypt(const char *, const char *); 126 const char *crypt_get_format(void); 127 int crypt_set_format(const char *); 128 void endusershell(void); 129 int exect(const char *, char * const *, char * const *); 130 void extexit(int, int, void *); 131 int fchdir(int); 132 int fchown(int, uid_t, gid_t); 133 char *fflagstostr(u_long); 134 int fsync(int); 135 #ifndef _FTRUNCATE_DECLARED 136 #define _FTRUNCATE_DECLARED 137 int ftruncate(int, off_t); 138 #endif 139 int getdomainname(char *, int); 140 int getdtablesize(void); 141 int getgrouplist(const char *, gid_t, gid_t *, int *); 142 long gethostid(void); 143 int gethostname(char *, int); 144 int getlogin_r(char *, int); 145 mode_t getmode(const void *, mode_t); 146 int getpagesize(void) __pure2; 147 char *getpass(const char *); 148 int getpeereid(int, uid_t *, gid_t *); 149 int getpgid(pid_t _pid); 150 int getresgid(gid_t *, gid_t *, gid_t *); 151 int getresuid(uid_t *, uid_t *, uid_t *); 152 int getsid(pid_t _pid); 153 char *getusershell(void); 154 char *getwd(char *); /* obsoleted by getcwd() */ 155 int initgroups(const char *, int); 156 int iruserok(unsigned long, int, const char *, const char *); 157 int iruserok_sa(const void *, int, int, const char *, const char *); 158 int issetugid(void); 159 int lchown(const char *, uid_t, gid_t); 160 int lockf(int, int, off_t); 161 int lwp_create(struct lwp_params *); 162 lwpid_t lwp_gettid(void); 163 char *mkdtemp(char *); 164 int mknod(const char *, mode_t, dev_t); 165 int mkstemp(char *); 166 int mkstemps(char *, int); 167 char *mktemp(char *); 168 int nfssvc(int, void *); 169 int nice(int); 170 ssize_t pread(int, void *, size_t, off_t); 171 ssize_t extpread(int, void *, size_t, int, off_t); 172 ssize_t extpreadv(int, const struct iovec *, u_int, int, off_t); 173 int profil(char *, size_t, vm_offset_t, int); 174 ssize_t pwrite(int, const void *, size_t, off_t); 175 ssize_t extpwrite(int, const void *, size_t, int, off_t); 176 ssize_t extpwritev(int, const struct iovec *, u_int, int, off_t); 177 int rcmd(char **, int, const char *, const char *, const char *, int *); 178 int rcmd_af(char **, int, const char *, const char *, const char *, int *, 179 int); 180 int rcmdsh(char **, int, const char *, const char *, const char *, 181 const char *); 182 char *re_comp(const char *); 183 int re_exec(const char *); 184 int readlink(const char *, char *, int); 185 int reboot(int); 186 int revoke(const char *); 187 pid_t rfork(int); 188 pid_t rfork_thread(int, void *, int (*) (void *), void *); 189 int rresvport(int *); 190 int rresvport_af(int *, int); 191 int ruserok(const char *, int, const char *, const char *); 192 void *sbrk(intptr_t); 193 #ifndef _SELECT_DECLARED /* bleh BSD compatibility */ 194 #define _SELECT_DECLARED 195 struct timeval; /* select(2) */ 196 int select(int, fd_set * __restrict, fd_set * __restrict, 197 fd_set * __restrict, struct timeval * __restrict); 198 struct timespec; /* pselect(2) */ 199 int pselect(int, fd_set * __restrict, fd_set * __restrict, 200 fd_set * __restrict, const struct timespec * __restrict, 201 const sigset_t * __restrict); 202 #endif 203 int setdomainname(const char *, int); 204 int setegid(gid_t); 205 int seteuid(uid_t); 206 int setgroups(int, const gid_t *); 207 void sethostid(long); 208 int sethostname(const char *, int); 209 int setlogin(const char *); 210 void *setmode(const char *); 211 int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */ 212 int setregid(gid_t, gid_t); 213 int setresgid(gid_t, gid_t, gid_t); 214 int setresuid(uid_t, uid_t, uid_t); 215 int setreuid(uid_t, uid_t); 216 int setrgid(gid_t); 217 int setruid(uid_t); 218 void setusershell(void); 219 int strtofflags(char **, u_long *, u_long *); 220 int swapon(const char *); 221 int symlink(const char *, const char *); 222 void sync(void); 223 int syscall(int, ...); 224 off_t __syscall(quad_t, ...); 225 #ifndef _TRUNCATE_DECLARED 226 #define _TRUNCATE_DECLARED 227 int truncate(const char *, off_t); 228 #endif 229 int ttyslot(void); 230 unsigned int ualarm(unsigned int, unsigned int); 231 int umtx_sleep(volatile const int *, int , int); 232 int umtx_wakeup(volatile const int *, int); 233 int undelete(const char *); 234 int unwhiteout(const char *); 235 int usleep(unsigned int); 236 void *valloc(size_t); /* obsoleted by malloc() */ 237 pid_t vfork(void); 238 int varsym_set(int, const char *, const char *); 239 int varsym_get(int, const char *, char *, int); 240 int varsym_list(int, char *, int, int *); 241 242 extern char *suboptarg; /* getsubopt(3) external variable */ 243 int getsubopt(char **, char * const *, char **); 244 #endif /* !_POSIX_SOURCE */ 245 extern int optreset; /* getopt(3) external variable */ 246 __END_DECLS 247 248 #endif /* !_UNISTD_H_ */ 249