include/unistd.h

   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 1.24 2008/06/05 17:53:10 swildner 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 #include <sys/_null.h>
  45
  46 #define STDIN_FILENO    0       /* standard input file descriptor */
  47 #define STDOUT_FILENO   1       /* standard output file descriptor */
  48 #define STDERR_FILENO   2       /* standard error file descriptor */
  49
  50 #ifndef _POSIX_SOURCE
  51 #define F_ULOCK         0       /* unlock locked section */
  52 #define F_LOCK          1       /* lock a section for exclusive use */
  53 #define F_TLOCK         2       /* test and lock a section for exclusive use */
  54 #define F_TEST          3       /* test a section for locks by other procs */
  55 #endif
  56
  57 struct iovec;
  58
  59 __BEGIN_DECLS
  60 void     _exit(int) __dead2;
  61 int      access(const char *, int);
  62 unsigned int     alarm(unsigned int);
  63 int      chdir(const char *);
  64 int      chown(const char *, uid_t, gid_t);
  65 int      close(int);
  66 int      dup(int);
  67 int      dup2(int, int);
  68 int      execl(const char *, const char *, ...);
  69 int      execle(const char *, const char *, ...);
  70 int      execlp(const char *, const char *, ...);
  71 int      execv(const char *, char * const *);
  72 int      execve(const char *, char * const *, char * const *);
  73 int      execvp(const char *, char * const *);
  74 pid_t    fork(void);
  75 long     fpathconf(int, int);
  76 char    *getcwd(char *, size_t);
  77 gid_t    getegid(void);
  78 uid_t    geteuid(void);
  79 gid_t    getgid(void);
  80 int      getgroups(int, gid_t []);
  81 char    *getlogin(void);
  82 pid_t    getpgrp(void);
  83 pid_t    getpid(void);
  84 pid_t    getppid(void);
  85 uid_t    getuid(void);
  86 int      isatty(int);
  87 int      link(const char *, const char *);
  88 #ifndef _LSEEK_DECLARED
  89 #define _LSEEK_DECLARED
  90 off_t    lseek(int, off_t, int);
  91 #endif
  92 long     pathconf(const char *, int);
  93 int      pause(void);
  94 int      pipe(int *);
  95 ssize_t  read(int, void *, size_t);
  96 int      rmdir(const char *);
  97 int      setgid(gid_t);
  98 int      setpgid(pid_t, pid_t);
  99 void     setproctitle(const char *, ...) __printf0like(1, 2);
 100 pid_t    setsid(void);
 101 int      setuid(uid_t);
 102 unsigned int     sleep(unsigned int);
 103 long     sysconf(int);
 104 pid_t    tcgetpgrp(int);
 105 int      tcsetpgrp(int, pid_t);
 106 char    *ttyname(int);
 107 char    *ttyname_r(int, char *, size_t);
 108 int      unlink(const char *);
 109 ssize_t  write(int, const void *, size_t);
 110
 111 extern char *optarg;                    /* getopt(3) external variables */
 112 extern int optind, opterr, optopt;
 113 int      getopt(int, char * const [], const char *);
 114
 115 #ifndef _POSIX_SOURCE
 116 int      acct(const char *);
 117 int      async_daemon (void);
 118 int      brk(const void *);
 119 int      chroot(const char *);
 120 int      closefrom(int);
 121 size_t   confstr(int, char *, size_t);
 122 char    *crypt(const char *, const char *);
 123 const char *crypt_get_format(void);
 124 int      crypt_set_format(const char *);
 125 void     endusershell(void);
 126 int      exect(const char *, char * const *, char * const *);
 127 void     extexit(int, int, void *);
 128 int      fchdir(int);
 129 int      fchown(int, uid_t, gid_t);
 130 char    *fflagstostr(u_long);
 131 int      fsync(int);
 132 #ifndef _FTRUNCATE_DECLARED
 133 #define _FTRUNCATE_DECLARED
 134 int      ftruncate(int, off_t);
 135 #endif
 136 int      getdomainname(char *, int);
 137 int      getdtablesize(void);
 138 int      getgrouplist(const char *, gid_t, gid_t *, int *);
 139 long     gethostid(void);
 140 int      gethostname(char *, int);
 141 int      getlogin_r(char *, int);
 142 mode_t   getmode(const void *, mode_t);
 143 int      getpagesize(void) __pure2;
 144 char    *getpass(const char *);
 145 int      getpeereid(int, uid_t *, gid_t *);
 146 int      getpgid(pid_t _pid);
 147 int      getresgid(gid_t *, gid_t *, gid_t *);
 148 int      getresuid(uid_t *, uid_t *, uid_t *);
 149 int      getsid(pid_t _pid);
 150 char    *getusershell(void);
 151 char    *getwd(char *);                         /* obsoleted by getcwd() */
 152 int      initgroups(const char *, int);
 153 int      iruserok(unsigned long, int, const char *, const char *);
 154 int      iruserok_sa(const void *, int, int, const char *, const char *);
 155 int      issetugid(void);
 156 int      lchown(const char *, uid_t, gid_t);
 157 int      lockf(int, int, off_t);
 158 int      lwp_create(struct lwp_params *);
 159 lwpid_t  lwp_gettid(void);
 160 char    *mkdtemp(char *);
 161 int      mknod(const char *, mode_t, dev_t);
 162 int      mkstemps(char *, int);
 163 char    *mktemp(char *);
 164 int      nfssvc(int, void *);
 165 int      nice(int);
 166 ssize_t  pread(int, void *, size_t, off_t);
 167 ssize_t  extpread(int, void *, size_t, int, off_t);
 168 ssize_t  extpreadv(int, const struct iovec *, u_int, int, off_t);
 169 int      profil(char *, size_t, vm_offset_t, int);
 170 ssize_t  pwrite(int, const void *, size_t, off_t);
 171 ssize_t  extpwrite(int, const void *, size_t, int, off_t);
 172 ssize_t  extpwritev(int, const struct iovec *, u_int, int, off_t);
 173 int      rcmd(char **, int, const char *, const char *, const char *, int *);
 174 int      rcmd_af(char **, int, const char *, const char *, const char *, int *,
 175                  int);
 176 int      rcmdsh(char **, int, const char *, const char *, const char *,
 177                 const char *);
 178 char    *re_comp(const char *);
 179 int      re_exec(const char *);
 180 int      readlink(const char *, char *, int);
 181 int      reboot(int);
 182 int      revoke(const char *);
 183 pid_t    rfork(int);
 184 pid_t    rfork_thread(int, void *, int (*) (void *), void *);
 185 int      rresvport(int *);
 186 int      rresvport_af(int *, int);
 187 int      ruserok(const char *, int, const char *, const char *);
 188 void    *sbrk(intptr_t);
 189 int      setdomainname(const char *, int);
 190 int      setegid(gid_t);
 191 int      seteuid(uid_t);
 192 int      setgroups(int, const gid_t *);
 193 void     sethostid(long);
 194 int      sethostname(const char *, int);
 195 int      setlogin(const char *);
 196 void    *setmode(const char *);
 197 int      setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
 198 int      setregid(gid_t, gid_t);
 199 int      setresgid(gid_t, gid_t, gid_t);
 200 int      setresuid(uid_t, uid_t, uid_t);
 201 int      setreuid(uid_t, uid_t);
 202 int      setrgid(gid_t);
 203 int      setruid(uid_t);
 204 void     setusershell(void);
 205 int      strtofflags(char **, u_long *, u_long *);
 206 int      swapon(const char *);
 207 int      symlink(const char *, const char *);
 208 void     sync(void);
 209 int      syscall(int, ...);
 210 off_t    __syscall(quad_t, ...);
 211 #ifndef _TRUNCATE_DECLARED
 212 #define _TRUNCATE_DECLARED
 213 int      truncate(const char *, off_t);
 214 #endif
 215 int      ttyslot(void);
 216 unsigned int     ualarm(unsigned int, unsigned int);
 217 int      umtx_sleep(volatile const int *, int , int);
 218 int      umtx_wakeup(volatile const int *, int);
 219 int      undelete(const char *);
 220 int      unwhiteout(const char *);
 221 int      usleep(unsigned int);
 222 void    *valloc(size_t);                        /* obsoleted by malloc() */
 223 pid_t    vfork(void);
 224 int      varsym_set(int, const char *, const char *);
 225 int      varsym_get(int, const char *, char *, int);
 226 int      varsym_list(int, char *, int, int *);
 227
 228 #endif /* !_POSIX_SOURCE */
 229 extern int optreset;                    /* getopt(3) external variable */
 230 __END_DECLS
 231
 232 /* BSD compatibility for certain function declarations */
 233 #ifdef __BSD_VISIBLE
 234 #include <sys/select.h>
 235 #endif
 236
 237 #endif /* !_UNISTD_H_ */