1 /** $MirOS: src/include/unistd.h,v 1.7 2013/10/31 20:06:09 tg Exp $ */ 2 /* $OpenBSD: unistd.h,v 1.53 2005/05/27 17:45:56 millert Exp $ */ 3 /* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */ 4 5 /*- 6 * Copyright © 2013 7 * Thorsten “mirabilos” Glaser <tg@mirbsd.org> 8 * Copyright (c) 1991 The Regents of the University of California. 9 * All rights reserved. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)unistd.h 5.13 (Berkeley) 6/17/91 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 #ifdef __GNUG__ 51 #define NULL __null 52 #elif defined(lint) 53 #define NULL 0 54 #else 55 #define NULL ((void *)((__PTRDIFF_TYPE__)0UL)) 56 #endif 57 #endif 58 59 __BEGIN_DECLS 60 __dead void _exit(int); 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 size_t confstr(int, char *, size_t) 67 __attribute__((__bounded__(__string__, 2, 3))); 68 char *cuserid(char *); 69 int dup(int); 70 int dup2(int, int); 71 int execl(const char *, const char *, ...) 72 __attribute__((__sentinel__)); 73 int execle(const char *, const char *, ...); 74 int execlp(const char *, const char *, ...) 75 __attribute__((__sentinel__)); 76 int execv(const char *, char * const *); 77 int execve(const char *, char * const *, char * const *); 78 int execvp(const char *, char * const *); 79 pid_t fork(void); 80 long fpathconf(int, int); 81 char *getcwd(char *, size_t) 82 __attribute__((__bounded__(__string__, 1, 2))) 83 __attribute__((__bounded__(__minbytes__, 1, 1024))); 84 gid_t getegid(void); 85 uid_t geteuid(void); 86 gid_t getgid(void); 87 int getgroups(int, gid_t *); 88 char *getlogin(void); 89 int getlogin_r(char *, size_t) 90 __attribute__((__bounded__(__string__, 1, 2))) 91 __attribute__((__bounded__(__minbytes__, 1, 32))); 92 pid_t getpgrp(void); 93 pid_t getpid(void); 94 pid_t getpgid(pid_t); 95 pid_t getppid(void); 96 pid_t getsid(pid_t); 97 uid_t getuid(void); 98 int isatty(int); 99 int link(const char *, const char *); 100 off_t lseek(int, off_t, int); 101 long pathconf(const char *, int); 102 int pause(void); 103 int pipe(int *); 104 ssize_t read(int, void *, size_t) 105 __attribute__((__bounded__(__buffer__, 2, 3))); 106 int rmdir(const char *); 107 int setgid(gid_t); 108 int setpgid(pid_t, pid_t); 109 pid_t setsid(void); 110 int setuid(uid_t); 111 unsigned int sleep(unsigned int); 112 long sysconf(int); 113 pid_t tcgetpgrp(int); 114 int tcsetpgrp(int, pid_t); 115 char *ttyname(int); 116 int ttyname_r(int, char *, size_t) 117 __attribute__((__bounded__(__string__, 2, 3))); 118 int unlink(const char *); 119 ssize_t write(int, const void *, size_t) 120 __attribute__((__bounded__(__buffer__, 2, 3))); 121 122 #ifndef _POSIX_SOURCE 123 124 /* structure timeval required for select() */ 125 #include <sys/time.h> 126 127 /* 128 * X/Open CAE Specification Issue 5 Version 2 129 */ 130 #if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \ 131 (_XOPEN_VERSION - 0) >= 500 132 ssize_t pread(int, void *, size_t, off_t); 133 ssize_t pwrite(int, const void *, size_t, off_t); 134 #endif 135 136 int acct(const char *); 137 int brk(void *); 138 int chroot(const char *); 139 #if !defined(_XOPEN_SOURCE) 140 int closefrom(int); 141 #endif 142 char *crypt(const char *, const char *); 143 int des_cipher(const char *, char *, int32_t, int); 144 int des_setkey(const char *key); 145 int encrypt(char *, int); 146 void endusershell(void); 147 int exect(const char *, char * const *, char * const *); 148 int fchdir(int); 149 int fchown(int, uid_t, gid_t); 150 char *fflagstostr(u_int32_t); 151 int fsync(int); 152 int ftruncate(int, off_t); 153 int getdomainname(char *, size_t) 154 __attribute__((__bounded__(__string__, 1, 2))); 155 int getdtablesize(void); 156 int getgrouplist(const char *, gid_t, gid_t *, int *); 157 long gethostid(void); 158 int gethostname(char *, size_t) 159 __attribute__((__bounded__(__string__, 1, 2))); 160 mode_t getmode(const void *, mode_t); 161 int getpagesize(void); 162 int getresgid(gid_t *, gid_t *, gid_t *); 163 int getresuid(uid_t *, uid_t *, uid_t *); 164 char *getpass(const char *); 165 char *getusershell(void); 166 char *getwd(char *) 167 __attribute__((__bounded__(__minbytes__, 1, 1024))); 168 int initgroups(const char *, gid_t); 169 int iruserok(u_int32_t, int, const char *, const char *); 170 int iruserok_sa(const void *, int, int, const char *, const char *); 171 int lchown(const char *, uid_t, gid_t); 172 int nfssvc(int, void *); 173 int nice(int); 174 void psignal(unsigned int, const char *); 175 extern __const char *__const sys_siglist[]; 176 int profil(char *, size_t, unsigned long, unsigned int) 177 __attribute__((__bounded__(__string__, 1, 2))); 178 int rcmd(char **, int, const char *, 179 const char *, const char *, int *); 180 int rcmd_af(char **, int, const char *, 181 const char *, const char *, int *, int); 182 int rcmdsh(char **, int, const char *, 183 const char *, const char *, char *); 184 char *re_comp(const char *); 185 int re_exec(const char *); 186 int readlink(const char *, char *, size_t) 187 __attribute__((__bounded__(__string__, 2, 3))); 188 int reboot(int); 189 int revoke(const char *); 190 int rfork(int opts); 191 int rresvport(int *); 192 int rresvport_af(int *, int); 193 int ruserok(const char *, int, const char *, const char *); 194 int quotactl(const char *, int, int, char *); 195 void *sbrk(intptr_t); 196 197 #if !defined(_XOPEN_SOURCE) 198 int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); 199 #endif 200 201 int setdomainname(const char *, size_t); 202 int setegid(gid_t); 203 int seteuid(uid_t); 204 int setgroups(int, const gid_t *); 205 int sethostid(long); 206 int sethostname(const char *, size_t); 207 int setkey(const char *); 208 int setlogin(const char *); 209 void *setmode(const char *); 210 int setpgrp(pid_t pid, pid_t pgrp); /* obsoleted by setpgid() */ 211 int setregid(gid_t, gid_t); 212 int setresgid(gid_t, gid_t, gid_t); 213 int setresuid(uid_t, uid_t, uid_t); 214 int setreuid(uid_t, uid_t); 215 int setrgid(gid_t); 216 int setruid(uid_t); 217 void setusershell(void); 218 int strtofflags(char **, u_int32_t *, u_int32_t *); 219 void swab(const void *, void *, size_t); 220 int swapctl(int cmd, const void *arg, int misc); 221 int symlink(const char *, const char *); 222 void sync(void); 223 int syscall(int, ...); 224 int truncate(const char *, off_t); 225 int ttyslot(void); 226 unsigned int ualarm(unsigned int, unsigned int); 227 int undelete(const char *); 228 int usleep(useconds_t); 229 void *valloc(size_t); /* obsoleted by malloc() */ 230 pid_t vfork(void); 231 int issetugid(void); 232 233 #ifndef _GETOPT_DEFINED_ 234 #define _GETOPT_DEFINED_ 235 int getopt(int, char * const *, const char *); 236 extern char *optarg; /* getopt(3) external variables */ 237 extern int opterr; 238 extern int optind; 239 extern int optopt; 240 extern int optreset; 241 int getsubopt(char **, char * const *, char **); 242 extern char *suboptarg; /* getsubopt(3) external variable */ 243 #endif /* _GETOPT_DEFINED_ */ 244 #endif /* !_POSIX_SOURCE */ 245 246 #if (!defined(_POSIX_SOURCE) && !defined(_POSIX_C_SOURCE) && \ 247 !defined(_XOPEN_SOURCE)) || \ 248 (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE_EXTENDED - 0 == 1) 249 #define F_ULOCK 0 250 #define F_LOCK 1 251 #define F_TLOCK 2 252 #define F_TEST 3 253 int lockf(int, int, off_t); 254 #endif /* (!defined(_POSIX_SOURCE) && !defined(_XOPEN_SOURCE)) || ... */ 255 __END_DECLS 256 257 #endif /* !_UNISTD_H_ */ 258