freebsd-dev/include/unistd.h
Garrett Wollman 1cb2a9ae56 Partially fix namespace visibility issues by using new visibility macros.
Some issues still remain, and will require research in old POSIX standards
if we care to get them right.
2002-06-15 23:35:37 +00:00

288 lines
8.9 KiB
C

/*-
* Copyright (c) 1991, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)unistd.h 8.12 (Berkeley) 4/27/95
* $FreeBSD$
*/
#ifndef _UNISTD_H_
#define _UNISTD_H_
#include <sys/cdefs.h>
#include <sys/types.h> /* XXX adds too much pollution. */
#include <sys/unistd.h>
#include <sys/_types.h>
#ifdef _BSD_GID_T_
typedef _BSD_GID_T_ gid_t;
#undef _BSD_GID_T_
#endif
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
#ifdef _BSD_SSIZE_T_
typedef _BSD_SSIZE_T_ ssize_t;
#undef _BSD_SSIZE_T_
#endif
#ifdef _BSD_UID_T_
typedef _BSD_UID_T_ uid_t;
#undef _BSD_UID_T_
#endif
/*
* XXX missing type definitions for off_t, pid_t and useconds_t.
*/
#define STDIN_FILENO 0 /* standard input file descriptor */
#define STDOUT_FILENO 1 /* standard output file descriptor */
#define STDERR_FILENO 2 /* standard error file descriptor */
#ifndef NULL
#define NULL 0 /* null pointer constant */
#endif
#if __XSI_VISIBLE || __POSIX_VISIBLE >= 200112
#define F_ULOCK 0 /* unlock locked section */
#define F_LOCK 1 /* lock a section for exclusive use */
#define F_TLOCK 2 /* test and lock a section for exclusive use */
#define F_TEST 3 /* test a section for locks by other procs */
#endif
__BEGIN_DECLS
/* 1003.1-1990 */
void _exit(int) __dead2;
int access(const char *, int);
unsigned int alarm(unsigned int);
int chdir(const char *);
int chown(const char *, uid_t, gid_t);
int close(int);
int dup(int);
int dup2(int, int);
int eaccess(const char *, int);
int execl(const char *, const char *, ...);
int execle(const char *, const char *, ...);
int execlp(const char *, const char *, ...);
int execv(const char *, char * const *);
int execve(const char *, char * const *, char * const *);
int execvp(const char *, char * const *);
pid_t fork(void);
long fpathconf(int, int);
char *getcwd(char *, size_t);
gid_t getegid(void);
uid_t geteuid(void);
gid_t getgid(void);
int getgroups(int, gid_t []);
char *getlogin(void);
pid_t getpgrp(void);
pid_t getpid(void);
pid_t getppid(void);
uid_t getuid(void);
int isatty(int);
int link(const char *, const char *);
#ifndef _LSEEK_DECLARED
#define _LSEEK_DECLARED
off_t lseek(int, off_t, int);
#endif
long pathconf(const char *, int);
int pause(void);
int pipe(int *);
ssize_t read(int, void *, size_t);
int rmdir(const char *);
int setgid(gid_t);
int setpgid(pid_t, pid_t);
void setproctitle(const char *_fmt, ...) __printf0like(1, 2);
pid_t setsid(void);
int setuid(uid_t);
unsigned int sleep(unsigned int);
long sysconf(int);
pid_t tcgetpgrp(int);
int tcsetpgrp(int, pid_t);
char *ttyname(int);
int unlink(const char *);
ssize_t write(int, const void *, size_t);
extern char *optarg; /* getopt(3) external variables */
extern int optind, opterr, optopt;
int getopt(int, char * const [], const char *);
/* 1003.1b-1993 */
#if __POSIX_VISIBLE >= 199309
/*
* Need to check old copies of POSIX to determine when each of these
* interfaces was added.
*/
size_t confstr(int, char *, size_t);
int fchown(int, uid_t, gid_t);
int fsync(int);
/* symlink is from .1a and XPG4.2 -- need to check version for the former */
int symlink(const char *, const char *);
#endif
/* ISO/IEC 9945-1: 1996 */
#if __POSIX_VISIBLE >= 199506
/*
* ftruncate() was in the POSIX Realtime Extension (it's used for shared
* memory), but truncate() was not.
*/
#ifndef _FTRUNCATE_DECLARED
#define _FTRUNCATE_DECLARED
int ftruncate(int, off_t);
#endif
int getlogin_r(char *, int);
#endif
/* 1003.1-2001 */
#if __POSIX_VISIBLE >= 200112
int gethostname(char *, int /* socklen_t */);
int setegid(gid_t);
int seteuid(uid_t);
#endif
/* X/Open System Interfaces */
#if __XSI_VISIBLE
char *crypt(const char *, const char *);
/* char *ctermid(char *); */ /* XXX ??? */
int encrypt(char *, int);
int fchdir(int);
int getpgid(pid_t _pid);
int getsid(pid_t _pid);
char *getwd(char *); /* LEGACY: obsoleted by getcwd() */
int lchown(const char *, uid_t, gid_t);
int lockf(int, int, off_t);
int nice(int);
ssize_t pread(int, void *, size_t, off_t);
ssize_t pwrite(int, const void *, size_t, off_t);
int setpgrp(pid_t _pid, pid_t _pgrp); /* obsoleted by setpgid() */
int setregid(gid_t, gid_t);
int setreuid(uid_t, uid_t);
/* void swab(const void *__restrict, void *__restrict, ssize_t); */
void sync(void);
unsigned int ualarm(unsigned int, unsigned int);
int usleep(unsigned int);
pid_t vfork(void);
/* See comment at ftruncate() above. */
#ifndef _TRUNCATE_DECLARED
#define _TRUNCATE_DECLARED
int truncate(const char *, off_t);
#endif
#endif /* __XSI_VISIBLE */
#if __BSD_VISIBLE
struct timeval; /* select(2) */
int acct(const char *);
int async_daemon(void);
int brk(const void *);
int chroot(const char *);
const char *
crypt_get_format(void);
int crypt_set_format(const char *);
int des_cipher(const char *, char *, long, int);
int des_setkey(const char *key);
void endusershell(void);
int exect(const char *, char * const *, char * const *);
char *fflagstostr(u_long);
int getdomainname(char *, int);
int getdtablesize(void);
int getgrouplist(const char *, gid_t, gid_t *, int *);
long gethostid(void);
mode_t getmode(const void *, mode_t);
int getpagesize(void) __pure2;
char *getpass(const char *);
int getpeereid(int, uid_t *, gid_t *);
int getresgid(gid_t *, gid_t *, gid_t *);
int getresuid(uid_t *, uid_t *, uid_t *);
char *getusershell(void);
int initgroups(const char *, gid_t);
int iruserok(unsigned long, int, const char *, const char *);
int iruserok_sa(const void *, int, int, const char *, const char *);
int issetugid(void);
char *mkdtemp(char *);
int mknod(const char *, mode_t, dev_t);
int mkstemp(char *);
int mkstemps(char *, int);
char *mktemp(char *);
int nfsclnt(int, void *);
int nfssvc(int, void *);
int profil(char *, size_t, vm_offset_t, int);
int rcmd(char **, int, const char *, const char *, const char *, int *);
int rcmd_af(char **, int, const char *,
const char *, const char *, int *, int);
int rcmdsh(char **, int, const char *,
const char *, const char *, const char *);
char *re_comp(const char *);
int re_exec(const char *);
int readlink(const char *, char *, int);
int reboot(int);
int revoke(const char *);
pid_t rfork(int);
pid_t rfork_thread(int, void *, int (*)(void *), void *);
int rresvport(int *);
int rresvport_af(int *, int);
int ruserok(const char *, int, const char *, const char *);
void *sbrk(intptr_t);
int select(int, fd_set *, fd_set *, fd_set *, struct timeval *);
int setdomainname(const char *, int);
int setgroups(int, const gid_t *);
void sethostid(long);
int sethostname(const char *, int);
int setkey(const char *);
int setlogin(const char *);
void *setmode(const char *);
int setresgid(gid_t, gid_t, gid_t);
int setresuid(uid_t, uid_t, uid_t);
int setrgid(gid_t);
int setruid(uid_t);
void setusershell(void);
int strtofflags(char **, u_long *, u_long *);
int swapon(const char *);
int syscall(int, ...);
off_t __syscall(quad_t, ...);
int ttyslot(void);
int undelete(const char *);
int unwhiteout(const char *);
void *valloc(size_t); /* obsoleted by malloc() */
extern char *suboptarg; /* getsubopt(3) external variable */
int getsubopt(char **, char * const *, char **);
extern int optreset; /* getopt(3) external variable */
#endif /* __BSD_VISIBLE */
__END_DECLS
#endif /* !_UNISTD_H_ */