/* $NetBSD: unistd.h,v 1.163.2.1 2024/10/09 13:12:40 martin Exp $ */ /*- * Copyright (c) 1998, 1999, 2008 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Klaus Klein. * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /* * 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. 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 */ #ifndef _UNISTD_H_ #define _UNISTD_H_ #include #include #include #include #include #include #if _FORTIFY_SOURCE > 0 #include #endif /* * IEEE Std 1003.1-90 */ #define STDIN_FILENO 0 /* standard input file descriptor */ #define STDOUT_FILENO 1 /* standard output file descriptor */ #define STDERR_FILENO 2 /* standard error file descriptor */ #include __BEGIN_DECLS __dead void _exit(int); int access(const char *, int); unsigned int alarm(unsigned int); int chdir(const char *); #if defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) int chown(const char *, uid_t, gid_t) __RENAME(__posix_chown); #else int chown(const char *, uid_t, gid_t); #endif /* defined(_POSIX_C_SOURCE) || defined(_XOPEN_SOURCE) */ int close(int); size_t confstr(int, char *, size_t); #ifndef __CUSERID_DECLARED #define __CUSERID_DECLARED /* also declared in stdio.h */ char *cuserid(char *); /* obsolete */ #endif /* __CUSERID_DECLARED */ int dup(int); int dup2(int, int); int execl(const char *, const char *, ...) __null_sentinel; int execle(const char *, const char *, ...); int execlp(const char *, const char *, ...) __null_sentinel; 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); #if __SSP_FORTIFY_LEVEL == 0 char *getcwd(char *, size_t); #endif gid_t getegid(void); uid_t geteuid(void); gid_t getgid(void); int getgroups(int, gid_t []); __aconst char *getlogin(void); int getlogin_r(char *, size_t); 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 *); long pathconf(const char *, int); int pause(void); int pipe(int *); #if __SSP_FORTIFY_LEVEL == 0 ssize_t read(int, void *, size_t); #endif int rmdir(const char *); int setgid(gid_t); int setpgid(pid_t, pid_t); 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); __aconst char *ttyname(int); int unlink(const char *); ssize_t write(int, const void *, size_t); /* * IEEE Std 1003.2-92, adopted in X/Open Portability Guide Issue 4 and later */ #if (_POSIX_C_SOURCE - 0) >= 2 || defined(_XOPEN_SOURCE) || \ defined(_NETBSD_SOURCE) int getopt(int, char * const [], const char *); extern char *optarg; /* getopt(3) external variables */ extern int opterr; extern int optind; extern int optopt; #endif /* * The Open Group Base Specifications, Issue 5; IEEE Std 1003.1-2001 (POSIX) */ #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 500 || \ defined(_NETBSD_SOURCE) #if __SSP_FORTIFY_LEVEL == 0 ssize_t readlink(const char * __restrict, char * __restrict, size_t); #endif #endif /* * The Open Group Base Specifications, Issue 6; IEEE Std 1003.1-2001 (POSIX) */ #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 600 || \ defined(_NETBSD_SOURCE) int setegid(gid_t); int seteuid(uid_t); #endif /* * The following three syscalls are also defined in * We protect them against double declarations. */ #ifndef __OFF_T_SYSCALLS_DECLARED #define __OFF_T_SYSCALLS_DECLARED off_t lseek(int, off_t, int); int truncate(const char *, off_t); /* * IEEE Std 1003.1b-93, * also found in X/Open Portability Guide >= Issue 4 Version 2 */ #if (_POSIX_C_SOURCE - 0) >= 199309L || \ (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) int ftruncate(int, off_t); #endif #endif /* __OFF_T_SYSCALLS_DECLARED */ /* * IEEE Std 1003.1b-93, adopted in X/Open CAE Specification Issue 5 Version 2 */ #if (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500 || \ defined(_NETBSD_SOURCE) int fdatasync(int); int fsync(int); #endif /* * IEEE Std 1003.1c-95, also adopted by X/Open CAE Spec Issue 5 Version 2 */ #if (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \ defined(_REENTRANT) || defined(_NETBSD_SOURCE) int ttyname_r(int, char *, size_t); #ifndef __PTHREAD_ATFORK_DECLARED #define __PTHREAD_ATFORK_DECLARED int pthread_atfork(void (*)(void), void (*)(void), void (*)(void)); #endif #endif /* * X/Open Portability Guide, all issues */ #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) int chroot(const char *); int nice(int); #endif /* * X/Open Portability Guide >= Issue 4 */ #if defined(_XOPEN_SOURCE) || defined(_NETBSD_SOURCE) __aconst char *crypt(const char *, const char *); int encrypt(char *, int); char *getpass(const char *); #endif #if defined(_XOPEN_SOURCE) || (_POSIX_C_SOURCE - 0) >= 200809L || \ defined(_NETBSD_SOURCE) pid_t getsid(pid_t); #endif /* * X/Open Portability Guide >= Issue 4 Version 2 */ #if (defined(_XOPEN_SOURCE) && defined(_XOPEN_SOURCE_EXTENDED)) || \ (_XOPEN_SOURCE - 0) >= 500 || defined(_NETBSD_SOURCE) #ifndef _BSD_INTPTR_T_ typedef __intptr_t intptr_t; #define _BSD_INTPTR_T_ #endif #define F_ULOCK 0 #define F_LOCK 1 #define F_TLOCK 2 #define F_TEST 3 int brk(void *); int fchdir(int); #if defined(_XOPEN_SOURCE) int fchown(int, uid_t, gid_t) __RENAME(__posix_fchown); #else int fchown(int, uid_t, gid_t); #endif int getdtablesize(void); long gethostid(void); int gethostname(char *, size_t); __pure int getpagesize(void); /* legacy */ pid_t getpgid(pid_t); #if defined(_XOPEN_SOURCE) int lchown(const char *, uid_t, gid_t) __RENAME(__posix_lchown); #else int lchown(const char *, uid_t, gid_t); #endif int lockf(int, int, off_t); void *sbrk(intptr_t); /* XXX prototype wrong! */ int setpgrp(pid_t, pid_t); /* obsoleted by setpgid() */ int setregid(gid_t, gid_t); int setreuid(uid_t, uid_t); void swab(const void * __restrict, void * __restrict, ssize_t); int symlink(const char *, const char *); void sync(void); useconds_t ualarm(useconds_t, useconds_t); int usleep(useconds_t); #ifndef __LIBC12_SOURCE__ pid_t vfork(void) __RENAME(__vfork14) __returns_twice; #endif #ifndef __AUDIT__ char *getwd(char *); /* obsoleted by getcwd() */ #endif #endif /* _XOPEN_SOURCE_EXTENDED || _XOPEN_SOURCE >= 500 || _NETBSD_SOURCE */ /* * X/Open CAE Specification Issue 5 Version 2 */ #if (_POSIX_C_SOURCE - 0) >= 200112L || (_XOPEN_SOURCE - 0) >= 500 || \ defined(_NETBSD_SOURCE) ssize_t pread(int, void *, size_t, off_t); ssize_t pwrite(int, const void *, size_t, off_t); #endif /* (_POSIX_C_SOURCE - 0) >= 200112L || ... */ /* * X/Open Extended API set 2 (a.k.a. C063) */ #if (_POSIX_C_SOURCE - 0) >= 200809L || (_XOPEN_SOURCE - 0 >= 700) || \ defined(_NETBSD_SOURCE) int linkat(int, const char *, int, const char *, int); int renameat(int, const char *, int, const char *); int faccessat(int, const char *, int, int); int fchownat(int, const char *, uid_t, gid_t, int); ssize_t readlinkat(int, const char *, char *, size_t); int symlinkat(const char *, int, const char *); int unlinkat(int, const char *, int); int fexecve(int, char * const *, char * const *); #endif /* * IEEE Std 1003.1-2024 (POSIX.1-2024) */ #if (_POSIX_C_SOURCE - 0) >= 202405L || (_XOPEN_SOURCE - 0 >= 800) || \ defined(_NETBSD_SOURCE) int getentropy(void *, size_t); #endif /* * Implementation-defined extensions */ #if defined(_NETBSD_SOURCE) int acct(const char *); int closefrom(int); int des_cipher(const char *, char *, long, int); int des_setkey(const char *); int dup3(int, int, int); void endusershell(void); int exect(const char *, char * const *, char * const *); int execvpe(const char *, char * const *, char * const *); int execlpe(const char *, const char *, ...); int fchroot(int); int fdiscard(int, off_t, off_t); int fsync_range(int, int, off_t, off_t); int getdomainname(char *, size_t); int getgrouplist(const char *, gid_t, gid_t *, int *); int getgroupmembership(const char *, gid_t, gid_t *, int, int *); mode_t getmode(const void *, mode_t); char *getpassfd(const char *, char *, size_t, int *, int, int); #define GETPASS_NEED_TTY 0x001 /* Fail if we cannot set tty */ #define GETPASS_FAIL_EOF 0x002 /* Fail on EOF */ #define GETPASS_BUF_LIMIT 0x004 /* beep on buffer limit */ #define GETPASS_NO_SIGNAL 0x008 /* don't make ttychars send signals */ #define GETPASS_NO_BEEP 0x010 /* don't beep */ #define GETPASS_ECHO 0x020 /* echo characters as they are typed */ #define GETPASS_ECHO_STAR 0x040 /* echo '*' for each character */ #define GETPASS_7BIT 0x080 /* mask the high bit each char */ #define GETPASS_FORCE_LOWER 0x100 /* lowercase each char */ #define GETPASS_FORCE_UPPER 0x200 /* uppercase each char */ #define GETPASS_ECHO_NL 0x400 /* echo a newline if successful */ char *getpass_r(const char *, char *, size_t); int getpeereid(int, uid_t *, gid_t *); __aconst char *getusershell(void); int initgroups(const char *, gid_t); int iruserok(uint32_t, int, const char *, const char *); int issetugid(void); long lpathconf(const char *, int); int mkstemps(char *, int); int nfssvc(int, void *); int pipe2(int *, int); int profil(char *, size_t, unsigned long, unsigned int); #ifndef __PSIGNAL_DECLARED #define __PSIGNAL_DECLARED /* also in signal.h */ void psignal(int, const char *); #endif /* __PSIGNAL_DECLARED */ int rcmd(char **, int, const char *, const char *, const char *, int *); int reboot(int, char *); int revoke(const char *); int rresvport(int *); int ruserok(const char *, int, const char *, const char *); int setdomainname(const char *, size_t); int setgroups(int, const gid_t *); int sethostid(long); int sethostname(const char *, size_t); int setlogin(const char *); void *setmode(const char *); int setrgid(gid_t); int setruid(uid_t); void setusershell(void); void strmode(mode_t, char *); #ifndef __STRSIGNAL_DECLARED #define __STRSIGNAL_DECLARED /* backwards-compatibility; also in string.h */ __aconst char *strsignal(int); #endif /* __STRSIGNAL_DECLARED */ int swapctl(int, void *, int); int swapon(const char *); /* obsoleted by swapctl() */ int syscall(int, ...); quad_t __syscall(quad_t, ...); int undelete(const char *); #if 1 /*INET6*/ int rcmd_af(char **, int, const char *, const char *, const char *, int *, int); int rresvport_af(int *, int); int rresvport_af_addr(int *, int, void *); int iruserok_sa(const void *, int, int, const char *, const char *); #endif #ifndef __SYS_SIGLIST_DECLARED #define __SYS_SIGLIST_DECLARED /* also in signal.h */ extern const char *const *sys_siglist __RENAME(__sys_siglist14); #endif /* __SYS_SIGLIST_DECLARED */ extern int optreset; /* getopt(3) external variable */ extern char *suboptarg; /* getsubopt(3) external variable */ #endif __END_DECLS #endif /* !_UNISTD_H_ */