/* $OpenBSD: unistd.h,v 1.97 2014/12/13 20:42:41 tedu Exp $ */ /* $NetBSD: unistd.h,v 1.26.4.1 1996/05/28 02:31:51 mrg Exp $ */ /*- * Copyright (c) 1991 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 5.13 (Berkeley) 6/17/91 */ #ifndef _UNISTD_H_ #define _UNISTD_H_ #include #include #define STDIN_FILENO 0 /* standard input file descriptor */ #define STDOUT_FILENO 1 /* standard output file descriptor */ #define STDERR_FILENO 2 /* standard error file descriptor */ #if __XPG_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 /* * POSIX options and option groups we unconditionally do or don't * implement. Please keep this list in alphabetical order. * * Anything which is defined as zero below **must** have an * implementation for the corresponding sysconf() which is able to * determine conclusively whether or not the feature is supported. * Anything which is defined as other than -1 below **must** have * complete headers, types, and function declarations as specified by * the POSIX standard; however, if the relevant sysconf() function * returns -1, the functions may be stubbed out. */ #define _POSIX_ADVISORY_INFO (-1) #define _POSIX_ASYNCHRONOUS_IO (-1) #define _POSIX_BARRIERS 200112L #define _POSIX_CHOWN_RESTRICTED 1 #define _POSIX_CLOCK_SELECTION (-1) #define _POSIX_CPUTIME 200809L #define _POSIX_FSYNC 200112L #define _POSIX_IPV6 0 #define _POSIX_JOB_CONTROL 1 #define _POSIX_MAPPED_FILES 200112L #define _POSIX_MEMLOCK 200112L #define _POSIX_MEMLOCK_RANGE 200112L #define _POSIX_MEMORY_PROTECTION 200112L #define _POSIX_MESSAGE_PASSING (-1) #define _POSIX_MONOTONIC_CLOCK 200112L #define _POSIX_NO_TRUNC 1 #define _POSIX_PRIORITIZED_IO (-1) #define _POSIX_PRIORITY_SCHEDULING (-1) #define _POSIX_RAW_SOCKETS 200112L #define _POSIX_READER_WRITER_LOCKS 200112L #define _POSIX_REALTIME_SIGNALS (-1) #define _POSIX_REGEXP 1 #define _POSIX_SAVED_IDS 1 #define _POSIX_SEMAPHORES 200112L #define _POSIX_SHARED_MEMORY_OBJECTS 200809L #define _POSIX_SHELL 1 #define _POSIX_SPAWN 200112L #define _POSIX_SPIN_LOCKS 200112L #define _POSIX_SPORADIC_SERVER (-1) #define _POSIX_SYNCHRONIZED_IO (-1) #define _POSIX_THREAD_ATTR_STACKADDR 200112L #define _POSIX_THREAD_ATTR_STACKSIZE 200112L #define _POSIX_THREAD_CPUTIME 200809L #define _POSIX_THREAD_PRIO_INHERIT (-1) #define _POSIX_THREAD_PRIO_PROTECT (-1) #define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) #define _POSIX_THREAD_PROCESS_SHARED (-1) #define _POSIX_THREAD_ROBUST_PRIO_INHERIT (-1) #define _POSIX_THREAD_ROBUST_PRIO_PROTECT (-1) #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L #define _POSIX_THREAD_SPORADIC_SERVER (-1) #define _POSIX_THREADS 200112L #define _POSIX_TIMEOUTS 200112L #define _POSIX_TIMERS (-1) #define _POSIX_TRACE (-1) #define _POSIX_TRACE_EVENT_FILTER (-1) #define _POSIX_TRACE_INHERIT (-1) #define _POSIX_TRACE_LOG (-1) #define _POSIX_TYPED_MEMORY_OBJECTS (-1) #define _POSIX2_C_BIND 200112L #define _POSIX2_C_DEV (-1) /* need C99 utility */ #define _POSIX2_CHAR_TERM 1 #define _POSIX2_FORT_DEV (-1) /* need fort77 utility */ #define _POSIX2_FORT_RUN (-1) /* need asa utility */ #define _POSIX2_LOCALEDEF (-1) #define _POSIX2_PBS (-1) #define _POSIX2_PBS_ACCOUNTING (-1) #define _POSIX2_PBS_CHECKPOINT (-1) #define _POSIX2_PBS_LOCATE (-1) #define _POSIX2_PBS_MESSAGE (-1) #define _POSIX2_PBS_TRACK (-1) #define _POSIX2_SW_DEV 200112L #define _POSIX2_UPE 200112L #define _POSIX_V6_ILP32_OFF32 (-1) #define _POSIX_V6_ILP32_OFFBIG 0 #define _POSIX_V6_LP64_OFF64 0 #define _POSIX_V6_LPBIG_OFFBIG 0 #define _POSIX_V7_ILP32_OFF32 (-1) #define _POSIX_V7_ILP32_OFFBIG 0 #define _POSIX_V7_LP64_OFF64 0 #define _POSIX_V7_LPBIG_OFFBIG 0 #define _XOPEN_CRYPT 1 #define _XOPEN_ENH_I18N (-1) /* mandatory in XSI */ #define _XOPEN_LEGACY (-1) #define _XOPEN_REALTIME (-1) #define _XOPEN_REALTIME_THREADS (-1) #define _XOPEN_SHM 1 #define _XOPEN_STREAMS (-1) #define _XOPEN_UUCP (-1) #define _XOPEN_UNIX (-1) /* Define the POSIX.2 version we target for compliance. */ #define _POSIX2_VERSION 200809L /* the sysconf(3) variable values are part of the ABI */ /* configurable system variables */ #define _SC_ARG_MAX 1 #define _SC_CHILD_MAX 2 #define _SC_CLK_TCK 3 #define _SC_NGROUPS_MAX 4 #define _SC_OPEN_MAX 5 #define _SC_JOB_CONTROL 6 #define _SC_SAVED_IDS 7 #define _SC_VERSION 8 #define _SC_BC_BASE_MAX 9 #define _SC_BC_DIM_MAX 10 #define _SC_BC_SCALE_MAX 11 #define _SC_BC_STRING_MAX 12 #define _SC_COLL_WEIGHTS_MAX 13 #define _SC_EXPR_NEST_MAX 14 #define _SC_LINE_MAX 15 #define _SC_RE_DUP_MAX 16 #define _SC_2_VERSION 17 #define _SC_2_C_BIND 18 #define _SC_2_C_DEV 19 #define _SC_2_CHAR_TERM 20 #define _SC_2_FORT_DEV 21 #define _SC_2_FORT_RUN 22 #define _SC_2_LOCALEDEF 23 #define _SC_2_SW_DEV 24 #define _SC_2_UPE 25 #define _SC_STREAM_MAX 26 #define _SC_TZNAME_MAX 27 #define _SC_PAGESIZE 28 #define _SC_PAGE_SIZE _SC_PAGESIZE /* 1170 compatibility */ #define _SC_FSYNC 29 #define _SC_XOPEN_SHM 30 #define _SC_SEM_NSEMS_MAX 31 #define _SC_SEM_VALUE_MAX 32 #define _SC_HOST_NAME_MAX 33 #define _SC_MONOTONIC_CLOCK 34 #define _SC_2_PBS 35 #define _SC_2_PBS_ACCOUNTING 36 #define _SC_2_PBS_CHECKPOINT 37 #define _SC_2_PBS_LOCATE 38 #define _SC_2_PBS_MESSAGE 39 #define _SC_2_PBS_TRACK 40 #define _SC_ADVISORY_INFO 41 #define _SC_AIO_LISTIO_MAX 42 #define _SC_AIO_MAX 43 #define _SC_AIO_PRIO_DELTA_MAX 44 #define _SC_ASYNCHRONOUS_IO 45 #define _SC_ATEXIT_MAX 46 #define _SC_BARRIERS 47 #define _SC_CLOCK_SELECTION 48 #define _SC_CPUTIME 49 #define _SC_DELAYTIMER_MAX 50 #define _SC_IOV_MAX 51 #define _SC_IPV6 52 #define _SC_MAPPED_FILES 53 #define _SC_MEMLOCK 54 #define _SC_MEMLOCK_RANGE 55 #define _SC_MEMORY_PROTECTION 56 #define _SC_MESSAGE_PASSING 57 #define _SC_MQ_OPEN_MAX 58 #define _SC_MQ_PRIO_MAX 59 #define _SC_PRIORITIZED_IO 60 #define _SC_PRIORITY_SCHEDULING 61 #define _SC_RAW_SOCKETS 62 #define _SC_READER_WRITER_LOCKS 63 #define _SC_REALTIME_SIGNALS 64 #define _SC_REGEXP 65 #define _SC_RTSIG_MAX 66 #define _SC_SEMAPHORES 67 #define _SC_SHARED_MEMORY_OBJECTS 68 #define _SC_SHELL 69 #define _SC_SIGQUEUE_MAX 70 #define _SC_SPAWN 71 #define _SC_SPIN_LOCKS 72 #define _SC_SPORADIC_SERVER 73 #define _SC_SS_REPL_MAX 74 #define _SC_SYNCHRONIZED_IO 75 #define _SC_SYMLOOP_MAX 76 #define _SC_THREAD_ATTR_STACKADDR 77 #define _SC_THREAD_ATTR_STACKSIZE 78 #define _SC_THREAD_CPUTIME 79 #define _SC_THREAD_DESTRUCTOR_ITERATIONS 80 #define _SC_THREAD_KEYS_MAX 81 #define _SC_THREAD_PRIO_INHERIT 82 #define _SC_THREAD_PRIO_PROTECT 83 #define _SC_THREAD_PRIORITY_SCHEDULING 84 #define _SC_THREAD_PROCESS_SHARED 85 #define _SC_THREAD_ROBUST_PRIO_INHERIT 86 #define _SC_THREAD_ROBUST_PRIO_PROTECT 87 #define _SC_THREAD_SPORADIC_SERVER 88 #define _SC_THREAD_STACK_MIN 89 #define _SC_THREAD_THREADS_MAX 90 #define _SC_THREADS 91 #define _SC_TIMEOUTS 92 #define _SC_TIMER_MAX 93 #define _SC_TIMERS 94 #define _SC_TRACE 95 #define _SC_TRACE_EVENT_FILTER 96 #define _SC_TRACE_EVENT_NAME_MAX 97 #define _SC_TRACE_INHERIT 98 #define _SC_TRACE_LOG 99 #define _SC_GETGR_R_SIZE_MAX 100 #define _SC_GETPW_R_SIZE_MAX 101 #define _SC_LOGIN_NAME_MAX 102 #define _SC_THREAD_SAFE_FUNCTIONS 103 #define _SC_TRACE_NAME_MAX 104 #define _SC_TRACE_SYS_MAX 105 #define _SC_TRACE_USER_EVENT_MAX 106 #define _SC_TTY_NAME_MAX 107 #define _SC_TYPED_MEMORY_OBJECTS 108 #define _SC_V6_ILP32_OFF32 109 #define _SC_V6_ILP32_OFFBIG 110 #define _SC_V6_LP64_OFF64 111 #define _SC_V6_LPBIG_OFFBIG 112 #define _SC_V7_ILP32_OFF32 113 #define _SC_V7_ILP32_OFFBIG 114 #define _SC_V7_LP64_OFF64 115 #define _SC_V7_LPBIG_OFFBIG 116 #define _SC_XOPEN_CRYPT 117 #define _SC_XOPEN_ENH_I18N 118 #define _SC_XOPEN_LEGACY 119 #define _SC_XOPEN_REALTIME 120 #define _SC_XOPEN_REALTIME_THREADS 121 #define _SC_XOPEN_STREAMS 122 #define _SC_XOPEN_UNIX 123 #define _SC_XOPEN_UUCP 124 #define _SC_XOPEN_VERSION 125 #define _SC_PHYS_PAGES 500 #define _SC_AVPHYS_PAGES 501 #define _SC_NPROCESSORS_CONF 502 #define _SC_NPROCESSORS_ONLN 503 /* configurable system strings */ #define _CS_PATH 1 #define _CS_POSIX_V6_ILP32_OFF32_CFLAGS 2 #define _CS_POSIX_V6_ILP32_OFF32_LDFLAGS 3 #define _CS_POSIX_V6_ILP32_OFF32_LIBS 4 #define _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS 5 #define _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS 6 #define _CS_POSIX_V6_ILP32_OFFBIG_LIBS 7 #define _CS_POSIX_V6_LP64_OFF64_CFLAGS 8 #define _CS_POSIX_V6_LP64_OFF64_LDFLAGS 9 #define _CS_POSIX_V6_LP64_OFF64_LIBS 10 #define _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS 11 #define _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS 12 #define _CS_POSIX_V6_LPBIG_OFFBIG_LIBS 13 #define _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS 14 #define _CS_V6_ENV 15 #define _CS_POSIX_V7_ILP32_OFF32_CFLAGS 16 #define _CS_POSIX_V7_ILP32_OFF32_LDFLAGS 17 #define _CS_POSIX_V7_ILP32_OFF32_LIBS 18 #define _CS_POSIX_V7_ILP32_OFFBIG_CFLAGS 19 #define _CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS 20 #define _CS_POSIX_V7_ILP32_OFFBIG_LIBS 21 #define _CS_POSIX_V7_LP64_OFF64_CFLAGS 22 #define _CS_POSIX_V7_LP64_OFF64_LDFLAGS 23 #define _CS_POSIX_V7_LP64_OFF64_LIBS 24 #define _CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS 25 #define _CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS 26 #define _CS_POSIX_V7_LPBIG_OFFBIG_LIBS 27 #define _CS_POSIX_V7_THREADS_CFLAGS 28 #define _CS_POSIX_V7_THREADS_LDFLAGS 29 #define _CS_POSIX_V7_WIDTH_RESTRICTED_ENVS 30 #define _CS_V7_ENV 31 #ifndef NULL #ifdef __GNUG__ #define NULL __null #elif defined(__cplusplus) #define NULL 0L #else #define NULL ((void *)0) #endif #endif #ifndef _INTPTR_T_DEFINED_ #define _INTPTR_T_DEFINED_ typedef __intptr_t intptr_t; #endif __BEGIN_DECLS __dead void _exit(int); 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 execl(const char *, const char *, ...) __attribute__((__sentinel__)); int execle(const char *, const char *, ...); int execlp(const char *, const char *, ...) __attribute__((__sentinel__)); int execv(const char *, char *const *); int execve(const char *, char *const *, char *const *); int execvp(const char *, char *const *); #if __BSD_VISIBLE int execvpe(const char *, char *const *, char *const *); #endif pid_t fork(void); long fpathconf(int, int); char *getcwd(char *, size_t) __attribute__((__bounded__(__string__,1,2))); 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 *); off_t lseek(int, off_t, int); long pathconf(const char *, int); int pause(void); int pipe(int *); ssize_t read(int, void *, size_t) __attribute__((__bounded__(__buffer__,2,3))); int rmdir(const char *); int setgid(gid_t); 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) __attribute__((__bounded__(__buffer__,2,3))); #if __POSIX_VISIBLE || __XPG_VISIBLE >= 300 pid_t setsid(void); int setpgid(pid_t, pid_t); #endif #if __POSIX_VISIBLE >= 199209 || __XPG_VISIBLE size_t confstr(int, char *, size_t) __attribute__((__bounded__(__string__,2,3))); #ifndef _GETOPT_DEFINED_ #define _GETOPT_DEFINED_ int getopt(int, char * const *, const char *); extern char *optarg; /* getopt(3) external variables */ extern int opterr, optind, optopt, optreset; #endif /* _GETOPT_DEFINED_ */ #endif #if __POSIX_VISIBLE >= 199506 || __XPG_VISIBLE int fsync(int); int ftruncate(int, off_t); int getlogin_r(char *, size_t) __attribute__((__bounded__(__string__,1,2))); ssize_t readlink(const char * __restrict, char * __restrict, size_t) __attribute__ ((__bounded__(__string__,2,3))); #endif #if __POSIX_VISIBLE >= 199506 int fdatasync(int); #endif #if __XPG_VISIBLE || __BSD_VISIBLE char *crypt(const char *, const char *); int fchdir(int); int fchown(int, uid_t, gid_t); long gethostid(void); char *getwd(char *) __attribute__ ((__bounded__(__minbytes__,1,1024))); int lchown(const char *, uid_t, gid_t); int mkstemp(char *); char *mktemp(char *); int nice(int); int setregid(gid_t, gid_t); int setreuid(uid_t, uid_t); void swab(const void *__restrict, void *__restrict, ssize_t); void sync(void); int truncate(const char *, off_t); useconds_t ualarm(useconds_t, useconds_t); int usleep(useconds_t); pid_t vfork(void); #endif #if __POSIX_VISIBLE >= 200809 || __XPG_VISIBLE >= 420 pid_t getpgid(pid_t); pid_t getsid(pid_t); #endif #if __XPG_VISIBLE >= 500 ssize_t pread(int, void *, size_t, off_t) __attribute__((__bounded__(__buffer__,2,3))); ssize_t pwrite(int, const void *, size_t, off_t) __attribute__((__bounded__(__buffer__,2,3))); int ttyname_r(int, char *, size_t) __attribute__((__bounded__(__string__,2,3))); #endif #if __BSD_VISIBLE || __XPG_VISIBLE <= 500 /* Interfaces withdrawn by X/Open Issue 5 Version 0 */ int brk(void *); int chroot(const char *); int getdtablesize(void); int getpagesize(void); char *getpass(const char *); void *sbrk(int); #endif #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 int lockf(int, int, off_t); #endif #if __POSIX_VISIBLE >= 200112 || __XPG_VISIBLE >= 420 || __BSD_VISIBLE int symlink(const char *, const char *); int gethostname(char *, size_t) __attribute__ ((__bounded__(__string__,1,2))); int setegid(gid_t); int seteuid(uid_t); #endif #if __POSIX_VISIBLE >= 200809 int faccessat(int, const char *, int, int); int fchownat(int, const char *, uid_t, gid_t, int); int linkat(int, const char *, int, const char *, int); ssize_t readlinkat(int, const char *, char *, size_t) __attribute__ ((__bounded__(__string__,3,4))); int symlinkat(const char *, int, const char *); int unlinkat(int, const char *, int); #endif #if __BSD_VISIBLE int dup3(int, int, int); int pipe2(int [2], int); #endif #if __BSD_VISIBLE int acct(const char *); int closefrom(int); int crypt_checkpass(const char *, const char *); int crypt_newhash(const char *, const char *, char *, size_t); void endusershell(void); int exect(const char *, char * const *, char * const *); char *fflagstostr(u_int32_t); int getdomainname(char *, size_t) __attribute__ ((__bounded__(__string__,1,2))); int getdtablecount(void); int getgrouplist(const char *, gid_t, gid_t *, int *); mode_t getmode(const void *, mode_t); int getresgid(gid_t *, gid_t *, gid_t *); int getresuid(uid_t *, uid_t *, uid_t *); pid_t getthrid(void); char *getusershell(void); int initgroups(const char *, gid_t); int iruserok(u_int32_t, int, const char *, const char *); int iruserok_sa(const void *, int, int, const char *, const char *); int issetugid(void); char *mkdtemp(char *); int mkstemps(char *, int); int nfssvc(int, void *); int profil(char *, size_t, unsigned long, unsigned int) __attribute__ ((__bounded__(__string__,1,2))); int quotactl(const char *, int, int, char *); 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 *, char *); int reboot(int); int revoke(const char *); int rresvport(int *); int rresvport_af(int *, int); int ruserok(const char *, int, const char *, const char *); #ifndef _SELECT_DEFINED_ #define _SELECT_DEFINED_ struct timeval; int select(int, fd_set *, fd_set *, fd_set *, struct timeval *); #endif 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 setpgrp(pid_t _pid, pid_t _pgrp); /* BSD compat version */ int setresgid(gid_t, gid_t, gid_t); int setresuid(uid_t, uid_t, uid_t); void setusershell(void); int strtofflags(char **, u_int32_t *, u_int32_t *); int swapctl(int cmd, const void *arg, int misc); int syscall(int, ...); int getentropy(void *, size_t); pid_t __tfork_thread(const struct __tfork *, size_t, void (*)(void *), void *); #endif /* __BSD_VISIBLE */ __END_DECLS #endif /* !_UNISTD_H_ */