/* * Copyright 2004-2015 Haiku, Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _UNISTD_H_ #define _UNISTD_H_ #include #include #include /* access modes */ #define R_OK 4 #define W_OK 2 #define X_OK 1 #define F_OK 0 /* standard file descriptors */ #define STDIN_FILENO 0 #define STDOUT_FILENO 1 #define STDERR_FILENO 2 /* function arguments needed by lockf() */ #define F_ULOCK 0 /* unlock locked sections */ #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 processes */ /* POSIX version support */ #define _POSIX_VERSION (199009L) /* TODO: Update! */ #define _POSIX_CHOWN_RESTRICTED 1 #define _POSIX_JOB_CONTROL 1 #define _POSIX_NO_TRUNC 0 #define _POSIX_SAVED_IDS 1 #define _POSIX_VDISABLE ((unsigned char)-2) /* TODO: Check this! */ /* TODO: Update these to the current POSIX version! Ideally after actually supporting the features. */ #define _POSIX_BARRIERS (200112L) #define _POSIX_SEMAPHORES (200112L) #define _POSIX_THREADS (200112L) #define _POSIX_MAPPED_FILES (200809L) #define _POSIX_THREAD_PROCESS_SHARED (200809L) #define _POSIX_THREAD_ATTR_STACKADDR (200809L) #define _POSIX_THREAD_ATTR_STACKSIZE (200809L) #define _POSIX_THREAD_PRIORITY_SCHEDULING (-1) /* currently unsupported */ #define _POSIX_REALTIME_SIGNALS (200809L) #define _POSIX_MEMORY_PROTECTION (200809L) #define _POSIX_MONOTONIC_CLOCK (200809L) #define _POSIX_TIMERS (200809L) #define _POSIX_CPUTIME (200809L) #define _POSIX_THREAD_CPUTIME (200809L) /* pathconf() constants */ /* BeOS supported values, do not touch */ #define _PC_CHOWN_RESTRICTED 1 #define _PC_MAX_CANON 2 #define _PC_MAX_INPUT 3 #define _PC_NAME_MAX 4 #define _PC_NO_TRUNC 5 #define _PC_PATH_MAX 6 #define _PC_PIPE_BUF 7 #define _PC_VDISABLE 8 #define _PC_LINK_MAX 25 /* new values */ #define _PC_SYNC_IO 26 #define _PC_ASYNC_IO 27 #define _PC_PRIO_IO 28 #define _PC_SOCK_MAXBUF 29 #define _PC_FILESIZEBITS 30 #define _PC_REC_INCR_XFER_SIZE 31 #define _PC_REC_MAX_XFER_SIZE 32 #define _PC_REC_MIN_XFER_SIZE 33 #define _PC_REC_XFER_ALIGN 34 #define _PC_ALLOC_SIZE_MIN 35 #define _PC_SYMLINK_MAX 36 #define _PC_2_SYMLINKS 37 #define _PC_XATTR_EXISTS 38 #define _PC_XATTR_ENABLED 39 /* sysconf() constants */ /* BeOS supported values, do not touch */ #define _SC_ARG_MAX 15 #define _SC_CHILD_MAX 16 #define _SC_CLK_TCK 17 #define _SC_JOB_CONTROL 18 #define _SC_NGROUPS_MAX 19 #define _SC_OPEN_MAX 20 #define _SC_SAVED_IDS 21 #define _SC_STREAM_MAX 22 #define _SC_TZNAME_MAX 23 #define _SC_VERSION 24 /* new values */ #define _SC_GETGR_R_SIZE_MAX 25 #define _SC_GETPW_R_SIZE_MAX 26 #define _SC_PAGE_SIZE 27 #define _SC_PAGESIZE _SC_PAGE_SIZE #define _SC_SEM_NSEMS_MAX 28 #define _SC_SEM_VALUE_MAX 29 #define _SC_SEMAPHORES 30 #define _SC_THREADS 31 /* TODO: check */ #define _SC_IOV_MAX 32 #define _SC_UIO_MAXIOV _SC_IOV_MAX #define _SC_NPROCESSORS_CONF 34 #define _SC_NPROCESSORS_ONLN 35 #define _SC_ATEXIT_MAX 37 #define _SC_PASS_MAX 39 #define _SC_PHYS_PAGES 40 #define _SC_AVPHYS_PAGES 41 #define _SC_PIPE 42 #define _SC_SELECT 43 #define _SC_POLL 44 #define _SC_MAPPED_FILES 45 #define _SC_THREAD_PROCESS_SHARED 46 #define _SC_THREAD_STACK_MIN 47 #define _SC_THREAD_ATTR_STACKADDR 48 #define _SC_THREAD_ATTR_STACKSIZE 49 #define _SC_THREAD_PRIORITY_SCHEDULING 50 #define _SC_REALTIME_SIGNALS 51 #define _SC_MEMORY_PROTECTION 52 #define _SC_SIGQUEUE_MAX 53 #define _SC_RTSIG_MAX 54 #define _SC_MONOTONIC_CLOCK 55 #define _SC_DELAYTIMER_MAX 56 #define _SC_TIMER_MAX 57 #define _SC_TIMERS 58 #define _SC_CPUTIME 59 #define _SC_THREAD_CPUTIME 60 /* confstr() constants */ #define _CS_PATH 1 /* lseek() constants */ #ifndef SEEK_SET # define SEEK_SET 0 #endif #ifndef SEEK_CUR # define SEEK_CUR 1 #endif #ifndef SEEK_END # define SEEK_END 2 #endif #ifdef __cplusplus extern "C" { #endif /* file functions */ extern int access(const char *path, int accessMode); extern int faccessat(int fd, const char *path, int accessMode, int flag); extern int chdir(const char *path); extern int fchdir(int fd); extern char *getcwd(char *buffer, size_t size); extern int pipe(int fildes[2]); extern int dup(int fd); extern int dup2(int fd1, int fd2); extern int close(int fd); extern int link(const char *toPath, const char *path); extern int linkat(int toFD, const char *toPath, int pathFD, const char *path, int flag); extern int unlink(const char *name); extern int unlinkat(int fd, const char *path, int flag); extern int rmdir(const char *path); extern ssize_t readlink(const char *path, char *buffer, size_t bufferSize); extern ssize_t readlinkat(int fd, const char *path, char *buffer, size_t bufferSize); extern int symlink(const char *toPath, const char *symlinkPath); extern int symlinkat(const char *toPath, int fd, const char *symlinkPath); extern int ftruncate(int fd, off_t newSize); extern int truncate(const char *path, off_t newSize); extern int ioctl(int fd, unsigned long op, ...); extern ssize_t read(int fd, void *buffer, size_t count); extern ssize_t read_pos(int fd, off_t pos, void *buffer, size_t count); extern ssize_t pread(int fd, void *buffer, size_t count, off_t pos); extern ssize_t write(int fd, const void *buffer, size_t count); extern ssize_t write_pos(int fd, off_t pos, const void *buffer,size_t count); extern ssize_t pwrite(int fd, const void *buffer, size_t count, off_t pos); extern off_t lseek(int fd, off_t offset, int whence); extern void sync(void); extern int fsync(int fd); extern int chown(const char *path, uid_t owner, gid_t group); extern int fchown(int fd, uid_t owner, gid_t group); extern int lchown(const char *path, uid_t owner, gid_t group); extern int fchownat(int fd, const char *path, uid_t owner, gid_t group, int flag); extern int getpagesize(void); extern int getdtablesize(void); extern long sysconf(int name); extern long fpathconf(int fd, int name); extern long pathconf(const char *path, int name); extern size_t confstr(int name, char *buf, size_t len); extern int lockf(int fd, int function, off_t size); /* process functions */ extern pid_t fork(void); extern pid_t vfork(void); extern int execve(const char *path, char * const argv[], char *const environment[]); extern int execl(const char *path, const char *arg, ...); extern int execv(const char *path, char *const argv[]); extern int execlp(const char *file, const char *arg, ...); extern int execle(const char *path, const char *arg , ... /*, char **envp */); extern int execvp(const char *file, char *const argv[]); extern int execvpe(const char *file, char *const argv[], char *const environment[]); extern void _exit(int status) __attribute__ ((noreturn)); extern pid_t tcgetpgrp(int fd); extern int tcsetpgrp(int fd, pid_t pgrpid); extern int brk(void *addr); extern void *sbrk(intptr_t increment); extern unsigned int alarm(unsigned int seconds); extern useconds_t ualarm(useconds_t microSeconds, useconds_t interval); extern unsigned int sleep(unsigned int seconds); extern int usleep(unsigned int microSeconds); extern int pause(void); /* process */ extern pid_t getpid(void); extern pid_t getpgrp(void); extern pid_t getppid(void); extern pid_t getsid(pid_t pid); extern pid_t getpgid(pid_t pid); extern pid_t setsid(void); extern int setpgid(pid_t pid, pid_t pgid); extern pid_t setpgrp(void); extern int chroot(const char *path); extern int nice(int incr); /* access permissions */ extern gid_t getegid(void); extern uid_t geteuid(void); extern gid_t getgid(void); extern uid_t getuid(void); extern int setgid(gid_t gid); extern int setuid(uid_t uid); extern int setegid(gid_t gid); extern int seteuid(uid_t uid); extern int setregid(gid_t rgid, gid_t egid); extern int setreuid(uid_t ruid, uid_t euid); extern int getgrouplist(const char* user, gid_t baseGroup, gid_t* groupList, int* groupCount); extern int getgroups(int groupCount, gid_t groupList[]); extern int initgroups(const char* user, gid_t baseGroup); extern int setgroups(int groupCount, const gid_t* groupList); extern char *getlogin(void); extern int getlogin_r(char *name, size_t nameSize); /* host name */ extern int sethostname(const char *hostName, size_t nameSize); extern int gethostname(char *hostName, size_t nameSize); /* tty */ extern int isatty(int fd); extern char *ttyname(int fd); extern int ttyname_r(int fd, char *buffer, size_t bufferSize); /* misc */ extern char *crypt(const char *key, const char *salt); extern void encrypt(char block[64], int edflag); extern int getopt(int argc, char *const *argv, const char *shortOpts); extern void swab(const void *src, void *dest, ssize_t nbytes); /* getopt() related external variables */ extern char *optarg; extern int optind, opterr, optopt; #ifdef __cplusplus } #endif #endif /* _UNISTD_H_ */