/* * Copyright 2004-2005, Haiku Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #ifndef _UNISTD_H_ #define _UNISTD_H_ #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 /* POSIX version support */ #define _POSIX_VERSION (199009L) /* pathconf() constants */ #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 #define _POSIX_CHOWN_RESTRICTED 9 #define _POSIX_JOB_CONTROL 10 #define _POSIX_NO_TRUNC 11 #define _POSIX_SAVED_IDS 12 #define _POSIX_VDISABLE ((cc_t) - 2) /* sysconf() constants */ #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 /* 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 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 *name, const char *new_name); extern int unlink(const char *name); extern int rmdir(const char *path); extern ssize_t readlink(const char *path, char *buffer, size_t bufferSize); extern int symlink(const char *from, const char *to); 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 int 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 mknod(const char *name, mode_t mode, dev_t dev); extern int getdtablesize(void); extern long sysconf(int name); extern long fpathconf(int fd, int name); extern long pathconf(const char *path, int name); /* process functions */ extern pid_t fork(void); extern int execve(const char *path, char * const argv[], char * const envp[]); 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 exect(const char *path, char *const *argv); extern int execvp(const char *file, char *const *argv); extern void _exit(int status); extern pid_t tcgetpgrp(int fd); extern int tcsetpgrp(int fd, pid_t pgrpid); extern void *sbrk(long incr); extern uint alarm(unsigned int seconds); extern uint ualarm(unsigned int microSeconds, unsigned int interval); extern uint sleep(unsigned int seconds); extern int usleep(unsigned int microSeconds); extern clock_t clock(void); 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 int setpgrp(void); /* access permissions */ extern gid_t getegid(void); extern uid_t geteuid(void); extern gid_t getgid(void); extern int getgroups(int groupSize, gid_t groupList[]); extern uid_t getuid(void); extern int setgid(gid_t gid); extern int setuid(uid_t uid); 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 int getopt(int argc, char *const *argv, const char *shortOpts); /* getopt() related external variables */ extern char *optarg; extern int optind, opterr, optopt; // ToDo: should be moved to stdlib.h extern char **environ; #ifdef __cplusplus } #endif #endif /* _UNISTD_H_ */