haiku/headers/posix/unistd.h
Axel Dörfler 75cf4c1ea5 New BeOS-like unistd.h file.
All unimplemented functions are commented out for now - but that has to
change, of course.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@665 a95241bf-73f2-0310-859d-f6bbb57e9c96
2002-08-09 16:58:39 +00:00

187 lines
5.3 KiB
C

#ifndef _UNISTD_H_
#define _UNISTD_H_
/*
** Distributed under the terms of the OpenBeOS License.
*/
#include <null.h>
// ToDo: fix ktypes issue...
#include <ktypes.h>
//#include <sys/types.h>
#ifdef __cplusplus
extern "C" {
#endif
/* 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
/* 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 _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)
#define _POSIX_VERSION (199009L)
/* 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
#define _PC_LINK_MAX 25
/* 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
// ToDo: unimplemented functions are commented out
/* file functions */
//extern int access(const char *path, int amode);
//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);
/* mount flags */
#define B_MOUNT_READ_ONLY 1
#define B_MOUNT_VIRTUAL_DEVICE 2
//extern int mount(const char *filesystem, const char *where, const char *device,
// ulong flags, void *parms, int len);
//extern int unmount(const char *path);
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 int system(const char *string);
//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);
extern uint sleep(unsigned int seconds);
extern int usleep(unsigned int microSeconds);
//extern clock_t clock(void);
//extern int pause(void);
/* access permissions */
//extern gid_t getegid(void);
//extern uid_t geteuid(void);
//extern gid_t getgid(void);
//extern int getgroups(int size, gid_t list[]);
//extern pid_t getpgrp(void);
//extern pid_t getpid(void);
//extern pid_t getppid(void);
//extern uid_t getuid(void);
//extern char *cuserid(char *s);
//extern int setgid(gid_t gid);
//extern int setpgid(pid_t pid, pid_t pgid);
//extern pid_t setsid(void);
//extern int setuid(uid_t uid);
//extern char *getlogin(void);
//extern int sethostname(const char *hostName, size_t namelen);
//extern int gethostname(char *hostName, size_t namelen);
/* tty */
//extern int isatty(int fd);
//extern char *ttyname(int fd);
//extern int ttyname_r(int fd, char *buf, size_t buflen);
//extern char *ctermid(char *s);
/* 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_ */