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
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Axel Dörfler
parent
d7dd1c2ac2
commit
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186
headers/posix/unistd.h
Normal file
186
headers/posix/unistd.h
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@ -0,0 +1,186 @@
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#ifndef _UNISTD_H_
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#define _UNISTD_H_
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/*
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** Distributed under the terms of the OpenBeOS License.
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*/
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#include <null.h>
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// ToDo: fix ktypes issue...
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#include <ktypes.h>
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//#include <sys/types.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* access modes */
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#define R_OK 4
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#define W_OK 2
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#define X_OK 1
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#define F_OK 0
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/* standard file descriptors */
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#define STDIN_FILENO 0
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#define STDOUT_FILENO 1
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#define STDERR_FILENO 2
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/* pathconf() constants */
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#define _PC_CHOWN_RESTRICTED 1
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#define _PC_MAX_CANON 2
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#define _PC_MAX_INPUT 3
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#define _PC_NAME_MAX 4
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#define _PC_NO_TRUNC 5
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#define _PC_PATH_MAX 6
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#define _PC_PIPE_BUF 7
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#define _PC_VDISABLE 8
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#define _POSIX_CHOWN_RESTRICTED 9
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#define _POSIX_JOB_CONTROL 10
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#define _POSIX_NO_TRUNC 11
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#define _POSIX_SAVED_IDS 12
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#define _POSIX_VDISABLE ((cc_t) - 2)
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#define _POSIX_VERSION (199009L)
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/* sysconf() constants */
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#define _SC_ARG_MAX 15
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#define _SC_CHILD_MAX 16
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#define _SC_CLK_TCK 17
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#define _SC_JOB_CONTROL 18
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#define _SC_NGROUPS_MAX 19
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#define _SC_OPEN_MAX 20
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#define _SC_SAVED_IDS 21
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#define _SC_STREAM_MAX 22
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#define _SC_TZNAME_MAX 23
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#define _SC_VERSION 24
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#define _PC_LINK_MAX 25
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/* lseek() constants */
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#ifndef SEEK_SET
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# define SEEK_SET 0
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#endif
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#ifndef SEEK_CUR
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# define SEEK_CUR 1
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#endif
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#ifndef SEEK_END
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# define SEEK_END 2
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#endif
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// ToDo: unimplemented functions are commented out
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/* file functions */
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//extern int access(const char *path, int amode);
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//extern int chdir(const char *path);
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//extern int fchdir(int fd);
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//extern char *getcwd(char *buffer, size_t size);
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//extern int pipe(int fildes[2]);
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extern int dup(int fd);
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extern int dup2(int fd1, int fd2);
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extern int close(int fd);
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//extern int link(const char *name, const char *new_name);
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//extern int unlink(const char *name);
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//extern int rmdir(const char *path);
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extern ssize_t readlink(const char *path, char *buffer, size_t bufferSize);
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extern int symlink(const char *from, const char *to);
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//extern int ftruncate(int fd, off_t newsize);
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//extern int truncate(const char *path, off_t newsize);
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extern int ioctl(int fd, unsigned long op, ...);
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extern ssize_t read(int fd, void *buffer, size_t count);
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extern ssize_t read_pos(int fd, off_t pos, void *buffer, size_t count);
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extern ssize_t pread(int fd, void *buffer, size_t count, off_t pos);
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extern ssize_t write(int fd, const void *buffer, size_t count);
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extern ssize_t write_pos(int fd, off_t pos, const void *buffer,size_t count);
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extern ssize_t pwrite(int fd, const void *buffer, size_t count, off_t pos);
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extern off_t lseek(int fd, off_t offset, int whence);
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//extern int sync(void);
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//extern int fsync(int fd);
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//extern int chown(const char *path, uid_t owner, gid_t group);
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//extern int fchown(int fd, uid_t owner, gid_t group);
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//extern int lchown(const char *path, uid_t owner, gid_t group);
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//extern int mknod(const char *name, mode_t mode, dev_t dev);
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/* mount flags */
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#define B_MOUNT_READ_ONLY 1
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#define B_MOUNT_VIRTUAL_DEVICE 2
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//extern int mount(const char *filesystem, const char *where, const char *device,
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// ulong flags, void *parms, int len);
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//extern int unmount(const char *path);
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extern int getdtablesize(void);
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//extern long sysconf(int name);
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//extern long fpathconf(int fd, int name);
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//extern long pathconf(const char *path, int name);
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/* process functions */
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//extern pid_t fork(void);
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//extern int execve(const char *path, char * const argv[], char * const envp[]);
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//extern int execl(const char *path, const char *arg, ...);
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//extern int execv(const char *path, char *const *argv);
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//extern int execlp(const char *file, const char *arg, ...);
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//extern int execle(const char *path, const char *arg , ... /*, char **envp */);
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//extern int exect(const char *path, char *const *argv);
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//extern int execvp(const char *file, char *const *argv);
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//extern void _exit(int status);
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//extern int system(const char *string);
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//extern pid_t tcgetpgrp(int fd);
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//extern int tcsetpgrp(int fd, pid_t pgrpid);
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//extern void *sbrk(long incr);
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//extern uint alarm(unsigned int seconds);
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//extern uint ualarm(unsigned int microSeconds);
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extern uint sleep(unsigned int seconds);
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extern int usleep(unsigned int microSeconds);
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//extern clock_t clock(void);
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//extern int pause(void);
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/* access permissions */
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//extern gid_t getegid(void);
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//extern uid_t geteuid(void);
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//extern gid_t getgid(void);
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//extern int getgroups(int size, gid_t list[]);
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//extern pid_t getpgrp(void);
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//extern pid_t getpid(void);
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//extern pid_t getppid(void);
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//extern uid_t getuid(void);
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//extern char *cuserid(char *s);
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//extern int setgid(gid_t gid);
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//extern int setpgid(pid_t pid, pid_t pgid);
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//extern pid_t setsid(void);
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//extern int setuid(uid_t uid);
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//extern char *getlogin(void);
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//extern int sethostname(const char *hostName, size_t namelen);
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//extern int gethostname(char *hostName, size_t namelen);
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/* tty */
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//extern int isatty(int fd);
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//extern char *ttyname(int fd);
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//extern int ttyname_r(int fd, char *buf, size_t buflen);
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//extern char *ctermid(char *s);
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/* misc */
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//extern char *crypt(const char *key, const char *salt);
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extern int getopt(int argc, char *const *argv, const char *shortopts);
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/* getopt() related external variables */
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extern char *optarg;
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extern int optind, opterr, optopt;
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// ToDo: should be moved to stdlib.h
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extern char **environ;
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#ifdef __cplusplus
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}
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#endif
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#endif /* _UNISTD_H_ */
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