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56 lines
1.3 KiB
56 lines
1.3 KiB
3 years ago
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#ifndef _FCNTL_H
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#define _FCNTL_H
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#include <sys/types.h>
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/* open/fcntl - NOCTTY, NDELAY isn't implemented yet */
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#define O_ACCMODE 00003
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#define O_RDONLY 00
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#define O_WRONLY 01
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#define O_RDWR 02
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#define O_CREAT 00100 /* not fcntl */
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#define O_EXCL 00200 /* not fcntl */
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#define O_NOCTTY 00400 /* not fcntl */
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#define O_TRUNC 01000 /* not fcntl */
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#define O_APPEND 02000
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#define O_NONBLOCK 04000 /* not fcntl */
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#define O_NDELAY O_NONBLOCK
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/* Defines for fcntl-commands. Note that currently
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* locking isn't supported, and other things aren't really
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* tested.
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*/
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#define F_DUPFD 0 /* dup */
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#define F_GETFD 1 /* get f_flags */
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#define F_SETFD 2 /* set f_flags */
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#define F_GETFL 3 /* more flags (cloexec) */
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#define F_SETFL 4
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#define F_GETLK 5 /* not implemented */
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#define F_SETLK 6
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#define F_SETLKW 7
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/* for F_[GET|SET]FL */
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#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
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/* Ok, these are locking features, and aren't implemented at any
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* level. POSIX wants them.
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*/
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#define F_RDLCK 0
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#define F_WRLCK 1
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#define F_UNLCK 2
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/* Once again - not implemented, but ... */
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struct flock {
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short l_type;
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short l_whence;
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off_t l_start;
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off_t l_len;
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pid_t l_pid;
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};
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extern int creat(const char * filename,mode_t mode);
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extern int fcntl(int fildes,int cmd, ...);
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extern int open(const char * filename, int flags, ...);
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#endif
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