89 lines
2.4 KiB
C
89 lines
2.4 KiB
C
#ifndef _FCNTL_H
|
|
#define _FCNTL_H
|
|
/*
|
|
** Distributed under the terms of the OpenBeOS License.
|
|
*/
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
|
|
/* commands that can be passed to fcntl */
|
|
#define F_DUPFD 0x0001
|
|
#define F_GETFD 0x0002
|
|
#define F_SETFD 0x0004
|
|
#define F_GETFL 0x0008
|
|
#define F_SETFL 0x0010
|
|
#define F_GETLK 0x0020
|
|
#define F_RDLCK 0x0040
|
|
#define F_SETLK 0x0080
|
|
#define F_SETLKW 0x0100
|
|
#define F_UNLCK 0x0200
|
|
#define F_WRLCK 0x0400
|
|
|
|
#define FD_CLOEXEC 1 /* Close on exec. */
|
|
|
|
/* flags for open() */
|
|
#define O_RDONLY 0 /* read only */
|
|
#define O_WRONLY 1 /* write only */
|
|
#define O_RDWR 2 /* read and write */
|
|
#define O_RWMASK 3 /* Mask to get open mode */
|
|
|
|
#define O_CLOEXEC 0x0040 /* close fd on exec */
|
|
#define O_NONBLOCK 0x0080 /* non blocking io */
|
|
#define O_EXCL 0x0100 /* exclusive creat */
|
|
#define O_CREAT 0x0200 /* create and open file */
|
|
#define O_TRUNC 0x0400 /* open with truncation */
|
|
#define O_APPEND 0x0800 /* to end of file */
|
|
#define O_NOCTTY 0x1000 /* currently unsupported */
|
|
#define O_NOTRAVERSE 0x2000 /* do not traverse leaf link */
|
|
#define O_ACCMODE 0x0003 /* currently unsupported */
|
|
#define O_TEXT 0x4000 /* CR-LF translation */
|
|
#define O_BINARY 0x8000 /* no translation */
|
|
|
|
// currently not implemented additions:
|
|
#define O_NOFOLLOW 0x00010000
|
|
/* should we implement this? it's similar to O_NOTRAVERSE but will fail on symlinks */
|
|
#define O_NOCACHE 0x00020000 /* doesn't use the file system cache if possible */
|
|
#define O_DIRECT O_NOCACHE
|
|
#define O_SHLOCK 0x00040000
|
|
#define O_EXLOCK 0x00080000
|
|
#define O_MOUNT 0x00100000 /* for file systems */
|
|
#define O_FSYNC 0x10000000
|
|
|
|
|
|
/* advisory file locking */
|
|
|
|
struct flock {
|
|
short l_type;
|
|
short l_whence;
|
|
off_t l_start;
|
|
off_t l_len;
|
|
pid_t l_pid;
|
|
};
|
|
|
|
#define LOCK_SH 0x01 /* shared file lock */
|
|
#define LOCK_EX 0x02 /* exclusive file lock */
|
|
#define LOCK_NB 0x04 /* don't block when locking */
|
|
#define LOCK_UN 0x08 /* unlock file */
|
|
|
|
#define S_IREAD 0x0100 /* owner may read */
|
|
#define S_IWRITE 0x0080 /* owner may write */
|
|
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
extern int creat(const char *path, mode_t mode);
|
|
extern int open(const char *pathname, int oflags, ...);
|
|
/* the third argument is the permissions of the created file when O_CREAT
|
|
is passed in oflags */
|
|
|
|
extern int fcntl(int fd, int op, ...);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* _FCNTL_H */
|