57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
#ifndef SYS_LINUX_FCNTL_H_
|
|
#define SYS_LINUX_FCNTL_H_
|
|
|
|
#include <sys/types.h>
|
|
|
|
struct flock
|
|
{
|
|
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
|
|
short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
|
|
off_t l_start; /* Offset where the lock begins. */
|
|
off_t l_len; /* Size of the locked area; zero means until EOF. */
|
|
pid_t l_pid; /* Process holding the lock. */
|
|
};
|
|
|
|
struct flock64
|
|
{
|
|
short int l_type; /* Type of lock: F_RDLCK, F_WRLCK, or F_UNLCK. */
|
|
short int l_whence; /* Where `l_start' is relative to (like `lseek'). */
|
|
off64_t l_start; /* Offset where the lock begins. */
|
|
off64_t l_len; /* Size of the locked area; zero means until EOF. */
|
|
pid_t l_pid; /* Process holding the lock. */
|
|
};
|
|
|
|
#define O_ACCMODE 0003
|
|
#define O_RDONLY 00
|
|
#define O_WRONLY 01
|
|
#define O_RDWR 02
|
|
#define O_CREAT 0100 /* Not fcntl. */
|
|
#define O_EXCL 0200 /* Not fcntl. */
|
|
#define O_NOCTTY 0400 /* Not fcntl. */
|
|
#define O_TRUNC 01000 /* Not fcntl. */
|
|
#define O_APPEND 02000
|
|
#define O_NONBLOCK 04000
|
|
#define O_NDELAY O_NONBLOCK
|
|
#define O_SYNC 04010000
|
|
#define O_FSYNC O_SYNC
|
|
#define O_ASYNC 020000
|
|
#define O_LARGEFILE 0100000
|
|
|
|
#define O_DIRECTORY 0200000
|
|
#define O_NOFOLLOW 0400000
|
|
#define O_CLOEXEC 02000000
|
|
#define O_DIRECT 040000
|
|
#define O_NOATIME 01000000
|
|
#define O_PATH 010000000
|
|
#define O_DSYNC 010000
|
|
#define O_TMPFILE (020000000 | __O_DIRECTORY)
|
|
|
|
#define F_GETLK 5 /* Get record locking info. */
|
|
#define F_SETLK 6 /* Set record locking info (non-blocking). */
|
|
#define F_SETLKW 7 /* Set record locking info (blocking). */
|
|
#define F_GETLK64 12 /* Get record locking info. */
|
|
#define F_SETLK64 13 /* Set record locking info (non-blocking). */
|
|
#define F_SETLKW64 14 /* Set record locking info (blocking). */
|
|
|
|
#endif
|