126 строки
3.3 KiB
C
126 строки
3.3 KiB
C
/*
|
|
* This file is subject to the terms and conditions of the GNU General Public
|
|
* License. See the file "COPYING" in the main directory of this archive
|
|
* for more details.
|
|
*
|
|
* Copyright (C) 1995, 96, 97, 98, 99, 2003 Ralf Baechle
|
|
*/
|
|
#ifndef _ASM_FCNTL_H
|
|
#define _ASM_FCNTL_H
|
|
|
|
/* open/fcntl - O_SYNC is only implemented on blocks devices and on files
|
|
located on an ext2 file system */
|
|
#define O_ACCMODE 0x0003
|
|
#define O_RDONLY 0x0000
|
|
#define O_WRONLY 0x0001
|
|
#define O_RDWR 0x0002
|
|
#define O_APPEND 0x0008
|
|
#define O_SYNC 0x0010
|
|
#define O_NONBLOCK 0x0080
|
|
#define O_CREAT 0x0100 /* not fcntl */
|
|
#define O_TRUNC 0x0200 /* not fcntl */
|
|
#define O_EXCL 0x0400 /* not fcntl */
|
|
#define O_NOCTTY 0x0800 /* not fcntl */
|
|
#define FASYNC 0x1000 /* fcntl, for BSD compatibility */
|
|
#define O_LARGEFILE 0x2000 /* allow large file opens */
|
|
#define O_DIRECT 0x8000 /* direct disk access hint */
|
|
#define O_DIRECTORY 0x10000 /* must be a directory */
|
|
#define O_NOFOLLOW 0x20000 /* don't follow links */
|
|
#define O_NOATIME 0x40000
|
|
|
|
#define O_NDELAY O_NONBLOCK
|
|
|
|
#define F_DUPFD 0 /* dup */
|
|
#define F_GETFD 1 /* get close_on_exec */
|
|
#define F_SETFD 2 /* set/clear close_on_exec */
|
|
#define F_GETFL 3 /* get file->f_flags */
|
|
#define F_SETFL 4 /* set file->f_flags */
|
|
#define F_GETLK 14
|
|
#define F_SETLK 6
|
|
#define F_SETLKW 7
|
|
|
|
#define F_SETOWN 24 /* for sockets. */
|
|
#define F_GETOWN 23 /* for sockets. */
|
|
#define F_SETSIG 10 /* for sockets. */
|
|
#define F_GETSIG 11 /* for sockets. */
|
|
|
|
#ifndef __mips64
|
|
#define F_GETLK64 33 /* using 'struct flock64' */
|
|
#define F_SETLK64 34
|
|
#define F_SETLKW64 35
|
|
#endif
|
|
|
|
/* for F_[GET|SET]FL */
|
|
#define FD_CLOEXEC 1 /* actually anything with low bit set goes */
|
|
|
|
/* for posix fcntl() and lockf() */
|
|
#define F_RDLCK 0
|
|
#define F_WRLCK 1
|
|
#define F_UNLCK 2
|
|
|
|
/* for old implementation of bsd flock () */
|
|
#define F_EXLCK 4 /* or 3 */
|
|
#define F_SHLCK 8 /* or 4 */
|
|
|
|
/* for leases */
|
|
#define F_INPROGRESS 16
|
|
|
|
/* operations for bsd flock(), also used by the kernel implementation */
|
|
#define LOCK_SH 1 /* shared lock */
|
|
#define LOCK_EX 2 /* exclusive lock */
|
|
#define LOCK_NB 4 /* or'd with one of the above to prevent
|
|
blocking */
|
|
#define LOCK_UN 8 /* remove lock */
|
|
|
|
#define LOCK_MAND 32 /* This is a mandatory flock */
|
|
#define LOCK_READ 64 /* ... Which allows concurrent read operations */
|
|
#define LOCK_WRITE 128 /* ... Which allows concurrent write operations */
|
|
#define LOCK_RW 192 /* ... Which allows concurrent read & write ops */
|
|
|
|
/*
|
|
* The flavours of struct flock. "struct flock" is the ABI compliant
|
|
* variant. Finally struct flock64 is the LFS variant of struct flock. As
|
|
* a historic accident and inconsistence with the ABI definition it doesn't
|
|
* contain all the same fields as struct flock.
|
|
*/
|
|
|
|
#ifndef __mips64
|
|
|
|
typedef struct flock {
|
|
short l_type;
|
|
short l_whence;
|
|
__kernel_off_t l_start;
|
|
__kernel_off_t l_len;
|
|
long l_sysid;
|
|
__kernel_pid_t l_pid;
|
|
long pad[4];
|
|
} flock_t;
|
|
|
|
typedef struct flock64 {
|
|
short l_type;
|
|
short l_whence;
|
|
loff_t l_start;
|
|
loff_t l_len;
|
|
pid_t l_pid;
|
|
} flock64_t;
|
|
|
|
#else /* 64-bit definitions */
|
|
|
|
typedef struct flock {
|
|
short l_type;
|
|
short l_whence;
|
|
__kernel_off_t l_start;
|
|
__kernel_off_t l_len;
|
|
__kernel_pid_t l_pid;
|
|
} flock_t;
|
|
|
|
#ifdef __KERNEL__
|
|
#define flock64 flock
|
|
#endif
|
|
|
|
#endif
|
|
|
|
#define F_LINUX_SPECIFIC_BASE 1024
|
|
|
|
#endif /* _ASM_FCNTL_H */
|