source: svn/trunk/newcon3bcm2_21bu/toolchain/mipsel-linux-uclibc/include/asm/fcntl.h @ 2

/*
 * 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;

#endif

#define F_LINUX_SPECIFIC_BASE   1024

#endif /* _ASM_FCNTL_H */