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/*

 *  include/asm-s390/fcntl.h

 *

 *  S390 version

 *

 *  Derived from "include/asm-i386/fcntl.h"

 */

#ifndef _S390_FCNTL_H

#define _S390_FCNTL_H

/* open/fcntl - O_SYNC is only implemented on blocks devices and on files

   located on an ext2 file system */

#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           010000

#define FASYNC           020000 /* fcntl, for BSD compatibility */

#define O_DIRECT         040000 /* direct disk access hint */

#define O_LARGEFILE     0100000

#define O_DIRECTORY     0200000 /* must be a directory */

#define O_NOFOLLOW      0400000 /* don't follow links */

#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         5

#define F_SETLK         6

#define F_SETLKW        7

#define F_SETOWN        8       /*  for sockets. */

#define F_GETOWN        9       /*  for sockets. */

#define F_SETSIG        10      /*  for sockets. */

#define F_GETSIG        11      /*  for sockets. */

#define F_GETLK64       12      /*  using 'struct flock64' */

#define F_SETLK64       13

#define F_SETLKW64      14

/* 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 */

struct flock {

        short l_type;

        short l_whence;

        off_t l_start;

        off_t l_len;

        pid_t l_pid;

};

struct flock64 {

        short  l_type;

        short  l_whence;

        loff_t l_start;

        loff_t l_len;

        pid_t  l_pid;

};

#define F_LINUX_SPECIFIC_BASE   1024

#endif