text: /*
   * include/asm-xtensa/fcntl.h
   *
   * 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, 1996, 1997, 1998 by Ralf Baechle
   * Copyright (C) 2001 - 2005 Tensilica Inc.
   */
  
  #ifndef _XTENSA_FCNTL_H
  #define _XTENSA_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 O_NOATIME	01000000
  
  #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 /* _XTENSA_FCNTL_H */
  