newlib-cygwin/winsup/mingw/include/sys/locking.h

53 lines
1.2 KiB
C

/*
* locking.h
*
* Constants for the mode parameter of the locking function.
*
* This file is part of the Mingw32 package.
*
* Contributors:
* Created by Colin Peters <colin@bird.fu.is.saga-u.ac.jp>
*
* THIS SOFTWARE IS NOT COPYRIGHTED
*
* This source code is offered for use in the public domain. You may
* use, modify or distribute it freely.
*
* This code is distributed in the hope that it will be useful but
* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
* DISCLAMED. This includes but is not limited to warranties of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* $Revision$
* $Author$
* $Date$
*
*/
#ifndef __STRICT_ANSI__
#ifndef _LOCKING_H_
#define _LOCKING_H_
/* All the headers include this file. */
#include <_mingw.h>
#define _LK_UNLOCK 0 /* Unlock */
#define _LK_LOCK 1 /* Lock */
#define _LK_NBLCK 2 /* Non-blocking lock */
#define _LK_RLCK 3 /* Lock for read only */
#define _LK_NBRLCK 4 /* Non-blocking lock for read only */
#ifndef NO_OLDNAMES
#define LK_UNLOCK _LK_UNLOCK
#define LK_LOCK _LK_LOCK
#define LK_NBLCK _LK_NBLCK
#define LK_RLCK _LK_RLCK
#define LK_NBRLCK _LK_NBRLCK
#endif /* Not NO_OLDNAMES */
#endif /* Not _LOCKING_H_ */
#endif /* Not __STRICT_ANSI__ */