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

32 lines
818 B
C

/*
* locking.h
* This file has no copyright assigned and is placed in the Public Domain.
* This file is a part of the mingw-runtime package.
* No warranty is given; refer to the file DISCLAIMER within the package.
*
* Constants for the mode parameter of the locking function.
*
*/
#ifndef _LOCKING_H_
#define _LOCKING_H_
/* All the headers include this file. */
#include <_mingw.h>
#define _LK_UNLCK 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_UNLCK _LK_UNLCK
#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_ */