31 lines
720 B
C
31 lines
720 B
C
/***
|
|
*sys/locking.h - flags for locking() function
|
|
*
|
|
* Copyright (c) 1985-1993, Microsoft Corporation. All rights reserved.
|
|
*
|
|
*Purpose:
|
|
* This file defines the flags for the locking() function.
|
|
* [System V]
|
|
*
|
|
****/
|
|
|
|
#ifndef _INC_LOCKING
|
|
|
|
#define _LK_UNLCK 0 /* unlock the file region */
|
|
#define _LK_LOCK 1 /* lock the file region */
|
|
#define _LK_NBLCK 2 /* non-blocking lock */
|
|
#define _LK_RLCK 3 /* lock for writing */
|
|
#define _LK_NBRLCK 4 /* non-blocking lock for writing */
|
|
|
|
#if !__STDC__
|
|
/* Non-ANSI names for compatibility */
|
|
#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
|
|
|
|
#define _INC_LOCKING
|
|
#endif /* _INC_LOCKING */
|