dos_compilers/Microsoft QuickC v251/INCLUDE/SYS/LOCKING.H
2024-07-02 08:12:15 -07:00

17 lines
468 B
C

/***
*sys\locking.h - flags for locking() function
*
* Copyright (c) 1985-1990, Microsoft Corporation. All rights reserved.
*
*Purpose:
* This file defines the flags for the locking() function.
* [System V]
*
****/
#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 */