/*** *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] * *Revision History: * 08-22-89 GJF Fixed copyright * 10-30-89 GJF Fixed copyright (again) * 03-21-90 GJF Added #ifndef _INC_LOCKING stuff * 01-21-91 GJF ANSI naming. * 09-16-92 SKS Fix copyright, clean up backslash * 02-23-93 SKS Update copyright to 1993 * ****/ #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 */