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Diffstat (limited to 'private/crt32/h/sys/locking.h')
| -rw-r--r-- | private/crt32/h/sys/locking.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/private/crt32/h/sys/locking.h b/private/crt32/h/sys/locking.h new file mode 100644 index 000000000..d6a22a605 --- /dev/null +++ b/private/crt32/h/sys/locking.h @@ -0,0 +1,38 @@ +/*** +*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 */ |