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Diffstat (limited to 'private/crtlib/include/sys/locking.h')
| -rw-r--r-- | private/crtlib/include/sys/locking.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/private/crtlib/include/sys/locking.h b/private/crtlib/include/sys/locking.h new file mode 100644 index 000000000..dabb70ead --- /dev/null +++ b/private/crtlib/include/sys/locking.h @@ -0,0 +1,30 @@ +/*** +*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 */ |