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- /* Copyright (c) 1984, 1986, 1987, 1988 AT&T */
- /* All Rights Reserved */
-
- /* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF AT&T */
- /* The copyright notice above does not evidence any */
- /* actual or intended publication of such source code. */
-
- /* Copyright (c) 1987, 1988 Microsoft Corporation */
- /* All Rights Reserved */
-
- /* This Module contains Proprietary Information of Microsoft */
- /* Corporation and should be treated as Confidential. */
-
- #ident "@(#)head.sys:locking.h 1.2"
-
- /*
- * THIS FILE CONTAINS CODE WHICH IS DESIGNED TO BE
- * PORTABLE BETWEEN DIFFERENT MACHINE ARCHITECTURES
- * AND CONFIGURATIONS. IT SHOULD NOT REQUIRE ANY
- * MODIFICATIONS WHEN ADAPTING XENIX TO NEW HARDWARE.
- */
- /*
- * Flag values for XENIX locking() system call (os/xsys.c)
- */
-
-
- #define LK_UNLCK 0 /* unlock request */
- #define LK_LOCK 1 /* lock request */
- #define LK_NBLCK 20 /* non-blocking lock request */
- #define LK_RLCK 3 /* read permitted only lock request */
- #define LK_NBRLCK 4 /* non-blocking read only lock request */
-
-