32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/* Copyright (c) 1990, 1991 UNIX System Laboratories, Inc. */
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/* Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T */
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/* All Rights Reserved */
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/* THIS IS UNPUBLISHED PROPRIETARY SOURCE CODE OF */
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/* UNIX System Laboratories, Inc. */
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/* The copyright notice above does not evidence any */
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/* actual or intended publication of such source code. */
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#ifndef _SVC_LOCKING_H /* wrapper symbol for kernel use */
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#define _SVC_LOCKING_H /* subject to change without notice */
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/* Copyright (c) 1987, 1988 Microsoft Corporation */
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/* All Rights Reserved */
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/* This Module contains Proprietary Information of Microsoft */
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/* Corporation and should be treated as Confidential. */
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#ident "@(#)uts-3b2:svc/locking.h 1.2"
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/*
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* Flag values for XENIX locking() system call (os/xsys.c)
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*/
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#define LK_UNLCK 0 /* unlock request */
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#define LK_LOCK 1 /* lock request */
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#define LK_NBLCK 20 /* non-blocking lock request */
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#define LK_RLCK 3 /* read permitted only lock request */
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#define LK_NBRLCK 4 /* non-blocking read only lock request */
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#endif /* _SVC_LOCKING_H */
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