1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License").  You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22/*
23 * Copyright (c) 1993-1997 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27/*
28 * semaphore.h:
29 *
30 * definitions for thread synchronization primitives:
31 * mutexs, semaphores, condition variables, and readers/writer
32 * locks.
33 */
34
35#ifndef _SYS_SEMA_IMPL_H
36#define	_SYS_SEMA_IMPL_H
37
38#pragma ident	"%Z%%M%	%I%	%E% SMI"
39
40#ifndef	_ASM
41#include <sys/types.h>
42#include <sys/machlock.h>
43#endif	/* _ASM */
44
45#ifdef	__cplusplus
46extern "C" {
47#endif
48
49#ifndef	_ASM
50
51/*
52 * Semaphores.
53 */
54
55typedef struct _sema_impl {
56	struct _kthread	*s_slpq;
57	int		s_count;
58} sema_impl_t;
59
60#endif	/* _ASM */
61
62#ifdef	__cplusplus
63}
64#endif
65
66#endif	/* _SYS_SEMA_IMPL_H */
67