xref: /titanic_51/usr/src/uts/common/sys/sema_impl.h (revision 7c478bd95313f5f23a4c958a745db2134aa03244)

/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright (c) 1993-1997 by Sun Microsystems, Inc.
 * All rights reserved.
 */

/*
 * semaphore.h:
 *
 * definitions for thread synchronization primitives:
 * mutexs, semaphores, condition variables, and readers/writer
 * locks.
 */

#ifndef _SYS_SEMA_IMPL_H
#define	_SYS_SEMA_IMPL_H

#pragma ident	"%Z%%M%	%I%	%E% SMI"

#ifndef	_ASM
#include <sys/types.h>
#include <sys/machlock.h>
#endif	/* _ASM */

#ifdef	__cplusplus
extern "C" {
#endif

#ifndef	_ASM

/*
 * Semaphores.
 */

typedef struct _sema_impl {
	struct _kthread	*s_slpq;
	int		s_count;
} sema_impl_t;

#endif	/* _ASM */

#ifdef	__cplusplus
}
#endif

#endif	/* _SYS_SEMA_IMPL_H */