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/*
* 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) 1993-1998 by Sun Microsystems, Inc.
* All rights reserved.
*
* Copyright 2013 Nexenta Systems, Inc. All rights reserved.
*/
#ifndef _SYS_SEMAPHORE_H
#define _SYS_SEMAPHORE_H
/*
* Public interface to semaphores. See semaphore(9F) for details.
*/
#include <sys/synch.h> /* lwp_sema_t */
#ifdef __cplusplus
extern "C" {
#endif
typedef enum {
SEMA_DEFAULT,
SEMA_DRIVER
} ksema_type_t;
typedef lwp_sema_t ksema_t;
#define SEMA_HELD(x) (sema_held((x)))
/*
* We're simulating the kernel mutex API here, and the
* user-level has a different signature, so rename.
*/
#define sema_init ksema_init
#define sema_destroy ksema_destroy
extern void ksema_init(ksema_t *, uint32_t, char *, ksema_type_t, void *);
extern void ksema_destroy(ksema_t *);
extern void sema_p(ksema_t *);
extern int sema_p_sig(ksema_t *);
extern void sema_v(ksema_t *);
extern int sema_tryp(ksema_t *);
extern int sema_held(ksema_t *);
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SEMAPHORE_H */
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