2N/A/*
2N/A * CDDL HEADER START
2N/A *
2N/A * The contents of this file are subject to the terms of the
2N/A * Common Development and Distribution License, Version 1.0 only
2N/A * (the "License"). You may not use this file except in compliance
2N/A * with the License.
2N/A *
2N/A * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2N/A * or http://www.opensolaris.org/os/licensing.
2N/A * See the License for the specific language governing permissions
2N/A * and limitations under the License.
2N/A *
2N/A * When distributing Covered Code, include this CDDL HEADER in each
2N/A * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2N/A * If applicable, add the following below this CDDL HEADER, with the
2N/A * fields enclosed by brackets "[]" replaced with your own identifying
2N/A * information: Portions Copyright [yyyy] [name of copyright owner]
2N/A *
2N/A * CDDL HEADER END
2N/A */
2N/A/*
2N/A * Copyright (c) 1993-1998 by Sun Microsystems, Inc.
2N/A * All rights reserved.
2N/A *
2N/A * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
2N/A */
2N/A
2N/A#ifndef _SYS_SEMAPHORE_H
2N/A#define _SYS_SEMAPHORE_H
2N/A
2N/A/*
2N/A * Public interface to semaphores. See semaphore(9F) for details.
2N/A */
2N/A
2N/A#include <sys/synch.h> /* lwp_sema_t */
2N/A
2N/A#ifdef __cplusplus
2N/Aextern "C" {
2N/A#endif
2N/A
2N/Atypedef enum {
2N/A SEMA_DEFAULT,
2N/A SEMA_DRIVER
2N/A} ksema_type_t;
2N/A
2N/Atypedef lwp_sema_t ksema_t;
2N/A
2N/A#define SEMA_HELD(x) (sema_held((x)))
2N/A
2N/A/*
* 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 */