/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#import "threadcompat.h"

typedef struct {
    MUTEX_STRUCT	lock;
    CONDITION_STRUCT	wakeup;
} lockc_t;

static __inline__ void
lockc_init(lockc_t * l)
{
    mutex_init(&l->lock);
    condition_init(&l->wakeup);
}

static __inline__ void
lockc_signal(lockc_t * l)
{
    mutex_lock(&l->lock);
    condition_signal(&l->wakeup);
    mutex_unlock(&l->lock);
}

static __inline__ void
lockc_signal_nl(lockc_t * l)
{
    condition_signal(&l->wakeup);
}

static __inline__ void
lockc_lock(lockc_t * l)
{
    mutex_lock(&l->lock);
}

static __inline__ void
lockc_unlock(lockc_t * l)
{
    mutex_unlock(&l->lock);
}

static __inline__ void
lockc_wait(lockc_t * l)
{
    condition_wait(&l->wakeup, &l->lock);
}

static __inline__ void
lockc_free(lockc_t * l)
{
    mutex_clear(&l->lock);
    condition_clear(&l->wakeup);
}