dataq.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 1996-2002 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _DATAQ_H
#define _DATAQ_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include "llt.h"
typedef struct dataq_data {
ll_t list;
void *data;
} dataq_data_t;
typedef struct dataq_waiter {
ll_t list;
pthread_cond_t cv;
int wakeup;
} dataq_waiter_t;
typedef struct dataq {
pthread_mutex_t lock;
int num_data;
int num_waiters;
llh_t data;
llh_t waiters;
} dataq_t;
int dataq_init(dataq_t *ptr);
int dataq_enqueue(dataq_t *dataq, void *in);
int dataq_dequeue(dataq_t *dataq, void **outptr, int);
int dataq_destroy(dataq_t *dataq);
#endif /* _DATAQ_H */