1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 1996-2002 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _DATAQ_H 28 #define _DATAQ_H 29 30 #include "llt.h" 31 32 typedef struct dataq_data { 33 ll_t list; 34 void *data; 35 } dataq_data_t; 36 37 typedef struct dataq_waiter { 38 ll_t list; 39 pthread_cond_t cv; 40 int wakeup; 41 } dataq_waiter_t; 42 43 typedef struct dataq { 44 pthread_mutex_t lock; 45 int num_data; 46 int num_waiters; 47 llh_t data; 48 llh_t waiters; 49 } dataq_t; 50 51 int dataq_init(dataq_t *ptr); 52 int dataq_enqueue(dataq_t *dataq, void *in); 53 int dataq_dequeue(dataq_t *dataq, void **outptr, int); 54 int dataq_destroy(dataq_t *dataq); 55 56 #endif /* _DATAQ_H */ 57