1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1994, by Sun Microsytems, Inc. 24*0Sstevel@tonic-gate */ 25*0Sstevel@tonic-gate 26*0Sstevel@tonic-gate #ifndef _QUEUE_H 27*0Sstevel@tonic-gate #define _QUEUE_H 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 30*0Sstevel@tonic-gate 31*0Sstevel@tonic-gate /* 32*0Sstevel@tonic-gate * Includes 33*0Sstevel@tonic-gate */ 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate #include <sys/types.h> 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #ifdef __cplusplus 38*0Sstevel@tonic-gate extern "C" { 39*0Sstevel@tonic-gate #endif 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate /* 42*0Sstevel@tonic-gate * Typedefs 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate typedef struct queue_node queue_node_t; 46*0Sstevel@tonic-gate struct queue_node { 47*0Sstevel@tonic-gate queue_node_t *next_p; 48*0Sstevel@tonic-gate queue_node_t *prev_p; 49*0Sstevel@tonic-gate }; 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate 52*0Sstevel@tonic-gate /* 53*0Sstevel@tonic-gate * Declarations 54*0Sstevel@tonic-gate */ 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate boolean_t queue_isempty(queue_node_t * q); 57*0Sstevel@tonic-gate queue_node_t *queue_prepend(queue_node_t * h, queue_node_t * q); 58*0Sstevel@tonic-gate queue_node_t *queue_append(queue_node_t * h, queue_node_t * q); 59*0Sstevel@tonic-gate void queue_init(queue_node_t * q); 60*0Sstevel@tonic-gate queue_node_t *queue_next(queue_node_t * h, queue_node_t * q); 61*0Sstevel@tonic-gate queue_node_t *queue_remove(queue_node_t * q); 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate #ifdef __cplusplus 64*0Sstevel@tonic-gate } 65*0Sstevel@tonic-gate #endif 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate #endif /* _QUEUE_H */ 68