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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_DKTP_QUEUE_H 28 #define _SYS_DKTP_QUEUE_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifdef __cplusplus 33 extern "C" { 34 #endif 35 36 struct que_obj { 37 opaque_t que_data; 38 struct que_objops *que_ops; 39 }; 40 41 struct que_objops { 42 int (*que_init)(struct que_data *, void *); 43 int (*que_free)(struct que_obj *); 44 int (*que_ins)(struct que_data *, struct buf *); 45 struct buf *(*que_del)(struct que_data *); 46 void *que_res[2]; 47 }; 48 49 #define QUE_INIT(X, lkarg) (*((struct que_obj *)(X))->que_ops->que_init) \ 50 (((struct que_obj *)(X))->que_data, (lkarg)) 51 #define QUE_FREE(X) (*((struct que_obj *)(X))->que_ops->que_free) ((X)) 52 #define QUE_ADD(X, bp) (*((struct que_obj *)(X))->que_ops->que_ins) \ 53 (((struct que_obj *)(X))->que_data, (bp)) 54 #define QUE_DEL(X) (*((struct que_obj *)(X))->que_ops->que_del) \ 55 (((struct que_obj *)(X))->que_data) 56 57 #ifdef __cplusplus 58 } 59 #endif 60 61 #endif /* _SYS_DKTP_QUEUE_H */ 62