queue.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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_DKTP_QUEUE_H
#define _SYS_DKTP_QUEUE_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
struct que_obj {
opaque_t que_data;
struct que_objops *que_ops;
};
struct que_objops {
int (*que_init)(struct que_data *, void *);
int (*que_free)(struct que_obj *);
int (*que_ins)(struct que_data *, struct buf *);
struct buf *(*que_del)(struct que_data *);
void *que_res[2];
};
#define QUE_INIT(X, lkarg) (*((struct que_obj *)(X))->que_ops->que_init) \
(((struct que_obj *)(X))->que_data, (lkarg))
#define QUE_FREE(X) (*((struct que_obj *)(X))->que_ops->que_free) ((X))
#define QUE_ADD(X, bp) (*((struct que_obj *)(X))->que_ops->que_ins) \
(((struct que_obj *)(X))->que_data, (bp))
#define QUE_DEL(X) (*((struct que_obj *)(X))->que_ops->que_del) \
(((struct que_obj *)(X))->que_data)
#ifdef __cplusplus
}
#endif
#endif /* _SYS_DKTP_QUEUE_H */