xref: /illumos-gate/usr/src/lib/libfakekernel/common/sys/taskq_impl.h (revision 3ba944265c4ae1fcf23ef758537c2e4f4feec16e)
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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 /*
26  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
27  */
28 
29 #ifndef	_SYS_TASKQ_IMPL_H
30 #define	_SYS_TASKQ_IMPL_H
31 
32 #include <sys/taskq.h>
33 #include <sys/inttypes.h>
34 #include <sys/vmem.h>
35 #include <sys/list.h>
36 #include <sys/kstat.h>
37 
38 #ifdef	__cplusplus
39 extern "C" {
40 #endif
41 
42 typedef struct taskq_ent {
43 	struct taskq_ent	*tqent_next;
44 	struct taskq_ent	*tqent_prev;
45 	task_func_t		*tqent_func;
46 	void			*tqent_arg;
47 	uintptr_t		tqent_flags;
48 } taskq_ent_t;
49 
50 #define	TQENT_FLAG_PREALLOC	0x1	/* taskq_dispatch_ent used */
51 
52 /* Special form of taskq dispatch that uses preallocated entries. */
53 void taskq_dispatch_ent(taskq_t *, task_func_t, void *, uint_t, taskq_ent_t *);
54 
55 #ifdef	__cplusplus
56 }
57 #endif
58 
59 #endif	/* _SYS_TASKQ_IMPL_H */
60