xref: /freebsd/sys/contrib/openzfs/include/thread_pool.h (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
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 https://opensource.org/licenses/CDDL-1.0.
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 /*
23  * Copyright 2006 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_THREAD_POOL_H_
28 #define	_THREAD_POOL_H_ extern __attribute__((visibility("default")))
29 
30 #include <sys/types.h>
31 #include <pthread.h>
32 
33 #ifdef	__cplusplus
34 extern "C" {
35 #endif
36 
37 typedef	struct tpool tpool_t;	/* opaque thread pool descriptor */
38 
39 _THREAD_POOL_H_ tpool_t	*tpool_create(uint_t min_threads, uint_t max_threads,
40 			uint_t linger, pthread_attr_t *attr);
41 _THREAD_POOL_H_ int	tpool_dispatch(tpool_t *tpool,
42 			void (*func)(void *), void *arg);
43 _THREAD_POOL_H_ void	tpool_destroy(tpool_t *tpool);
44 _THREAD_POOL_H_ void	tpool_abandon(tpool_t *tpool);
45 _THREAD_POOL_H_ void	tpool_wait(tpool_t *tpool);
46 _THREAD_POOL_H_ void	tpool_suspend(tpool_t *tpool);
47 _THREAD_POOL_H_ int	tpool_suspended(tpool_t *tpool);
48 _THREAD_POOL_H_ void	tpool_resume(tpool_t *tpool);
49 _THREAD_POOL_H_ int	tpool_member(tpool_t *tpool);
50 
51 #ifdef	__cplusplus
52 }
53 #endif
54 
55 #endif	/* _THREAD_POOL_H_ */
56