xref: /illumos-gate/usr/src/lib/libc/inc/thread_pool.h (revision f841f6ad)
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 /*
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_
29 
30 #pragma ident	"%Z%%M%	%I%	%E% SMI"
31 
32 #include <sys/types.h>
33 #include <thread.h>
34 #include <pthread.h>
35 
36 #ifdef	__cplusplus
37 extern "C" {
38 #endif
39 
40 typedef	struct tpool tpool_t;	/* opaque thread pool descriptor */
41 
42 #if defined(__STDC__)
43 
44 extern	tpool_t	*tpool_create(uint_t min_threads, uint_t max_threads,
45 			uint_t linger, pthread_attr_t *attr);
46 extern	int	tpool_dispatch(tpool_t *tpool,
47 			void (*func)(void *), void *arg);
48 extern	void	tpool_destroy(tpool_t *tpool);
49 extern	void	tpool_abandon(tpool_t *tpool);
50 extern	void	tpool_wait(tpool_t *tpool);
51 extern	void	tpool_suspend(tpool_t *tpool);
52 extern	int	tpool_suspended(tpool_t *tpool);
53 extern	void	tpool_resume(tpool_t *tpool);
54 extern	int	tpool_member(tpool_t *tpool);
55 
56 #else	/* Non ANSI */
57 
58 extern	tpool_t	*tpool_create();
59 extern	int	tpool_dispatch();
60 extern	void	tpool_destroy();
61 extern	void	tpool_abandon();
62 extern	void	tpool_wait();
63 extern	void	tpool_suspend();
64 extern	int	tpool_suspended();
65 extern	void	tpool_resume();
66 extern	int	tpool_member();
67 
68 #endif	/* __STDC__ */
69 
70 #ifdef	__cplusplus
71 }
72 #endif
73 
74 #endif	/* _THREAD_POOL_H_ */
75