1 /*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2013 Olaf Wintermann. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef THREADPOOL_H
30 #define THREADPOOL_H
31
32 #include "../public/nsapi.h"
33 #include <pthread.h>
34
35 #ifdef __cplusplus
36 extern "C" {
37 #endif
38
39 typedef struct _pool_queue pool_queue_t;
40 struct _thread_pool {
41 pthread_mutex_t queue_lock;
42 pthread_mutex_t avlbl_lock;
43 pthread_cond_t available;
44 pool_queue_t *queue;
45 uint32_t queue_len;
46 uint32_t num_idle;
47 uint32_t num_threads;
48 int min_threads;
49 int max_threads;
50 };
51
52 struct _threadpool_job {
53 job_callback_f callback;
54 void *data;
55 };
56
57 struct _pool_queue {
58 threadpool_job *job;
59 pool_queue_t *next;
60 };
61
62 void threadpool_enqueue_job(threadpool_t *pool, threadpool_job *job);
63
64 #ifdef __cplusplus
65 }
66 #endif
67
68 #endif /* THREADPOOL_H */
69