1/*
2 * Copyright © 2012 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24#ifndef _THREADPOOL_H_
25#define _THREADPOOL_H_
26
27#include <pthread.h>
28
29struct NineSwapChain9;
30
31#define MAXTHREADS 1
32
33struct threadpool {
34    pthread_mutex_t m;
35    pthread_cond_t new_work;
36
37    HANDLE wthread;
38    pthread_t pthread;
39    struct threadpool_task *workqueue;
40    BOOL shutdown;
41};
42
43typedef void (*threadpool_task_func)(void *data);
44
45struct threadpool_task {
46    threadpool_task_func work;
47    void *data;
48    struct threadpool_task *next;
49    pthread_cond_t finish;
50    BOOL finished;
51};
52
53struct threadpool *_mesa_threadpool_create(struct NineSwapChain9 *swapchain);
54void _mesa_threadpool_destroy(struct NineSwapChain9 *swapchain, struct threadpool *pool);
55struct threadpool_task *_mesa_threadpool_queue_task(struct threadpool *pool,
56                                                    threadpool_task_func func,
57                                                    void *data);
58void _mesa_threadpool_wait_for_task(struct threadpool *pool,
59                                    struct threadpool_task **task);
60#endif
61