44     struct threadpool *pool = data;  in threadpool_worker()  local
46     pthread_mutex_lock(&pool->m);  in threadpool_worker()
48     while (!pool->shutdown) {  in threadpool_worker()
52         while (!pool->workqueue && !pool->shutdown)  in threadpool_worker()
53             pthread_cond_wait(&pool->new_work, &pool->m);  in threadpool_worker()
55         if (pool->shutdown)  in threadpool_worker()
62         task = pool->workqueue;  in threadpool_worker()
63         pool->workqueue = task->next;  in threadpool_worker()
66         pthread_mutex_unlock(&pool->m);  in threadpool_worker()
68         pthread_mutex_lock(&pool->m);  in threadpool_worker()
73     pthread_mutex_unlock(&pool->m);  in threadpool_worker()
90     struct threadpool *pool = calloc(1, sizeof(*pool));  in _mesa_threadpool_create()  local
92     if (!pool)  in _mesa_threadpool_create()
95     pthread_mutex_init(&pool->m, NULL);  in _mesa_threadpool_create()
96     pthread_cond_init(&pool->new_work, NULL);  in _mesa_threadpool_create()
100     pool->wthread = NineSwapChain9_CreateThread(swapchain, wthreadpool_worker, pool);  in _mesa_threadpool_create()
101     if (!pool->wthread) {  in _mesa_threadpool_create()
103         pthread_create(&pool->pthread, NULL, threadpool_worker, pool);  in _mesa_threadpool_create()
105     return pool;  in _mesa_threadpool_create()
109 _mesa_threadpool_destroy(struct NineSwapChain9 *swapchain, struct threadpool *pool)  in _mesa_threadpool_destroy()  argument
111     if (!pool)  in _mesa_threadpool_destroy()
114     pthread_mutex_lock(&pool->m);  in _mesa_threadpool_destroy()
115     pool->shutdown = TRUE;  in _mesa_threadpool_destroy()
116     pthread_cond_broadcast(&pool->new_work);  in _mesa_threadpool_destroy()
117     pthread_mutex_unlock(&pool->m);  in _mesa_threadpool_destroy()
119     if (pool->wthread) {  in _mesa_threadpool_destroy()
120         NineSwapChain9_WaitForThread(swapchain, pool->wthread);  in _mesa_threadpool_destroy()
122         pthread_join(pool->pthread, NULL);  in _mesa_threadpool_destroy()
125     pthread_cond_destroy(&pool->new_work);  in _mesa_threadpool_destroy()
126     pthread_mutex_destroy(&pool->m);  in _mesa_threadpool_destroy()
127     free(pool);  in _mesa_threadpool_destroy()
142 _mesa_threadpool_queue_task(struct threadpool *pool,  in _mesa_threadpool_queue_task()  argument
147     if (!pool) {  in _mesa_threadpool_queue_task()
163     pthread_mutex_lock(&pool->m);  in _mesa_threadpool_queue_task()
165     if (!pool->workqueue) {  in _mesa_threadpool_queue_task()
166         pool->workqueue = task;  in _mesa_threadpool_queue_task()
168         previous = pool->workqueue;  in _mesa_threadpool_queue_task()
174     pthread_cond_signal(&pool->new_work);  in _mesa_threadpool_queue_task()
175     pthread_mutex_unlock(&pool->m);  in _mesa_threadpool_queue_task()
184 _mesa_threadpool_wait_for_task(struct threadpool *pool,  in _mesa_threadpool_wait_for_task()  argument
189     if (!pool || !task)  in _mesa_threadpool_wait_for_task()
192     pthread_mutex_lock(&pool->m);  in _mesa_threadpool_wait_for_task()
194         pthread_cond_wait(&task->finish, &pool->m);  in _mesa_threadpool_wait_for_task()
195     pthread_mutex_unlock(&pool->m);  in _mesa_threadpool_wait_for_task()