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/*
* Copyright (c) 2014 DeNA Co., Ltd.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include <stdlib.h>
#include "../../test.h"
#include "../../../../lib/common/multithread.c"
struct st_thread_t {
h2o_loop_t *loop;
h2o_multithread_queue_t *queue;
};
struct {
h2o_loop_t *loop;
h2o_multithread_queue_t *queue;
h2o_multithread_receiver_t pong_receiver;
h2o_multithread_receiver_t shutdown_receiver;
int received_shutdown;
} main_thread;
struct {
h2o_loop_t *loop;
h2o_multithread_queue_t *queue;
h2o_multithread_receiver_t ping_receiver;
size_t num_ping_received;
int should_exit;
} worker_thread;
static void send_empty_message(h2o_multithread_receiver_t *receiver)
{
h2o_multithread_message_t *message = h2o_mem_alloc(sizeof(*message));
*message = (h2o_multithread_message_t){{NULL}};
h2o_multithread_send_message(receiver, message);
}
static void pop_empty_message(h2o_linklist_t *list)
{
h2o_multithread_message_t *message = H2O_STRUCT_FROM_MEMBER(h2o_multithread_message_t, link, list->next);
h2o_linklist_unlink(&message->link);
free(message);
}
static void on_ping(h2o_multithread_receiver_t *receiver, h2o_linklist_t *list)
{
while (!h2o_linklist_is_empty(list)) {
pop_empty_message(list);
if (++worker_thread.num_ping_received < 100) {
send_empty_message(&main_thread.pong_receiver);
} else {
send_empty_message(&main_thread.shutdown_receiver);
worker_thread.should_exit = 1;
}
}
}
static void on_pong(h2o_multithread_receiver_t *receiver, h2o_linklist_t *list)
{
while (!h2o_linklist_is_empty(list)) {
pop_empty_message(list);
send_empty_message(&worker_thread.ping_receiver);
}
}
static void on_shutdown(h2o_multithread_receiver_t *receiver, h2o_linklist_t *list)
{
while (!h2o_linklist_is_empty(list))
pop_empty_message(list);
main_thread.received_shutdown = 1;
}
#if H2O_USE_LIBUV
static h2o_loop_t *create_loop(void)
{
h2o_loop_t *loop = h2o_mem_alloc(sizeof(*loop));
uv_loop_init(loop);
return loop;
}
static void destroy_loop(h2o_loop_t *loop)
{
uv_run(loop, UV_RUN_NOWAIT);
uv_loop_close(loop);
free(loop);
}
#else
#define create_loop h2o_evloop_create
#define destroy_loop(loop) (0) /* FIXME */
#endif
static void *worker_main(void *_unused)
{
while (!worker_thread.should_exit) {
#if H2O_USE_LIBUV
uv_run(worker_thread.loop, UV_RUN_ONCE);
#else
h2o_evloop_run(worker_thread.loop, INT32_MAX);
#endif
}
return NULL;
}
void test_lib__common__multithread_c(void)
{
pthread_t tid;
main_thread.loop = create_loop();
main_thread.queue = h2o_multithread_create_queue(main_thread.loop);
h2o_multithread_register_receiver(main_thread.queue, &main_thread.pong_receiver, on_pong);
h2o_multithread_register_receiver(main_thread.queue, &main_thread.shutdown_receiver, on_shutdown);
worker_thread.loop = create_loop();
worker_thread.queue = h2o_multithread_create_queue(worker_thread.loop);
h2o_multithread_register_receiver(worker_thread.queue, &worker_thread.ping_receiver, on_ping);
pthread_create(&tid, NULL, worker_main, NULL);
/* send first message */
send_empty_message(&worker_thread.ping_receiver);
while (!main_thread.received_shutdown) {
#if H2O_USE_LIBUV
uv_run(main_thread.loop, UV_RUN_ONCE);
#else
h2o_evloop_run(main_thread.loop, INT32_MAX);
#endif
}
pthread_join(tid, NULL);
h2o_multithread_unregister_receiver(worker_thread.queue, &worker_thread.ping_receiver);
h2o_multithread_destroy_queue(worker_thread.queue);
destroy_loop(worker_thread.loop);
h2o_multithread_unregister_receiver(main_thread.queue, &main_thread.pong_receiver);
h2o_multithread_unregister_receiver(main_thread.queue, &main_thread.shutdown_receiver);
h2o_multithread_destroy_queue(main_thread.queue);
destroy_loop(main_thread.loop);
ok(1);
}
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