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/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* 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 "uv.h"
#include "task.h"
#include <string.h>
#include <errno.h>
typedef struct {
uv_barrier_t barrier;
int delay;
volatile int posted;
int main_barrier_wait_rval;
int worker_barrier_wait_rval;
} worker_config;
static void worker(void* arg) {
worker_config* c = arg;
if (c->delay)
uv_sleep(c->delay);
c->worker_barrier_wait_rval = uv_barrier_wait(&c->barrier);
if (c->worker_barrier_wait_rval == 1) {
uv_barrier_destroy(&c->barrier);
ASSERT(c->main_barrier_wait_rval == 0);
}
}
TEST_IMPL(barrier_1) {
uv_thread_t thread;
worker_config wc;
memset(&wc, 0, sizeof(wc));
wc.main_barrier_wait_rval = -1;
wc.worker_barrier_wait_rval = -1;
ASSERT(0 == uv_barrier_init(&wc.barrier, 2));
ASSERT(0 == uv_thread_create(&thread, worker, &wc));
uv_sleep(100);
wc.main_barrier_wait_rval = uv_barrier_wait(&wc.barrier);
if (wc.main_barrier_wait_rval == 1) {
uv_barrier_destroy(&wc.barrier);
ASSERT(wc.worker_barrier_wait_rval == 0);
}
ASSERT(0 == uv_thread_join(&thread));
ASSERT(1 == (wc.main_barrier_wait_rval ^ wc.worker_barrier_wait_rval));
return 0;
}
TEST_IMPL(barrier_2) {
uv_thread_t thread;
worker_config wc;
memset(&wc, 0, sizeof(wc));
wc.delay = 100;
wc.main_barrier_wait_rval = -1;
wc.worker_barrier_wait_rval = -1;
ASSERT(0 == uv_barrier_init(&wc.barrier, 2));
ASSERT(0 == uv_thread_create(&thread, worker, &wc));
wc.main_barrier_wait_rval = uv_barrier_wait(&wc.barrier);
if (wc.main_barrier_wait_rval == 1) {
uv_barrier_destroy(&wc.barrier);
ASSERT(wc.worker_barrier_wait_rval == 0);
}
ASSERT(0 == uv_thread_join(&thread));
ASSERT(1 == (wc.main_barrier_wait_rval ^ wc.worker_barrier_wait_rval));
return 0;
}
TEST_IMPL(barrier_3) {
uv_thread_t thread;
worker_config wc;
memset(&wc, 0, sizeof(wc));
wc.main_barrier_wait_rval = -1;
wc.worker_barrier_wait_rval = -1;
ASSERT(0 == uv_barrier_init(&wc.barrier, 2));
ASSERT(0 == uv_thread_create(&thread, worker, &wc));
wc.main_barrier_wait_rval = uv_barrier_wait(&wc.barrier);
if (wc.main_barrier_wait_rval == 1) {
uv_barrier_destroy(&wc.barrier);
ASSERT(wc.worker_barrier_wait_rval == 0);
}
ASSERT(0 == uv_thread_join(&thread));
ASSERT(1 == (wc.main_barrier_wait_rval ^ wc.worker_barrier_wait_rval));
return 0;
}
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