mirror of
https://github.com/urbit/shrub.git
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107 lines
2.8 KiB
C
107 lines
2.8 KiB
C
/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to
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* deal in the Software without restriction, including without limitation the
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* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include "uv.h"
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#include "task.h"
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#include <string.h>
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#include <errno.h>
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typedef struct {
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uv_barrier_t barrier;
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int delay;
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volatile int posted;
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int main_barrier_wait_rval;
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int worker_barrier_wait_rval;
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} worker_config;
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static void worker(void* arg) {
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worker_config* c = arg;
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if (c->delay)
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uv_sleep(c->delay);
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c->worker_barrier_wait_rval = uv_barrier_wait(&c->barrier);
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}
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TEST_IMPL(barrier_1) {
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uv_thread_t thread;
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worker_config wc;
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memset(&wc, 0, sizeof(wc));
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ASSERT(0 == uv_barrier_init(&wc.barrier, 2));
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ASSERT(0 == uv_thread_create(&thread, worker, &wc));
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uv_sleep(100);
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wc.main_barrier_wait_rval = uv_barrier_wait(&wc.barrier);
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ASSERT(0 == uv_thread_join(&thread));
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uv_barrier_destroy(&wc.barrier);
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ASSERT(1 == (wc.main_barrier_wait_rval ^ wc.worker_barrier_wait_rval));
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return 0;
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}
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TEST_IMPL(barrier_2) {
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uv_thread_t thread;
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worker_config wc;
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memset(&wc, 0, sizeof(wc));
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wc.delay = 100;
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ASSERT(0 == uv_barrier_init(&wc.barrier, 2));
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ASSERT(0 == uv_thread_create(&thread, worker, &wc));
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wc.main_barrier_wait_rval = uv_barrier_wait(&wc.barrier);
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ASSERT(0 == uv_thread_join(&thread));
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uv_barrier_destroy(&wc.barrier);
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ASSERT(1 == (wc.main_barrier_wait_rval ^ wc.worker_barrier_wait_rval));
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return 0;
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}
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TEST_IMPL(barrier_3) {
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uv_thread_t thread;
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worker_config wc;
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memset(&wc, 0, sizeof(wc));
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ASSERT(0 == uv_barrier_init(&wc.barrier, 2));
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ASSERT(0 == uv_thread_create(&thread, worker, &wc));
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wc.main_barrier_wait_rval = uv_barrier_wait(&wc.barrier);
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ASSERT(0 == uv_thread_join(&thread));
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uv_barrier_destroy(&wc.barrier);
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ASSERT(1 == (wc.main_barrier_wait_rval ^ wc.worker_barrier_wait_rval));
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return 0;
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}
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