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148 lines
3.9 KiB
148 lines
3.9 KiB
/* 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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static void serial_worker(void* data) { |
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uv_barrier_t* barrier; |
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barrier = data; |
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if (uv_barrier_wait(barrier) > 0) |
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uv_barrier_destroy(barrier); |
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uv_sleep(100); /* Wait a bit before terminating. */ |
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} |
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/* Ensure that uv_barrier_wait returns positive only after all threads have |
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* exited the barrier. If this value is returned too early and the barrier is |
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* destroyed prematurely, then this test may see a crash. */ |
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TEST_IMPL(barrier_serial_thread) { |
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uv_thread_t threads[4]; |
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uv_barrier_t barrier; |
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unsigned i; |
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ASSERT(0 == uv_barrier_init(&barrier, ARRAY_SIZE(threads) + 1)); |
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for (i = 0; i < ARRAY_SIZE(threads); ++i) |
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ASSERT(0 == uv_thread_create(&threads[i], serial_worker, &barrier)); |
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if (uv_barrier_wait(&barrier) > 0) |
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uv_barrier_destroy(&barrier); |
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for (i = 0; i < ARRAY_SIZE(threads); ++i) |
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ASSERT(0 == uv_thread_join(&threads[i])); |
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return 0; |
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} |
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/* Single thread uv_barrier_wait should return correct return value. */ |
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TEST_IMPL(barrier_serial_thread_single) { |
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uv_barrier_t barrier; |
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ASSERT(0 == uv_barrier_init(&barrier, 1)); |
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ASSERT(0 < uv_barrier_wait(&barrier)); |
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uv_barrier_destroy(&barrier); |
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return 0; |
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}
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