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- // Licensed to the Apache Software Foundation (ASF) under one
- // or more contributor license agreements. See the NOTICE file
- // distributed with this work for additional information
- // regarding copyright ownership. The ASF licenses this file
- // to you under the Apache License, Version 2.0 (the
- // "License"); you may not use this file except in compliance
- // with the License. You may obtain a copy of the License at
- //
- // http://www.apache.org/licenses/LICENSE-2.0
- //
- // Unless required by applicable law or agreed to in writing,
- // software distributed under the License is distributed on an
- // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
- // KIND, either express or implied. See the License for the
- // specific language governing permissions and limitations
- // under the License.
- // Date: 2016/06/03 13:25:44
- #include <gtest/gtest.h>
- #include <bthread/countdown_event.h>
- #include "butil/atomicops.h"
- #include "butil/time.h"
- namespace {
- struct Arg {
- bthread::CountdownEvent event;
- butil::atomic<int> num_sig;
- };
- void *signaler(void *arg) {
- Arg* a = (Arg*)arg;
- a->num_sig.fetch_sub(1, butil::memory_order_relaxed);
- a->event.signal();
- return NULL;
- }
- TEST(CountdonwEventTest, sanity) {
- for (int n = 1; n < 10; ++n) {
- Arg a;
- a.num_sig = n;
- a.event.reset(n);
- for (int i = 0; i < n; ++i) {
- bthread_t tid;
- ASSERT_EQ(0, bthread_start_urgent(&tid, NULL, signaler, &a));
- }
- a.event.wait();
- ASSERT_EQ(0, a.num_sig.load(butil::memory_order_relaxed));
- }
- }
- TEST(CountdonwEventTest, timed_wait) {
- bthread::CountdownEvent event;
- int rc = event.timed_wait(butil::milliseconds_from_now(100));
- ASSERT_EQ(rc, ETIMEDOUT);
- event.signal();
- rc = event.timed_wait(butil::milliseconds_from_now(100));
- ASSERT_EQ(rc, 0);
- bthread::CountdownEvent event1;
- event1.signal();
- rc = event.timed_wait(butil::milliseconds_from_now(1));
- ASSERT_EQ(rc, 0);
- }
- } // namespace
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