mirror of
https://github.com/clementine-player/Clementine
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36 lines
959 B
C++
36 lines
959 B
C++
/* This file is part of Clementine.
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Copyright 2016, John Maguire <john.maguire@gmail.com>
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include "latch.h"
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#include "core/logging.h"
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CountdownLatch::CountdownLatch() : count_(0) {}
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void CountdownLatch::Wait() {
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QMutexLocker l(&mutex_);
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++count_;
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}
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void CountdownLatch::CountDown() {
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QMutexLocker l(&mutex_);
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Q_ASSERT(count_ > 0);
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--count_;
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if (count_ == 0) {
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emit Done();
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}
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}
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