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// Copyright 2016 Google Inc. All rights reserved
//
// Licensed 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.
#ifndef MUTEX_H_
#define MUTEX_H_
#include <pthread.h>
class mutex {
public:
explicit mutex();
~mutex();
void lock();
void unlock();
private:
pthread_mutex_t mu_;
friend class condition_variable;
};
template<class T> class unique_lock {
public:
explicit unique_lock(T& mu)
: mu_(mu) {
mu_.lock();
}
~unique_lock() {
mu_.unlock();
}
T* mutex() const { return &mu_; }
private:
T& mu_;
};
#endif // MUTEX_H_
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