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// Copyright 2020 Google LLC
//
// 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
//
// https://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 PLATFORM_IMPL_SHARED_POSIX_MUTEX_H_
#define PLATFORM_IMPL_SHARED_POSIX_MUTEX_H_
#include <pthread.h>
#include "platform/api/mutex.h"
namespace location {
namespace nearby {
namespace posix {
class ABSL_LOCKABLE Mutex : public api::Mutex {
public:
Mutex();
~Mutex() override;
void Lock() ABSL_EXCLUSIVE_LOCK_FUNCTION() override;
void Unlock() ABSL_UNLOCK_FUNCTION() override;
private:
friend class ConditionVariable;
pthread_mutexattr_t attr_;
pthread_mutex_t mutex_;
};
} // namespace posix
} // namespace nearby
} // namespace location
#endif // PLATFORM_IMPL_SHARED_POSIX_MUTEX_H_