Files
nearby/cpp/platform/synchronized.h
T
Alexey Polyudov de31c27947 Initial public release of nearby library
Signed-off-by: Alexey Polyudov <apolyudov@google.com>
Change-Id: I85d490e448375aa4eb7b09680757c02fff1420b4
2020-05-04 13:16:51 -07:00

41 lines
1.2 KiB
C++

// 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_SYNCHRONIZED_H_
#define PLATFORM_SYNCHRONIZED_H_
#include "platform/api/lock.h"
#include "platform/ptr.h"
namespace location {
namespace nearby {
// An RAII mechanism to acquire a Lock over a block of code.
//
// https://docs.oracle.com/javase/tutorial/essential/concurrency/syncmeth.html
// https://docs.oracle.com/javase/tutorial/essential/concurrency/locksync.html
class Synchronized {
public:
explicit Synchronized(Ptr<Lock> lock) : lock_(lock) { lock_->lock(); }
~Synchronized() { lock_->unlock(); }
private:
Ptr<Lock> lock_;
};
} // namespace nearby
} // namespace location
#endif // PLATFORM_SYNCHRONIZED_H_