YugabyteDB (2.13.0.0-b42, bfc6a6643e7399ac8a0e81d06a3ee6d6571b33ab)

// Copyright (c) YugaByte, Inc.

//

// 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 YB_UTIL_DEBUG_LOCK_DEBUG_H

#define YB_UTIL_DEBUG_LOCK_DEBUG_H

#include "yb/gutil/thread_annotations.h"

namespace yb {

class NonRecursiveSharedLockBase {

 public:

  explicit NonRecursiveSharedLockBase(void* mutex);

  ~NonRecursiveSharedLockBase();

 protected:

  void* mutex() const {

    return mutex_;

  }

 private:

  void* mutex_;

  NonRecursiveSharedLockBase* next_;

};

template<class Mutex>

class SCOPED_CAPABILITY NonRecursiveSharedLock : public NonRecursiveSharedLockBase {

 public:

  explicit NonRecursiveSharedLock(Mutex& mutex) ACQUIRE_SHARED(mutex) // NOLINT

      : NonRecursiveSharedLockBase(&mutex) {

    mutex.lock_shared();

  }

  ~NonRecursiveSharedLock() RELEASE() {

    static_cast<Mutex*>(mutex())->unlock_shared();

  }

};

}  // namespace yb

#endif  // YB_UTIL_DEBUG_LOCK_DEBUG_H