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/*
* Copyright 2015 Google 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.
*/
// Author: jmarantz@google.com (Joshua Marantz)
#ifndef PAGESPEED_KERNEL_UTIL_THREADSAFE_LOCK_MANAGER_H_
#define PAGESPEED_KERNEL_UTIL_THREADSAFE_LOCK_MANAGER_H_
#include <set>
#include "pagespeed/kernel/base/named_lock_manager.h"
#include "pagespeed/kernel/base/ref_counted_ptr.h"
#include "pagespeed/kernel/thread/scheduler.h"
namespace net_instaweb {
// Threadsafe wrapper for a non-threadsafe lock manager: MemLockManager.
class ThreadSafeLockManager : public NamedLockManager {
public:
explicit ThreadSafeLockManager(Scheduler* scheduler);
virtual ~ThreadSafeLockManager();
virtual NamedLock* CreateNamedLock(const StringPiece& name);
private:
class Lock;
class LockHolder;
typedef RefCountedPtr<LockHolder> LockHolderPtr;
LockHolderPtr lock_holder_;
};
} // namespace net_instaweb
#endif // PAGESPEED_KERNEL_UTIL_THREADSAFE_LOCK_MANAGER_H_