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// Copyright 2014 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 SYZYGY_AGENT_ASAN_MEMORY_NOTIFIERS_NULL_MEMORY_NOTIFIER_H_
#define SYZYGY_AGENT_ASAN_MEMORY_NOTIFIERS_NULL_MEMORY_NOTIFIER_H_
#include "base/logging.h"
#include "syzygy/agent/asan/memory_notifier.h"
namespace agent {
namespace asan {
namespace memory_notifiers {
// Dummy notifier, useful to test objects relying on a memory notifier.
class NullMemoryNotifier : public MemoryNotifierInterface {
public:
// Constructor.
NullMemoryNotifier() { }
// Virtual destructor.
virtual ~NullMemoryNotifier() { }
// @name MemoryNotifierInterface implementation.
// @{
virtual void NotifyInternalUse(const void* address, size_t size) { }
virtual void NotifyFutureHeapUse(const void* address, size_t size) { }
virtual void NotifyReturnedToOS(const void* address, size_t size) { }
// @}
private:
DISALLOW_COPY_AND_ASSIGN(NullMemoryNotifier);
};
} // namespace memory_notifiers
} // namespace asan
} // namespace agent
#endif // SYZYGY_AGENT_ASAN_MEMORY_NOTIFIERS_NULL_MEMORY_NOTIFIER_H_