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Diffstat (limited to 'chromium/base/memory/discardable_memory_malloc.h')
-rw-r--r-- | chromium/base/memory/discardable_memory_malloc.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/chromium/base/memory/discardable_memory_malloc.h b/chromium/base/memory/discardable_memory_malloc.h new file mode 100644 index 00000000000..7729ce5c49b --- /dev/null +++ b/chromium/base/memory/discardable_memory_malloc.h @@ -0,0 +1,35 @@ +// Copyright 2014 The Chromium Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. + +#ifndef BASE_MEMORY_DISCARDABLE_MEMORY_MALLOC_H_ +#define BASE_MEMORY_DISCARDABLE_MEMORY_MALLOC_H_ + +#include "base/memory/discardable_memory.h" + +namespace base { +namespace internal { + +class DiscardableMemoryMalloc : public DiscardableMemory { + public: + explicit DiscardableMemoryMalloc(size_t size); + virtual ~DiscardableMemoryMalloc(); + + bool Initialize(); + + // Overridden from DiscardableMemory: + virtual DiscardableMemoryLockStatus Lock() OVERRIDE; + virtual void Unlock() OVERRIDE; + virtual void* Memory() const OVERRIDE; + + private: + scoped_ptr<uint8, FreeDeleter> memory_; + const size_t size_; + + DISALLOW_COPY_AND_ASSIGN(DiscardableMemoryMalloc); +}; + +} // namespace internal +} // namespace base + +#endif // BASE_MEMORY_DISCARDABLE_MEMORY_MALLOC_H_ |