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// Copyright 2013 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 CONTENT_COMMON_SHARED_MEMORY_SEQLOCK_BUFFER_H_
#define CONTENT_COMMON_SHARED_MEMORY_SEQLOCK_BUFFER_H_
#include "content/common/one_writer_seqlock.h"
namespace content {
// This structure is stored in shared memory that's shared between the browser
// which does the hardware polling, and the consumers of the data,
// i.e. the renderers. The performance characteristics are that
// we want low latency (so would like to avoid explicit communication via IPC
// between producer and consumer) and relatively large data size.
//
// Writer and reader operate on the same buffer assuming contention is low, and
// contention is detected by using the associated SeqLock.
template<class Data>
class SharedMemorySeqLockBuffer {
public:
OneWriterSeqLock seqlock;
Data data;
};
} // namespace content
#endif // CONTENT_COMMON_SHARED_MEMORY_SEQLOCK_BUFFER_H_
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