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Unified Diff: components/shared_memory_seqlock/shared_memory_seqlock_reader.h

Issue 1164563003: Extract device_sensors to /device via Mojofication (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years, 7 months ago
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Index: components/shared_memory_seqlock/shared_memory_seqlock_reader.h
diff --git a/content/renderer/shared_memory_seqlock_reader.h b/components/shared_memory_seqlock/shared_memory_seqlock_reader.h
similarity index 58%
rename from content/renderer/shared_memory_seqlock_reader.h
rename to components/shared_memory_seqlock/shared_memory_seqlock_reader.h
index 7fd7beb95bbcb951d82ac333d7fd75237eb060de..c8000b78c8b61d565aff9c72b09131bf512dd1bb 100644
--- a/content/renderer/shared_memory_seqlock_reader.h
+++ b/components/shared_memory_seqlock/shared_memory_seqlock_reader.h
@@ -2,28 +2,30 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-#ifndef CONTENT_RENDERER_SHARED_MEMORY_SEQLOCK_READER_H_
-#define CONTENT_RENDERER_SHARED_MEMORY_SEQLOCK_READER_H_
+#ifndef COMPONENTS_SHARED_MEMORY_SEQLOCK_SHARED_MEMORY_SEQLOCK_READER_H_
+#define COMPONENTS_SHARED_MEMORY_SEQLOCK_SHARED_MEMORY_SEQLOCK_READER_H_
#include "base/logging.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/shared_memory.h"
-#include "content/common/shared_memory_seqlock_buffer.h"
+#include "components/shared_memory_seqlock/shared_memory_seqlock_buffer.h"
-namespace content {
+namespace shared_memory_seqlock {
namespace internal {
-class SharedMemorySeqLockReaderBase {
+class SharedMemorySeqLockReaderBase {
protected:
SharedMemorySeqLockReaderBase();
virtual ~SharedMemorySeqLockReaderBase();
- void* InitializeSharedMemory(
- base::SharedMemoryHandle shared_memory_handle,
- size_t buffer_size);
+ void* InitializeSharedMemory(base::SharedMemoryHandle shared_memory_handle,
+ size_t buffer_size);
- bool FetchFromBuffer(content::OneWriterSeqLock* seqlock, void* final,
- void* temp, void* from, size_t size);
+ bool FetchFromBuffer(shared_memory_seqlock::OneWriterSeqLock* seqlock,
+ void* final,
+ void* temp,
+ void* from,
+ size_t size);
static const int kMaximumContentionCount = 10;
base::SharedMemoryHandle renderer_shared_memory_handle_;
@@ -34,23 +36,23 @@ class SharedMemorySeqLockReaderBase {
// Template argument Data should be a pod-like structure only containing
// data fields, such that it is copyable by memcpy method.
-template<typename Data>
+template <typename Data>
class SharedMemorySeqLockReader
: private internal::SharedMemorySeqLockReaderBase {
public:
- SharedMemorySeqLockReader() : buffer_(0) { }
- virtual ~SharedMemorySeqLockReader() { }
+ SharedMemorySeqLockReader() : buffer_(0) {}
+ virtual ~SharedMemorySeqLockReader() {}
bool GetLatestData(Data* data) {
DCHECK(buffer_);
DCHECK(sizeof(*data) == sizeof(*temp_buffer_));
return FetchFromBuffer(&buffer_->seqlock, data, temp_buffer_.get(),
- &buffer_->data, sizeof(*temp_buffer_));
+ &buffer_->data, sizeof(*temp_buffer_));
}
bool Initialize(base::SharedMemoryHandle shared_memory_handle) {
if (void* memory = InitializeSharedMemory(
- shared_memory_handle, sizeof(SharedMemorySeqLockBuffer<Data>))) {
+ shared_memory_handle, sizeof(SharedMemorySeqLockBuffer<Data>))) {
buffer_ = static_cast<SharedMemorySeqLockBuffer<Data>*>(memory);
temp_buffer_.reset(new Data);
return true;
@@ -65,6 +67,6 @@ class SharedMemorySeqLockReader
DISALLOW_COPY_AND_ASSIGN(SharedMemorySeqLockReader);
};
-} // namespace content
+} // namespace shared_memory_seqlock
-#endif // CONTENT_RENDERER_SHARED_MEMORY_SEQLOCK_READER_H_
+#endif // COMPONENTS_SHARED_MEMORY_SEQLOCK_SHARED_MEMORY_SEQLOCK_READER_H_

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