Source/core/timing/MemoryInfo.cpp - Issue 794223003: Cheaper thread-safe atomic initialization of static references.

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Unified Diff: Source/core/timing/MemoryInfo.cpp

Issue 794223003: Cheaper thread-safe atomic initialization of static references. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: Created 5 years, 11 months ago

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Index: Source/core/timing/MemoryInfo.cpp

diff --git a/Source/core/timing/MemoryInfo.cpp b/Source/core/timing/MemoryInfo.cpp

index 26e957b51b77fa170ab78d3388b267b2623ff28c..d5466ee33fa0f79995d904e942063074d994c33c 100644

--- a/Source/core/timing/MemoryInfo.cpp

+++ b/Source/core/timing/MemoryInfo.cpp

@@ -58,8 +58,8 @@ public:

static HeapSizeCache& forCurrentThread()

{

- AtomicallyInitializedStatic(ThreadSpecific<HeapSizeCache>*, heapSizeCache = new ThreadSpecific<HeapSizeCache>);

- return **heapSizeCache;

+ AtomicallyInitializedStaticReference(ThreadSpecific<HeapSizeCache>, heapSizeCache, new ThreadSpecific<HeapSizeCache>);

+ return *heapSizeCache;

}

private:

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