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Bug 1298661, let meta-stable state runnables run during sync loops, r=baku

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This commit is contained in:
Olli Pettay
2016-09-05 18:54:04 +03:00
parent 7ad517891d
commit f0930f685c
3 changed files with 42 additions and 5 deletions
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13
xpcom/base/CycleCollectedJSRuntime.cpp
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@@ -442,6 +442,7 @@ CycleCollectedJSRuntime::CycleCollectedJSRuntime()
, mPrevGCNurseryCollectionCallback(nullptr)
, mJSHolders(256)
, mDoingStableStates(false)
, mDisableMicroTaskCheckpoint(false)
, mOutOfMemoryState(OOMState::OK)
, mLargeAllocationFailureState(OOMState::OK)
{
@@ -1384,11 +1385,13 @@ CycleCollectedJSRuntime::AfterProcessTask(uint32_t aRecursionDepth)
ProcessMetastableStateQueue(aRecursionDepth);
// Step 4.1: Execute microtasks.
if (NS_IsMainThread()) {
nsContentUtils::PerformMainThreadMicroTaskCheckpoint();
Promise::PerformMicroTaskCheckpoint();
} else {
Promise::PerformWorkerMicroTaskCheckpoint();
if (!mDisableMicroTaskCheckpoint) {
if (NS_IsMainThread()) {
nsContentUtils::PerformMainThreadMicroTaskCheckpoint();
Promise::PerformMicroTaskCheckpoint();
} else {
Promise::PerformWorkerMicroTaskCheckpoint();
}
}
// Step 4.2 Execute any events that were waiting for a stable state.