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Bug 1405821 - Move microtask handling to CycleCollectedJSContext

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Tag UXP Issue #1344
This commit is contained in:
Gaming4JC 2020-01-22 19:28:33 -05:00 • committed by Roy Tam
commit fb6f6ec903
11 changed files with 100 additions and 84 deletions
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12
xpcom/base/CycleCollectedJSContext.cpp
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@ -79,6 +79,7 @@
#include "nsCycleCollectionParticipant.h"
#include "nsCycleCollector.h"
#include "nsDOMJSUtils.h"
#include "nsDOMMutationObserver.h"
#include "nsJSUtils.h"
#include "nsWrapperCache.h"
@ -438,6 +439,7 @@ CycleCollectedJSContext::CycleCollectedJSContext()
, mJSHolders(256)
, mDoingStableStates(false)
, mDisableMicroTaskCheckpoint(false)
, mMicroTaskLevel(0)
, mOutOfMemoryState(OOMState::OK)
, mLargeAllocationFailureState(OOMState::OK)
{
@ -1379,7 +1381,7 @@ CycleCollectedJSContext::AfterProcessTask(uint32_t aRecursionDepth)
// Step 4.1: Execute microtasks.
if (!mDisableMicroTaskCheckpoint) {
if (NS_IsMainThread()) {
nsContentUtils::PerformMainThreadMicroTaskCheckpoint();
PerformMainThreadMicroTaskCheckpoint();
Promise::PerformMicroTaskCheckpoint();
} else {
Promise::PerformWorkerMicroTaskCheckpoint();
@ -1659,6 +1661,14 @@ CycleCollectedJSContext::DispatchToMicroTask(already_AddRefed<nsIRunnable> aRunn
mPromiseMicroTaskQueue.push(runnable.forget());
}
void
CycleCollectedJSContext::PerformMainThreadMicroTaskCheckpoint()
{
MOZ_ASSERT(NS_IsMainThread());
nsDOMMutationObserver::HandleMutations();
}
void
CycleCollectedJSContext::EnvironmentPreparer::invoke(JS::HandleObject scope,
js::ScriptEnvironmentPreparer::Closure& closure)