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Merge remote-tracking branch 'origin/tracking' into custom

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roytam1 2024-01-09 12:01:14 +08:00
commit d4a80aa2c4
42 changed files with 538 additions and 364 deletions
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15
js/xpconnect/src/XPCJSContext.cpp
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@ -3485,21 +3485,6 @@ XPCJSContext::BeforeProcessTask(bool aMightBlock)
{
MOZ_ASSERT(NS_IsMainThread());
// If ProcessNextEvent was called during a Promise "then" callback, we
// must process any pending microtasks before blocking in the event loop,
// otherwise we may deadlock until an event enters the queue later.
if (aMightBlock) {
if (Promise::PerformMicroTaskCheckpoint()) {
// If any microtask was processed, we post a dummy event in order to
// force the ProcessNextEvent call not to block. This is required
// to support nested event loops implemented using a pattern like
// "while (condition) thread.processNextEvent(true)", in case the
// condition is triggered here by a Promise "then" callback.
NS_DispatchToMainThread(new Runnable());
}
}
// Start the slow script timer.
mSlowScriptCheckpoint = mozilla::TimeStamp::NowLoRes();
mSlowScriptSecondHalf = false;