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Issue #1442 - Part 12a - Allow idle worker shutdown to begin for an opt-in WorkerHolder mode. https://bugzilla.mozilla.org/show_bug.cgi?id=1362444 Pre-requisite for Part 13.

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Brian Smith 2023-09-28 17:34:54 -05:00 • committed by roytam1
commit 41216b88f6
4 changed files with 30 additions and 6 deletions
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15
dom/workers/WorkerPrivate.cpp
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@ -4154,6 +4154,7 @@ WorkerPrivate::WorkerPrivate(WorkerPrivate* aParent,
, mDebugger(nullptr)
, mJSContext(nullptr)
, mPRThread(nullptr)
, mNumHoldersPreventingShutdownStart(0)
, mDebuggerEventLoopLevel(0)
, mMainThreadEventTarget(do_GetMainThread())
, mErrorHandlerRecursionCount(0)
@ -5382,8 +5383,11 @@ WorkerPrivate::AddHolder(WorkerHolder* aHolder, Status aFailStatus)
MOZ_ASSERT(!mHolders.Contains(aHolder), "Already know about this one!");
if (mHolders.IsEmpty() && !ModifyBusyCountFromWorker(true)) {
return false;
if (aHolder->GetBehavior() == WorkerHolder::PreventIdleShutdownStart) {
if (!mNumHoldersPreventingShutdownStart && !ModifyBusyCountFromWorker(true)) {
return false;
}
mNumHoldersPreventingShutdownStart += 1;
}
mHolders.AppendElement(aHolder);
@ -5398,8 +5402,11 @@ WorkerPrivate::RemoveHolder(WorkerHolder* aHolder)
MOZ_ASSERT(mHolders.Contains(aHolder), "Didn't know about this one!");
mHolders.RemoveElement(aHolder);
if (mHolders.IsEmpty() && !ModifyBusyCountFromWorker(false)) {
NS_WARNING("Failed to modify busy count!");
if (aHolder->GetBehavior() == WorkerHolder::PreventIdleShutdownStart) {
mNumHoldersPreventingShutdownStart -= 1;
if (!mNumHoldersPreventingShutdownStart && !ModifyBusyCountFromWorker(false)) {
NS_WARNING("Failed to modify busy count!");
}
}
}