void
Promise::PerformWorkerMicroTaskCheckpoint()
{
MOZ_ASSERT(!NS_IsMainThread(), "Wrong thread!");
CycleCollectedJSContext* context = CycleCollectedJSContext::Get();
for (;;) {
// For a normal microtask checkpoint, we try to use the debugger microtask
// queue first. If the debugger queue is empty, we use the normal microtask
// queue instead.
std::queue<nsCOMPtr<nsIRunnable>>* microtaskQueue =
&context->GetDebuggerPromiseMicroTaskQueue();
if (microtaskQueue->empty()) {
microtaskQueue = &context->GetPromiseMicroTaskQueue();
if (microtaskQueue->empty()) {
break;
}
}
nsCOMPtr<nsIRunnable> runnable = microtaskQueue->front().forget();
MOZ_ASSERT(runnable);
// This function can re-enter, so we remove the element before calling.
microtaskQueue->pop();
nsresult rv = runnable->Run();
if (NS_WARN_IF(NS_FAILED(rv))) {
return;
}
context->AfterProcessMicrotask();
}
}
bool
Promise::PerformMicroTaskCheckpoint()
{
MOZ_ASSERT(NS_IsMainThread(), "Wrong thread!");
CycleCollectedJSContext* context = CycleCollectedJSContext::Get();
// On the main thread, we always use the main promise micro task queue.
std::queue<nsCOMPtr<nsIRunnable>>& microtaskQueue =
context->GetPromiseMicroTaskQueue();
if (microtaskQueue.empty()) {
return false;
}
AutoSlowOperation aso;
do {
nsCOMPtr<nsIRunnable> runnable = microtaskQueue.front().forget();
MOZ_ASSERT(runnable);
// This function can re-enter, so we remove the element before calling.
microtaskQueue.pop();
nsresult rv = runnable->Run();
if (NS_WARN_IF(NS_FAILED(rv))) {
return false;
}
aso.CheckForInterrupt();
context->AfterProcessMicrotask();
} while (!microtaskQueue.empty());
return true;
}
