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CEventLoop: Skip over null events in the queue.

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Added some FIXME's about correctness issues in nested event loop exiting.
This commit is contained in:
Andreas Kling 2019-07-21 10:17:20 +02:00
parent d2b521f0ab
commit 98b569a702
Notes: sideshowbarker 2024-07-19 13:06:58 +09:00
1 changed files with 8 additions and 2 deletions
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10
Libraries/LibCore/CEventLoop.cpp
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@ -110,8 +110,13 @@ void CEventLoop::pump(WaitMode mode)
events = move(m_queued_events);
}
for (auto& queued_event : events) {
for (int i = 0; i < events.size(); ++i) {
auto& queued_event = events.at(i);
auto* receiver = queued_event.receiver.ptr();
if (!queued_event.event) {
dbg() << "CEventLoop: FIXME: Null event in queue.";
continue;
}
auto& event = *queued_event.event;
#ifdef CEVENTLOOP_DEBUG
dbgprintf("CEventLoop: %s{%p} event %u\n", receiver->class_name(), receiver, (unsigned)event.type());
@ -122,7 +127,7 @@ void CEventLoop::pump(WaitMode mode)
ASSERT_NOT_REACHED();
return;
default:
dbgprintf("Event type %u with no receiver :(\n", event.type());
dbg() << "Event type " << event.type() << " with no receiver :(";
}
} else if (event.type() == CEvent::Type::DeferredInvoke) {
#ifdef DEFERRED_INVOKE_DEBUG
@ -135,6 +140,7 @@ void CEventLoop::pump(WaitMode mode)
if (m_exit_requested) {
LOCKER(m_lock);
// FIXME: Shouldn't we only prepend the events that haven't been processed yet?
m_queued_events.prepend(move(events));
return;
}