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#6251 Attempt to fix Windows event loop hang

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This commit is contained in:
Andrew Nelless
2018-03-18 20:50:26 +00:00
committed by GitHub
parent a2929a7920
commit 4a3a5d5b0f
1 changed files with 5 additions and 3 deletions
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8
src/lib/platform/MSWindowsEventQueueBuffer.cpp
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@@ -62,7 +62,7 @@ MSWindowsEventQueueBuffer::waitForEvent(double timeout)
// MsgWaitForMultipleObjects() will block even if the queue isn't
// empty if the messages in the queue were there before the last
// call to GetMessage()/PeekMessage().
if (HIWORD(GetQueueStatus(QS_ALLINPUT)) != 0) {
if (HIWORD(GetQueueStatus(QS_ALLPOSTMESSAGE)) != 0) {
return;
}
@@ -79,12 +79,14 @@ MSWindowsEventQueueBuffer::waitForEvent(double timeout)
// cancellation but that's okay because we're run in the main
// thread and we never cancel that thread.
HANDLE dummy[1];
MsgWaitForMultipleObjects(0, dummy, FALSE, t, QS_ALLINPUT);
MsgWaitForMultipleObjects(0, dummy, FALSE, t, QS_ALLPOSTMESSAGE);
}
IEventQueueBuffer::Type
MSWindowsEventQueueBuffer::getEvent(Event& event, UInt32& dataID)
{
// NOTE: QS_ALLINPUT was replaced with QS_ALLPOSTMESSAGE.
//
// peek at messages first. waiting for QS_ALLINPUT will return
// if a message has been sent to our window but GetMessage will
// dispatch that message behind our backs and block. PeekMessage
@@ -128,7 +130,7 @@ MSWindowsEventQueueBuffer::addEvent(UInt32 dataID)
bool
MSWindowsEventQueueBuffer::isEmpty() const
{
return (HIWORD(GetQueueStatus(QS_ALLINPUT)) == 0);
return (HIWORD(GetQueueStatus(QS_ALLPOSTMESSAGE)) == 0);
}
EventQueueTimer*