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Don't dispatch messages while waiting in worker thread in wxMSW.

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We only want to continue dispatching messages while waiting for another thread
to terminate if we are waiting in the main thread.

Closes #12618.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@65929 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2010-10-26 15:11:06 +00:00
parent bd63e363c2
commit ef0fdf3914
1 changed files with 6 additions and 5 deletions
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11
src/msw/app.cpp
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@ -235,11 +235,12 @@ bool wxGUIAppTraits::DoMessageFromThreadWait()
DWORD wxGUIAppTraits::WaitForThread(WXHANDLE hThread)
{
// if we don't have a running event loop, we shouldn't wait for the
// messages as we never remove them from the message queue and so we enter
// an infinite loop as MsgWaitForMultipleObjects() keeps returning
// WAIT_OBJECT_0 + 1
if ( !wxEventLoop::GetActive() )
// We only ever dispatch messages from the main thread and, additionally,
// even from the main thread we shouldn't wait for the message if we don't
// have a running event loop as we would never remove them from the message
// queue then and so we would enter an infinite loop as
// MsgWaitForMultipleObjects() keeps returning WAIT_OBJECT_0 + 1.
if ( !wxIsMainThread() || !wxEventLoop::GetActive() )
return DoSimpleWaitForThread(hThread);
return ::MsgWaitForMultipleObjects