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Properly lock condVar, add timeout condition to prevent infinite loop when waiting for fillClipboard() to finish

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This commit is contained in:
Nye Liu 2015-09-03 12:09:35 -07:00 committed by Xinyu Hou
parent 6c11de6a22
commit 0d310a8464
1 changed files with 12 additions and 2 deletions
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14
src/lib/client/Client.cpp
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@ -283,8 +283,16 @@ Client::leave()
&Client::sendClipboardThread,
NULL));
// Bug #4735 - we can't leave() until fillClipboard()s all finish
while (!m_condData)
m_condVar->wait();
Stopwatch timer(true);
m_mutex->lock();
while (!m_condData) {
m_condVar->wait(timer, 0.5);
if (timer.getTime()>0.5) {
LOG((CLOG_DEBUG "timed out waiting for clipboard fill"));
break;
}
}
m_mutex->unlock();
m_screen->leave();
@ -791,8 +799,10 @@ Client::sendClipboardThread(void * data)
}
// signal that fill is done
m_mutex->lock();
m_condData = true;
m_condVar->signal();
m_mutex->unlock();
// send clipboards that we own and that have changed
for (ClipboardID id = 0; id < kClipboardEnd; ++id) {