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output/Thread: re-lock the mutex after flush error 

Fixes deadlock due to mutex double lock.
This commit is contained in:
Max Kellermann 2018-01-29 22:30:56 +01:00
parent 6908555ed3
commit eb771eaf0d
1 changed files with 4 additions and 4 deletions
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8
src/output/Thread.cxx
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@ -379,11 +379,11 @@ PlayFull(FilteredAudioOutput &output, ConstBuffer<void> _buffer)
inline void
AudioOutputControl::InternalDrain() noexcept
{
const ScopeUnlock unlock(mutex);
try {
/* flush the filter and play its remaining output */
const ScopeUnlock unlock(mutex);
while (true) {
auto buffer = source.Flush();
if (buffer.IsNull())
@ -391,14 +391,14 @@ AudioOutputControl::InternalDrain() noexcept
PlayFull(*output, buffer);
}
output->Drain();
} catch (...) {
FormatError(std::current_exception(),
"Failed to flush filter on %s", GetLogName());
InternalCloseError(std::current_exception());
return;
}
output->Drain();
}
void