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fix deadlock at exit on SMP systems

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graph process-threads won't terminate properly while active.
This commit is contained in:
Robin Gareus 2015-08-11 20:21:44 +02:00
parent 212a4c1f8d
commit 2e38cb81fe
1 changed files with 11 additions and 1 deletions
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12
libs/ardour/audioengine.cc
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@ -863,10 +863,20 @@ AudioEngine::stop (bool for_latency)
return 0;
}
Glib::Threads::Mutex::Lock pl (_process_lock, Glib::Threads::NOT_LOCK);
if (running()) {
pl.acquire ();
}
if (_backend->stop ()) {
return -1;
}
if (pl.locked ()) {
pl.release ();
}
if (_session && _running &&
(_session->state_of_the_state() & Session::Loading) == 0 &&
(_session->state_of_the_state() & Session::Deletion) == 0) {