CA-379971: Ensure ParallelAction
is not waiting on _lock
when no actions are running
#3244
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One could also fix this by not running actions as soon as the
EnqueueAction
is called (or maybe callingMonitor.Wait
before the actions have started), but I didn't want to touch a lot of this code and potentially add new issues.The issue we're fixing here is that there is a chance that all actions have completed before we hit the
Wait
call, we need to make sure we don't hit a deadlock.This can happen if for instance there is only one action, and it is a "dummy" action, such as the one used in the EUA check.
Also I have removed the compound assignment for the
volatile _completedActionsCount
since Visual Studio was flagging it as a "suspicious usage of a volatile variable". I personally don't think it's a problem but better safe than sorry.Contains minor whitespace fixes, too