Understanding behavior of BlockedIndefinitelyOnMVar exception
Edward Z. Yang
ezyang at MIT.EDU
Mon Jul 25 04:07:32 CEST 2011
Excerpts from Felipe Almeida Lessa's message of Sun Jul 24 22:02:36 -0400 2011:
> Does anything change if you somehow force a GC sometime after "good2"?
> Perhaps with some calculation generating garbage, perhaps with
> performGC. IIRC, the runtime detects BlockedIndefinitelyOnMVar on GC.
> But I'm probably wrong =).
resurrectThreads is called after garbage collection on the list of
threads found to be garbage. Each of these threads will be woken
up and sent a signal: BlockedOnDeadMVar if the thread was blocked
on an MVar, or NonTermination if the thread was blocked on a Black
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