[mythtv] Re:Possible bug fix for backend freeze.

[Mark Frey]

>> Lastly, could someone do a sanity check and tell me if there's something
>> I'm missing, is there some other way for that availWaitMutex to get
>> released in the backend case?
>
>Have you never heard of a read/write lock before?
>
>Isaac

Ahhh, pthreads are new to me, so embarrassingly, no. I see how it works now.
Sorry for the noise.

-Mark