[mythtv] [PATCH] security update for realtime priority

[Doug Larrick]

Matt Zimmerman wrote:
> Also, the setuid(getuid()) should be the first thing after setting the
> capabilities.  True, the privileged thread shouldn't actually do anything
> until after the process has dropped its uid, but it's good practice to do it
> as early as possible for safety with future code changes.  This also avoids
> any ambiguity with threads and uid changes.

That didn't work for me.  Didn't have permission to do the 
pthread_setschedparam.  I think dropping root also drops the capability.

-Doug
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