k.j.wierenga@home.nl: "[icecast-dev] why is there a timeout in _accept_connection (icecast/src/connection.c)"

[Michael Smith]

"k.j.wierenga at home.nl" <k.j.wierenga at home.nl> said:

> Sorry for replying in this way, I can send to the list ok, but I can't seem
> to subscribe to the list. majordomo doesn't accept my email address as a
> valid address (k.j.wierenga at home.nl
> 
> > This is primarily to allow clean shutdown to proceed normally. The CPU
> load is 
> > nominal - I doubt you'd be able to measure it. However, if you want to
> change 
> > this timeout, it's safe - but if you increase it beyond a few seconds, 
> > shutdown will take an excessively long time. This won't be changed in the 
> > standard version of icecast (though if you can give a convincing reason
> to 
> > increase it slightly, I might). 
> >
> > Mike 
> 
> Can you explain in a bit more detail why the shutdown would take so long?
> There are other ways to get the code to break out of the select/poll system
> call. A user defined signal springs to mind... Then select/poll would
> return -1 and errno would be set to EINTR. You can then simply ignore this
> error and go around the loop.
> 

Getting signals to work right - reliably AND portably - in a multithreaded
program is difficult at best. If you want to contribute a patch, I'd be happy
to accept it, but I'm not going to do it for a theoretical (almost certainly
unmeasurable) reduction in cpu usage.

Mike

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