I'm trying to debug a problem with my sound card, and I think my lack
of C knowledge is stopping me. When I run aplay, it takes as much cpu
as it can get and never comes back. Strace shows it is in a tight loop.
So far, I've found that the last call from the app is snd_pcm_writei.
Looking at alsa-lib, this is a wrapper (assertions for safety checks)
around _snd_pcm_writei - and there the trail stops.
What do I have to do to find the code for this function (or for any
other function beginning with an underscore) ? I seem to recall that
names beginning with underscores are special in some way, but that's the
limit of my knowledge.
TIA,
Ken
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