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SubjectRe: [PATCH] Merge the Sonics Silicon Backplane subsystem
On Fri, 27 Jul 2007 21:43:59 +0200
Michael Buesch <mb@bu3sch.de> wrote:

> > Sure, but why is the locking interruptible rather than plain old
> > mutex_lock()?
>
> Hm, well. We hold this mutex for several seconds, as writing takes
> this long. So I simply thought it was worth allowing the waiter
> to interrupt here. If you say that's not an issue, I'll be happy
> to use mutex_lock() and reduce code complexity in this area.

So.. is that what the _interruptible() is for? To allow an impatient user to ^c
a read?

If so, that sounds reasonable. It's worth a comment explaining these decisions
to future readers, because it is hard to work out this sort of thinking just
from the bare C code.
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