Tomaz
From: Jan Hudec <bulb@ucw.cz> To: Tomaz Beltram <tomazb@hotmail.com> CC: ruxyz@yahoo.com, kernelnewbies@nl.linux.org Subject: Re: how to interrupt waiting for a semaphore after a timeout Date: Thu, 2 Oct 2003 10:12:08 +0200
On Mon, Sep 29, 2003 at 12:02:40 +0000, Tomaz Beltram wrote:
> I was looking for a more lightweight solution. I need timed semaphore down
> from within a kernel module. The idea was to substitute down() with
> down_interruptible() and check for the return value. I would then wake_up
> the waiting process from another thread after some time. Dynamic timers
> seem just perfect for this job. Obviously, I am not doing it the right way,
> as the process remains locked.
down_interruptible means it's interruptible with SIGNAL, so it returns only if signal_pending().
------------------------------------------------------------------------------- Jan 'Bulb' Hudec <bulb@ucw.cz>
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