linux-kernel - Re: [PATCH] Return value from schedule()

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Message-ID: <20080904174845.GN2772@parisc-linux.org>
Date:	Thu, 4 Sep 2008 11:48:45 -0600
From:	Matthew Wilcox <matthew@....cx>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Peter Zijlstra <peterz@...radead.org>,
	Linus Torvalds <torvalds@...l.org>,
	Andrew Morton <akpm@...l.org>,
	Ben Hutchings <bhutchings@...arflare.com>,
	Jesse Barnes <jbarnes@...tuousgeek.org>,
	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	linux-pci@...r.kernel.org,
	Stephen Hemminger <shemminger@...tta.com>
Subject: Re: [PATCH] Return value from schedule()

On Thu, Sep 04, 2008 at 10:30:49AM -0700, Arjan van de Ven wrote:
> use schedule_hrtimerout() for this (hopefully will be in 2.6.28);
> see this weeks LWN for an article describing it

OK, so something like:

	struct timespec ts = { 0, 10 * 1000 };

	set_task_state(TASK_INTERRUPTIBLE);
	schedule_hrtimeout(&ts, HRTIMER_MODE_REL);
	if (fatal_signal_pending())
		return -EINTR;

should do the trick.

-- 
Matthew Wilcox				Intel Open Source Technology Centre
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."
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