From: David Woodhouse <dwmw2@infradead.org>
To: root@chaos.analogic.com
Cc: Nicolas Bougues <nbougues-listes@axialys.net>,
Andries Brouwer <aebr@win.tue.nl>,
linux-kernel@vger.kernel.org
Subject: Re: Problems with wait queues
Date: Wed, 26 Jun 2002 22:49:30 +0100 [thread overview]
Message-ID: <2014.1025128170@redhat.com> (raw)
In-Reply-To: <Pine.LNX.3.95.1020626100928.25416A-100000@chaos.analogic.com>
For the benefit of any newcomers to the list who haven't clocked RBJ yet...
root@chaos.analogic.com said:
> I am sure that you can have things look correct as well as run
> properly. However, you didn't show us the code. You need to do
> something like:
> interruptible_sleep_on(&semaphore);
> while your wake-up occurs with:
> wake_up_interruptible(&semaphore);
Do not ever use sleep_on() and friends. Almost all usage of these
functions will be buggy.
--
dwmw2
next prev parent reply other threads:[~2002-06-26 21:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-06-26 10:32 Problems with wait queues Nicolas Bougues
2002-06-26 10:52 ` Andries Brouwer
2002-06-26 14:00 ` Nicolas Bougues
2002-06-26 14:17 ` Richard B. Johnson
2002-06-26 14:38 ` Nicolas Bougues
2002-06-26 21:49 ` David Woodhouse [this message]
2002-06-27 11:44 ` Richard B. Johnson
2002-06-27 12:36 ` Oliver.Neukum
2002-06-27 13:17 ` David Woodhouse
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