Re: How to sleep a kernel thread?

From: Manfred Spraul (manfreds@colorfullife.com)
Date: Sat Jun 03 2000 - 14:25:06 EDT

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Francis GALIEGUE wrote:
>
> You may then use the normal sleep_on() and wake_up(), instead of
> interruptible_sleep_on() and wake_up_interruptible().

No!!!
Noone should use sleep_on() in new code. Avoid sleep_on(), there is one
special case where sleep_on is safe, but most users could lock up.

Either use wait_event(), or if you need a spinlock then build your own
wait_event_spinlock() function [see <linux/raid/md.h>].

-- Manfred

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