Re: How to sleep a kernel thread?

From: Manfred Spraul (manfreds@colorfullife.com)
Date: Sat Jun 03 2000 - 13:25:06 EST

Next message: H. Peter Anvin: "Re: Does /var/shm still need to be mounted?"
Previous message: Karim Yaghmour: "Re: Linux 2.5 / 2.6 TODO (preliminary) ... LTT"
In reply to: Francis GALIEGUE: "Re: How to sleep a kernel thread?"
Next in thread: Matthew Dharm: "Re: How to sleep a kernel thread?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

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

- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.rutgers.edu Please read the FAQ at http://www.tux.org/lkml/

Next message: H. Peter Anvin: "Re: Does /var/shm still need to be mounted?"
Previous message: Karim Yaghmour: "Re: Linux 2.5 / 2.6 TODO (preliminary) ... LTT"
In reply to: Francis GALIEGUE: "Re: How to sleep a kernel thread?"
Next in thread: Matthew Dharm: "Re: How to sleep a kernel thread?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Wed Jun 07 2000 - 21:00:17 EST