Re: [RFC] Driver writer's guide to sleeping

From: Denis Vlasenko
Date: Mon Jun 27 2005 - 10:14:22 EST


On Sunday 26 June 2005 22:38, Oliver Neukum wrote:
> Am Samstag, 25. Juni 2005 13:54 schrieb Denis Vlasenko:
> > On Saturday 25 June 2005 14:29, Oliver Neukum wrote:
> > > On Sat, 25 Jun 2005, Denis Vlasenko wrote:
> > >
> > > > schedule_timeout(timeout)
> > > > Whee, it has a comment! :)
> > > > * %TASK_UNINTERRUPTIBLE - at least @timeout jiffies are guaranteed to
> > > > * pass before the routine returns. The routine will return 0
> > [snip]
> > > > Thus:
> > > > set_current_state(TASK_[UN]INTERRUPTIBLE);
> > > > schedule_timeout(timeout_in_jiffies)
> > > >
> > > > msleep(ms)
> > > > Sleeps at least ms msecs.
> > > > Equivalent to:
> > > > set_current_state(TASK_UNINTERRUPTIBLE);
> > > > schedule_timeout(timeout)
> > >
> > > If and only if you are not on any waitqueue. You may not be interrupted
> > > by a signal, but you still can be woken with an explicit wake_up()
> >
> > Like this?
>
> Yes, but we have macros for that. You are supposed to use them.

Erm.. I meant "Shall we correct that comment then, like this?".
Comment is plain wrong now.
--
vda

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