linux-kernel - Re: timeout = 1 millisecond for wait_event

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Message-ID: <29495f1d0703051006k7b4c7ad1uaa7e85cbccb96f1b@mail.gmail.com>
Date:	Mon, 5 Mar 2007 10:06:56 -0800
From:	"Nish Aravamudan" <nish.aravamudan@...il.com>
To:	Mockern@...dex.ru
Cc:	linux-kernel@...r.kernel.org
Subject: Re: timeout = 1 millisecond for wait_event_timeout

On 3/5/07, Mockern <Mockern@...dex.ru> wrote:
> Hi,
>
> I have a question. How can I make timeout = 1 millisecond for wait_event_timeout
> function?
>
> Something like (HZ/1000)*x?

You mean in a HZ-independent way?

Use msecs_to_jiffies().

Note, that if HZ==1000, you can do wait_event-( , ,0); and you will
get as close to 1 millisecond as possible (there are no guarantees for
schedule_timeout(), the underlying function to wait_event_timeout()).

Thanks,
Nish
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