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Date: Fri, 31 Mar 2006 11:06:16 +0200 (CEST)
From: Sascha Lucas <sascha.lucas@rus.uni-stuttgart.de>
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] OT: bash scripting: implement uninterruptable
 sleep
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Hi,

On Tue, 28 Mar 2006, Richard Fish wrote:

> On 3/28/06, Sascha Lucas <sascha.lucas@rus.uni-stuttgart.de> wrote:
>> I have a shell script and want a uninterruptable sleep. /usr/bin/sleep
>> itself seems to have its own signal handlers. How is it possible to sleep
>> uninterruptable?
>
> trap "echo 'Ctrl+C should not work'" INT
> now=`date +%s`
> expires=$(( $now + 10 ))
> while test $now -lt $expires; do
>    sleep $(( $expires - $now ))
>    now=`date +%s`
> done

excellent! take system time and loop sleep until time is over.

Thanks,

Sascha.
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