Re: [gentoo-user] OT: bash scripting: implement uninterruptable sleep

2006-03-31 Thread Sascha Lucas 

Hi,

On Tue, 28 Mar 2006, Richard Fish wrote:


On 3/28/06, Sascha Lucas <[EMAIL PROTECTED]> 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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Re: [gentoo-user] OT: bash scripting: implement uninterruptable sleep

2006-03-28 Thread Richard Fish 
On 3/28/06, Sascha Lucas <[EMAIL PROTECTED]> wrote:
> Hi List,
>
> 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

-Richard

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