On Mon, Jan 27, 2014 at 06:19:34PM +0100, Jeroen Demeyer wrote:
> On 2014-01-27 15:13, Georgi Guninski wrote:
> >On Mon, Jan 27, 2014 at 03:07:00PM +0100, Jeroen Demeyer wrote:
> >>On 2014-01-27 14:35, Jeroen Demeyer wrote:
> >>>Use cancel_alarm(). I agree this should be documented in alarm().
> >>
> >>This is now http://trac.sagemath.org/ticket/15743 and needs review.
> >>
> >
> >May I ask you to allow alarm(0) again since other people
> >might use it too?
> 
> The problem is that I didn't want to define alarm(x) for small
> values of x.  The question becomes more difficult if you need to
> think about what
> 
> alarm(0.0)
> 
> and
> 
> alarm(1e-300)
> 
> should do.
>


I see.

You have a problem and you broke my code, 
f.cking backward compatibility, make me
fix it.

On linux:
$man alarm

If seconds is zero, no new alarm() is scheduled.
In any event any previously set alarm() is canceled.


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