Re: sleep builtin

[Noctambule]

Good morning !

On Monday, 6 April 2020 16:46, Thorsten Glaser  wrote:

> Salve Noctambule,
>
> > I have a question about sleep builtin. I'm writing a script and at the
> > end, I want it to simply wait for SIGINT (from user) or signals with
> > kill builtin.
>
> The normal way to terminate sleep is SIGALRM though, but SIGINT
> will most likely also work (try it out).

Yes, it does the trick. Thanks for SIGALRM, I didn't know that.

> > What is the maximum number of seconds that can be used with sleep ?
>
> This depends on your operating environment, specifically
> the fifth argument to the select(2) syscall.

Perfect ! Your help is valuable.

Regards

Re: sleep builtin

[Thorsten Glaser]

Salve Noctambule,

>I have a question about sleep builtin. I'm writing a script and at the
>end, I want it to simply wait for SIGINT (from user) or signals with
>kill builtin.

The normal way to terminate sleep is SIGALRM though, but SIGINT
will most likely also work (try it out).

>What is the maximum number of seconds that can be used with sleep ?

This depends on your operating environment, specifically
the fifth argument to the select(2) syscall.

bye,
//mirabilos
-- 
“It is inappropriate to require that a time represented as
 seconds since the Epoch precisely represent the number of
 seconds between the referenced time and the Epoch.”
-- IEEE Std 1003.1b-1993 (POSIX) Section B.2.2.2