Re: How to abort a read from a socket after some time?

[Basile Starynkevitch]

On 1/21/24 19:34, Maxim Cournoyer wrote:
> Hi Tomas,
>
> Tomas Volf <~@wolfsden.cz> writes:
>
> > Hello,
> >
> > I am trying to figure out how to abort a read from a socket after some time
> > elapses.  I failed to figure out how to do so.
>
> If the reason you want to abort reading from a socket is because the
> socket may not be ready, you could use select(2), which has a timeout
> value.
>
> See man 2 select or the corresponding 'select' procedure documented in
> the Guile Reference manual.

The poll(2) system call (for details see
https://man7.org/linux/man-pages/man2/poll.2.html ....) could be 
preferred, and has a simpler timeout (milliseconds). It also can deal 
with more (or few, but numerically bigger) file descriptors than select.

So I suggest using poll, not select.

Regards

--
Basile Starynkevitch             <basile@starynkevitch.net>
(only mine opinions / les opinions sont miennes uniquement)
92340 Bourg-la-Reine, France
web page: starynkevitch.net/Basile/
See https://github.com/RefPerSys/RefPerSys