Thanks Alex,
I am trying to download a bunch of URLs in parallel and wait until all the
downloads have finished before proceeding. Calling (kill Pid 0) seems
reasonable.
Regards,
Kashyap
On Sat, May 11, 2019 at 11:24 AM Alexander Burger <a...@software-lab.de>
wrote:
> Hi Kashyap,
>
> > How can I wait for a forked child to finish in picoLisp?
>
> Unless you call wait() via 'native', there is no explicit interface to this
> system call.
>
> If you start the child via 'in', 'out', 'call' or 'pipe', the waiting is
> handled
> by PicoLisp internally for you.
>
> If you need to call 'fork', then you must wait "by hand", e.g. by calling
> (kill
> 0 Pid) in a loop, or check the return value of (kids).
>
> (if (fork)
> (let Pid @ # In parent
> (while (kill Pid 0)
> (wait 200) )
> #{Child terminated}# )
> # In child
> #{Child code}# )
>
> ☺/ A!ex
>
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