Re: How do I make process wait on child or kill ?

From: Alex Fraser (me_at_privacy.net)
Date: 03/29/05 

Date: Mon, 28 Mar 2005 23:17:16 +0100

<codefixer@gmail.com> wrote in message
news:1112038977.162287.250140@o13g2000cwo.googlegroups.com...
> I have a situation where I have to handle the following scenario.
> The main() must wait for child to complete or the main() must kill the
> child after 3 seconds and exit.

A quick hack is to use nanosleep()/waitpid(WNOHANG) in a loop. Better but
slightly more complex solutions include using SIGALRM to detect the timeout
(blocking on waitpid()) or SIGCHLD to detect the child's termination
(blocking on nanosleep()).

Alex

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