Parallel Tasks

[david nicol]

Jonathan Hutchins wrote:

> " If n is not given, all currently active child  processes
> are  waited for, and the return status is zero."
> 
> So it's not necessary to add a "wait" for each process, one wait covers all
> of them.  I'm not clear on how you would specify a process to wait for, as
> you'd have to determine it's PID, but I don't care right now, and I know
> I've seen code to check for a PID.

Hmm.  You are right.  I had interpreted that passage of the man page
incorrectly.