On Fri, 19 Jan 2007, Sven Schreiber wrote:
Allin Cottrell schrieb:
> Ah, I see. But in that context you'd be better off with a flag to make
> the shell command execute synchronously, i.e. for gretl to wait just as
> long as is needed for the shell command to complete.
> (This might have some relevance to Sven's project too.)
I worried about that, too, but I have never had any problems so
far. And returning from the external call sometimes takes quite
a while, so I thought that synchronicity had been taken care of.
Duh! You're quite right. fork(), execl() and friends are a bit
of a mystery to me, but we were already waiting for the child to
exit on Linux. Now I just need to get that working on Windows.
Next questions: Is there a useful role for a non-waiting variant
of "!" on Linux? Which should be the default, waiting or