Re: [configure.ac/uClinux] Adding code for fork/vfork?

[Bob Friesenhahn]

On Fri, 15 Apr 2011, Mike Frysinger wrote:
> > The sole purpose of vfork is to immediately invoke exec()  Any other
> > purpose is forbidden.  In what case would an exit even be required?
>
> ignoring the fact that Linux allows many many more things to safely happen in
> the child of a vfork, what exactly are you supposed to do when that exec fails
> and returns ?  or you pray it never does ?

Apparently I would pray.  Of course exec could fail and it is 
then necessary to invoke _exit(2).

This was a temporary brain malfunction on my part.  All better now.

Regardless, using posix_spawn() or posix_spawnp() is a better solution 
now if one does not need the full-fledged fork().

Bob
--
Bob Friesenhahn
address@hidden, http://www.simplesystems.org/users/bfriesen/
GraphicsMagick Maintainer,    http://www.GraphicsMagick.org/