On Oct 14 06:41, Dave Korn wrote: > Charles Wilson wrote: > > > If not, what sort of "not" is it? (a) possible, but nobody has had the > > time or inclination to implement (b) not possible on win32 (c) possible, > > but REALLY hard -- case (a) on steroids. > > Well, there's going to be DuplicateHandle involved in it, to copy the > underlying os handle into the new process, but that's going to be the > trivially easy bit. The real *tricky* part is likely going to be marshalling > the corresponding fhandler_* objects across process boundaries. That plus > there will probably be some required support to handle these fds and how they > interact across process groups, close-on-exec, fork and exec, etc., etc., - > all the usual tricky areas. > > You probably should have had another option: > > (d) Who knows? Not me, I've never scoped it out and maybe nobody has - the > obvious parts are easy to guess, but the unobvious parts are going to be where > all the complications arise.
It's more of an (e) possible, quite tricky, and a lot of work to get it right. Corinna -- Corinna Vinschen Please, send mails regarding Cygwin to Cygwin Project Co-Leader cygwin AT cygwin DOT com Red Hat -- Problem reports: http://cygwin.com/problems.html FAQ: http://cygwin.com/faq/ Documentation: http://cygwin.com/docs.html Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple
