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Re: Emacs can't start-process more than 30~40 processes


On Jul 29 19:25, Christopher Faylor wrote:
> On Wed, Jul 29, 2009 at 03:32:28PM +0800, Haojun Bao wrote:
> >Christopher Faylor <cgf-use-the-mailinglist-please@cygwin.com> writes:
> >
> >> On Tue, Jul 28, 2009 at 10:52:44AM +0800, Haojun Bao wrote:
> >>>I have debugged it again, and I think I have more clue. I have read the
> >>>how-cygheap-works.txt, and this might be a known problem.
> >>>[...]
> >> it is a "small" number then something is wrong and we're allocating too
> >> much of the cygheap.  The cygheap was always supposed to be relatively
> >> small.  Maybe we're abusing it too much in 1.7.
> >
> >There are quite some fds. In start-process, emacs will allocate 1 PTY
> >and 1 pipe for each process it starts.
> 
> Yes, I assumed that there were a bunch of fds but I was looking for an
> exact number rather than "quite some".  I can't give exact details about
> how to find the number now but I thought that since you were looking at
> the code it wouldn't be too hard to figure this value out.
> 
> Anyway, Corinna has a stopgap fix for this which will probably show up
> in a 1.7.0-* release sometime soon.

The stopgap fix is in 1.7.0-53.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

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