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Re: [PATCH1/2] Use spawn() on Cygwin

From: Eli Zaretskii
Subject: Re: [PATCH1/2] Use spawn() on Cygwin
Date: Sat, 03 Aug 2013 11:16:44 +0300

> Date: Fri, 2 Aug 2013 22:49:31 -0400
> From: Christopher Faylor <address@hidden>
> On Tue, Jul 30, 2013 at 08:02:54PM +0300, Eli Zaretskii wrote:
> >> Date: Tue, 30 Jul 2013 11:52:58 -0500
> >> From: Norbert Thiebaud <address@hidden>
> >> Cc: Pavel Fedin <address@hidden>, address@hidden
> >> 
> >> fork() is a very expensive operation in cygwin.
> >
> >Yes, I know.  But without it, some things that are expected of a Posix
> >behavior will not work.  A notable example is that the child process
> >initially has all the file descriptors and global variables that the
> >parent had.  'spawn' does not necessarily guarantee that.
> Thank you Eli.  This is my reservation about this change too.  I
> maintain the make package for Cygwin and if I have reservations, you can
> be sure that it won't make it into the released version.

And, btw, I think there's a thread on the Cygwin list just now about
one such problem.

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