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

From: Christopher Faylor
Subject: Re: [PATCH1/2] Use spawn() on Cygwin
Date: Sat, 3 Aug 2013 13:54:57 -0400
User-agent: Mutt/1.5.20 (2009-06-14)

On Sat, Aug 03, 2013 at 11:16:44AM +0300, Eli Zaretskii wrote:
>> 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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