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From: Rolf Campbell <rcampbell AT tropicnetworks DOT com>
Subject: Re: [ANNOUNCEMENT] Updated: cygwin-1.3.21-1
Date: Wed, 12 Mar 2003 18:02:22 -0500
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Message-ID: <b4oe8t$vmi$1@main.gmane.org>
References: <20030312173132 DOT C16261C221 AT redhat DOT com>
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In-Reply-To: <20030312173132.C16261C221@redhat.com>

Christopher Faylor wrote:
> I've made a new version of the Cygwin DLL and associated utilities
> available for download.  As usual, a list of what has changed is below.
> 
> - Fix setsid problem where processes did not correctly detach from a
>   console.  (Christopher Faylor)

I commonly run a compilation from within GNU Emacs.  I've never had any 
problems with this until I tried running 1.3.21-1.  I think it has to do 
with the changes to the console handling.

Here's a silly little program:
#include <stdlib.h>
#include <process.h>

int main(int numArgs, char** args)
{
   spawnl(_P_WAIT, "C:/cygwin/bin/ls", "C:/cygwin/bin/ls", NULL);
   return 0;
}


If I compile it without -mno-cygwin, then everything is fine (tried rxvt 
& emacs).
If it is compiled with -mno-cygwin, it still works fine in rxvt, but 
when run from within bash, within Emacs, it allocates a console, writes 
its stdout to that console, then closes it's console.

For a large compile, this means that 1000's of consoles are popping up 
and dissapearing, not only slowing things down, but also loosing the 
stdout from that non-cygwin app.

-Rolf



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