X-Spam-Check-By:	sourceware.org
Message-ID:	<43C3E833.8A6E1346@dessent.net>
Date:	Tue, 10 Jan 2006 09:00:35 -0800
From:	Brian Dessent <brian AT dessent DOT net>
MIME-Version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: vfork alternatives?
References:	<Pine DOT CYG DOT 4 DOT 58 DOT 0601101036490 DOT 1280 AT PC1163-8460-XP DOT flightsafety DOT com>
X-IsSubscribed:	yes
Reply-To:	cygwin AT cygwin DOT com
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

Brian Ford wrote:

> We have an application that mmaps a *huge* MAP_PRIVATE|MAP_ANON virtual
> address scratch space.  It also needs to occasionally fork/exec a sub
> process.  Unfortunately, the time and virtual memory required for Cygwin
> to copy this region to the forked child just so it can throw it away and
> do an exec is prohibitive if it's even possible.

How about the the spawn*() family of functions?

Brian


--
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple
Problem reports:       http://cygwin.com/problems.html
Documentation:         http://cygwin.com/docs.html
FAQ:                   http://cygwin.com/faq/

- Raw text -