X-Spam-Check-By: sourceware.org Message-ID: <43C3E833.8A6E1346@dessent.net> Date: Tue, 10 Jan 2006 09:00:35 -0800 From: Brian Dessent MIME-Version: 1.0 To: cygwin AT cygwin DOT com Subject: Re: vfork alternatives? References: Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Reply-To: cygwin AT cygwin DOT com Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , 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/