Mailing-List: contact cygwin-help@sourceware.cygnus.com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@sourceware.cygnus.com Delivered-To: mailing list cygwin@sourceware.cygnus.com Date: Wed, 19 Jan 2000 11:01:55 -0500 From: Chris Faylor To: Jason Moxham Cc: cygwin@sourceware.cygnus.com Subject: Re: bug in execl Message-ID: <20000119110155.B4922@cygnus.com> Reply-To: cygwin@sourceware.cygnus.com Mail-Followup-To: Jason Moxham , cygwin@sourceware.cygnus.com References: <200001191222.MAA06611@malus.soton.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii X-Mailer: Mutt 1.0i In-Reply-To: <200001191222.MAA06611@malus.soton.ac.uk>; from jlm@maths.soton.ac.uk on Wed, Jan 19, 2000 at 12:22:13PM +0000 On Wed, Jan 19, 2000 at 12:22:13PM +0000, Jason Moxham wrote: > > > Bug in execl() > --------------- > > Under B20.1+gcc-2.95.2 running on NT/98 under a "dos" window (not bash) > > prog1.exe consists of > > {signal(SIGHUP,SIG_IGN); > //some stuff > execl("prog2.exe","prog2.exe",argv[1],argv[2],argv[3],0); > return 0;} > > prog2.exe consists of > > {signal(SIGHUP,SIG_IGN); > // stuff > return 0;} > > I pretty sure the details of the program don't matter > > No problem running it , however using task manager on NT we see that > when prog2.exe is running , prog1.exe is still there when it should be > overwriten . > > So a series of execl calls could easily fill up all memory , when the > only memory required is for the program currently executing Sorry. That's the best we can do when emulating exec on Windows. If you run this under bash or sh you should note that this behavior does not occur. cgf -- Want to unsubscribe from this list? Send a message to cygwin-unsubscribe@sourceware.cygnus.com