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Date: Wed, 11 Jul 2001 18:51:51 +0200
From: Corinna Vinschen <cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: 1.3.2 : Fork + Sleep = problem
Message-ID: <20010711185151.D29127@cygbert.vinschen.de>
Mail-Followup-To: cygwin AT cygwin DOT com
References: <3B4C1BF7 DOT 1807A0C7 AT aspen DOT mine DOT nu> <20010711131906 DOT K8578 AT cygbert DOT vinschen DOT de> <20010711 DOT 080113 DOT 96771529 DOT Takaaki DOT Ota AT am DOT sony DOT com>
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In-Reply-To: <20010711.080113.96771529.Takaaki.Ota@am.sony.com>; from Takaaki.Ota@am.sony.com on Wed, Jul 11, 2001 at 08:01:13AM -0700

On Wed, Jul 11, 2001 at 08:01:13AM -0700, Tak Ota wrote:
> On Wed, 11 Jul 2001 13:19:06 +0200, Corinna Vinschen <cygwin AT cygwin DOT com> wrote:
> 
> > Since you only fork() but never wait(), your children processes
> > become zombies. The zombie list per process is fixed to ... 64 entries.
> 
> Then why doesn't fork() start returning -1 when the number of zombie
> reaches maximum count?  And why does sleep get affected by this?

Since that's the flaw in Cygwin I mentioned. The effect to sleep() was
basically due to writing over an array boundary which has reproducably
hit another signal related variable.

Unfortunately you'll have to wait for 1.3.3 or take a developers
snapshot to get the fixed behaviour.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin AT cygwin DOT com
Red Hat, Inc.

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