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Date: Thu, 02 Nov 2000 15:22:35 +0100
From: Corinna Vinschen <vinschen AT redhat DOT com>
Reply-To: cygwin <cygwin AT sources DOT redhat DOT com>
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To: cygwin <cygwin AT sources DOT redhat DOT com>
Subject: Re: AW: Starting Programms in the background
References: <Pine DOT SO4 DOT 4 DOT 05 DOT 10011021136160 DOT 2996-100000 AT irz1 DOT informatik DOT uni-kl DOT de>
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Bjoern Kahl AG Resy wrote:
> 
> On Thu, 2 Nov 2000, Corinna Vinschen wrote:
> 
> > klaus DOT berndl AT sdm DOT de wrote:
> > > > > How can this be avoided, means how to exit bash regardless
> > > > of any still running background programs?
> 
> > You're right, it happens on NT as well when starting
> > background processes from the console window. This does not happen when
> > starting background processes from a remote session via telnet/ssh.
> > Unfortunately you can't start GUI processes from a remote session.
> 
>  Hi!
> 
>  Just tried it too:
> 
>  bash exits cleanly, but the console-window stays open.
>  (Tried
>   bash> knews &
>   <Ctrl-D>
> 
>   -> "ps" doesnt show the bash any longer,
>      "knews" PPID get set to "1")
> 
>  Question:
>  How to disconnect from controlling terminal under cygwin?
>  There seems no ioctl defined to do that. (looked for some weeks ago).

	setsid(2)

>  Maybe the console-window goes away, if a small wrapper is used, that
>  disconnects from controlling tty and closes all io-channels to the
>  terminal (stdin,stdout,stderr), then exec()s the real app.

That doesn't help in the console window, only in remote sessions.
The daemons already do that and nohup(1) - which is that wrapper -
doesn't help either in the console window.

I'm somewhat surprised. I'm using remote sessions all the time and
I'm starting my daemons as services so I didn't realize that problem
in NT before.

Corinna

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

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