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Date:      Sat, 13 Mar 1999 16:16:46 +0000 (GMT)
From:      "Ben J. Cohen" <bjc23@hermes.cam.ac.uk>
To:        sporkl@ix.netcom.com
Cc:        questions@FreeBSD.ORG
Subject:   Re: Redirection of processes and of X clients
Message-ID:  <Pine.BSF.4.05.9903131614090.257-100000@bjc23.trin.cam.ac.uk>
In-Reply-To: <Pine.BSF.4.05.9903131107290.626-100000@nyc-ny77-30.ix.netcom.com>

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On Sat, 13 Mar 1999, Spike wrote:
>On Sat, 13 Mar 1999, Ben J. Cohen wrote:

>> Firstly, is it possible to change the terminal a program is attached to
>> while it is running?
>> 
>> For example, if I am running talk, is it possible to move the program from
>> ttyp2 to ttyv1 on the same machine (e.g. prior to shutting X down if I
>> don't want to lose the connection)?
>> 
>> I don't know how this might be achieved, but I know that if you have a
>> program in the background, kill -SIGCONT pid will make it run in the
>> foreground (in some sense).
>> However, I don't see how to apply this in the case where a program is
>> attached to a terminal.
>
>I don't believe what you want is at easily feasible. A process sent to the
>background is still attached to your terminal. What you want to do is set
>the STDIN, STDOUT, and STDERR file descriptors to a different terminal.
>Unless the program supports the ability to reassign its STD* file
>descriptors, I don't think you can do this. 

That is basically what I want to do.
Does the program which is being "moved" have to support the reassignment
or is it sufficient to get another program to do it?

Is there a program (or can one feasibly be written) which does this?  


Thanks,

Ben.



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