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List:       kde-core-devel
Subject:    Re: KProcess overhaul
From:       Oswald Buddenhagen <ossi () kde ! org>
Date:       2006-04-15 15:24:17
Message-ID: 20060415152417.GA13800 () ugly ! local
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On Sat, Apr 15, 2006 at 04:46:02PM +0200, Ralf Habacker wrote:
> >8. it should be able to connect multiple processes with each other,
> >without the parent process being involved past the process creation.
> >mkisofs|cdrecord type of things, you know.
> >  
> Isn't this the main task of inter process communication ussing pipes or 
> shared memory ?
>
this IS about using pipes. ;)
usually one uses the shell to construct a pipe (in the sense of multiple
connected processes), but this involves shell-specific quoting rules and
restrictions and wastes resources.

> >9. on unix, it should be able to deal with ptys
> >  
> Can you explain a non unix user for what this is good ?
>
pseudo-ttys ... the basis for terminal emulators and remote terminals
(except over serial lines, which are built into the kernel). a pty is
essentially a bi-directional pipe with an attached termios structure and
some glue around it.

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