> Hi,
>
> I failed to find the original message from Sebastian that led to the
> following change:
>
> -----
> 2005-11-09  Philippe Gerum  <[EMAIL PROTECTED]>
>
>         * nucleus/pipe.c (xnpipe_disconnect): Flush the output queue
>         upon closure. Issue spotted by Sebastian Smolorz.
>         (xnpipe_release): Flush the input queue upon closure.
> -----

https://mail.gna.org/public/xenomai-core/2005-11/msg00058.html

The problem was here that after a RT task and a Linux user space program had 
closed both ends of the pipe the contents remained in the pipe. So when the 
pipe was opened again the old content was read.

Sebastian

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