[PLUG] Named pipes

["Eric at Lucii.org" <eric@lucii.org>]

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I'm working on a program running in Linux that is written in Mono.  The program
creates an IPC server channel (named pipe) and listens for incoming
communications.  I notice that if I create a named pipe using mkfifo it looks
like this in the /tmp file system:

prw-r--r--  1 root root    0 2010-12-19 11:50 mkfifo-named-pipe

but when the program runs it creates an entry in the file system that looks like
this:

srw-rw-rw-  1 root root    0 2010-12-19 11:32 program-named-pipe

Sometimes it appears in the ls output as program-named-pipe=
(with a trailing "=".)  What kind of pipe is identified by a leading "s" instead
of "p"?

In any case, I cannot write to that program-named-pipe.
If I try like this:

echo "test" > program-named-pipe

I end up with a regular file by the same name.

Any ideas what I'm seeing?  Is this a different kind of named pipe or some
entirely different type of beast?

Thanks,
Eric
- -- 
#  Eric Lucas
#
#                "Oh, I have slipped the surly bond of earth
#                 And danced the skies on laughter-silvered wings...
#                                        -- John Gillespie Magee Jr
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