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Date: Fri, 09 Feb 2001 18:31:59 -0600
From: "David L. Nicol" <dnicol@cstp.umkc.edu>
Organization: University of Missouri - Kansas City   supercomputing infrastructure
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To: "'linux-kernel@vger.kernel.org'" <linux-kernel@vger.kernel.org>
CC: "Miller, Brendan" <Brendan.Miller@Dialogic.com>
Subject: Re: bidirectional named pipe?
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According to the Understanding the Linux Kernel book I
plowed through yesterday afternoon the EXT2 file system
has a defined file type "socket," distinct from fifo.

How does one set up a named socket in a file system?  Is it
a legacy constant that has never been supported or what?





"David L. Nicol" wrote:
> 
> Alan Cox wrote:
> >
> > > I'm porting some software to Linux that requires use of a bidirectional,
> > > named pipe.  The architecture is as follows:  A server creates a named pipe
> >
> > Pipes are not bidirectional in Linux. We follow traditional non stream
> > behaviour
> >
> > > /dev/spx".  I experiemented with socket-based pipes under Linux, but I
> > > couldn't gain access to them by open()ing the name.  Is there help?  I
> >
> > AF_UNIX sockets are bidirectional but like all sockets use bind() and
> > connect().

> You could patch the file system code, I wonder how deep the changes would have
> to be, if you did it in terms of lots of fifos.
> 
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-- 
                      David Nicol 816.235.1187 dnicol@cstp.umkc.edu
                          "I don't care how they do it in New York"

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