Re: bidirectional named pipe?

David L. Nicol (dnicol@cstp.umkc.edu)
Fri, 09 Feb 2001 18:31:59 -0600


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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