lkml.org 
[lkml]   [2001]   [Feb]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: bidirectional named pipe?
> I've countless web searches and linux-kernel archives, but I haven't yet
> found the answer to my question.
>
> 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
> in the /tmp directory. Any client can then open("/tmp/pipename",
> O_RDWR|O_NDELAY) and gain access to the server. The pipe is bidirectional,
> so the client and server communicate on the same pipe. I support a number
> of clients on the single pipe using file-locking to prohibit from two
> clients from writing/reading at once.
>
> How can I do this under Linux? In SVR4 Unices, I just use pipe() as it's
> pipes are bidirectional, and I can attach a name with fattach(). In SVR3
> Unices, I go through a bunch of hacking using the "stream clone device --
> /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
> really don't want to use LiS (the Linux Streams) package, as I'd rather do
> something native and not be dependent on another module. Plus, I read
> somewhere that this was a poor way to do things.

How about use a unix socket instead of a named pipe.

--
Lab tests show that use of micro$oft causes cancer in lab animals
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:17    [from the cache]
©2003-2011 Jasper Spaans