From: "Fernan Bolando" <fernanbolando@mailc.net>
To: "Fans of the OS Plan 9 from Bell Labs" <9fans@9fans.net>
Subject: [9fans] mounting plumber from p9p to 9vx
Date: Mon, 24 Nov 2008 13:42:49 +0800 [thread overview]
Message-ID: <1d5d51400811232142i335bff42vcf3ac153347800bb@mail.gmail.com> (raw)
Hi all
How do I mount my p9p plumber on to my 9vx session?
The background. I am using plumber as a simple dynamic loading
mechanism to extend my haskell interpreter. I wrote a few simple C
programs that read from one of plumber ports.
This is how it works
1. Haskell sends a request to calculate a very complex math via file
IO to /mnt/plumb/send
2. plumber reads the message and launches a C-code handler to the
specific problem.
3. handler will send an ACK to plumber and then proceeds to do the calculation.
4. Haskell waits on the /mnt/plumb/retval untill it gets a message.
The retval can be the result of a calculation or an error code. I want
to try moving the handler on to p9p and see if it works that way too.
fernan
--
http://www.fernski.com
next reply other threads:[~2008-11-24 5:42 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-24 5:42 Fernan Bolando [this message]
2008-11-24 18:10 ` Russ Cox
2009-03-05 5:47 ` Tom Lieber
2009-03-05 16:30 ` Russ Cox
2009-03-05 17:19 ` Tom Lieber
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