[erlang-questions] Unix domain sockets

[Michael McDaniel]

  http://www.nabble.com/erlang-port-and-C-executable-td20631442.html


On Mon, Mar 30, 2009 at 05:04:59PM -0700, Sargun Dhillon wrote:
> Apparently this doesn't work for character or block devices, see here:
> [running beam as root]
> 1> FOut = file:open("/dev/net/tun", [read, write]).
> {error,eisdir}
> 2> FOut1 = file:open("/dev/net/tun", [read, write, raw]).
> {error,eisdir}
> 3> FOut3 = file:open("/dev/sda", [read, write, raw]).
> {error,eisdir}
> 4> FOut3 = file:open("/dev/sda", [read, write]).
> {error,eisdir}
> 
> lucifer ~ # ls -l /dev/net/tun
> crw-rw-rw- 1 root root 10, 200 Mar 30 16:51 /dev/net/tun
> lucifer ~ # ls -l /dev/sda
> brw-r----- 1 root disk 8, 0 Mar 30 09:27 /dev/sda
> 
> Any ideas on how to read this? Do I need to break out a port driver?
> 
> 2009/3/8 Antoine Koener <antoine.koener@REDACTED>:
> > And what about the support for NamedPipes on windows ?
> > Anyone with experience ?
> > On Fri, Mar 6, 2009 at 3:24 AM, Richard Andrews <bbmaj7@REDACTED> wrote:
> >>
> >> IIRC there was a UNIX socket project in jungerl too.
> >>
> >>
> >>
> >>
> >> > There's an example driver for unix domain sockets under
> >> > $OTP_ROOT/lib/kernel/examples/uds_dist/
> >> >
> >> > (It's still there in R13A-0, BTW.)
> >> >
> >> > It used to be documented in the Interoperability Tutorial, but
> >> > I think they've switched to a different example now.
> >>
> >>
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> >
> >
> >
> > --
> >
> > http://easyerl.blogspot.com/
> > http://www.open-tools.org/
> >

-- 
Michael McDaniel
Portland, Oregon, USA
http://trip.autosys.us
http://autosys.us
http://mmcdaniel.com/erlview