From: Shaya Potter <spotter@cs.columbia.edu>
To: "David S. Miller" <davem@redhat.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: file descriptor passing (jail related question)
Date: 19 Jul 2002 18:35:24 -0400 [thread overview]
Message-ID: <1027118130.2635.128.camel@zaphod> (raw)
In-Reply-To: <20020719.145324.122050429.davem@redhat.com>
thanks, that AF_UNIX bit was what I needed to find it in stevens.
shaya potter
On Fri, 2002-07-19 at 17:53, David S. Miller wrote:
>
> From: Shaya Potter <spotter@cs.columbia.edu>
> Date: 19 Jul 2002 17:58:07 -0400
>
> How does file descriptor passing work. From what I can tell it uses the
> sendmsg and recvmsg calls. Is this only process to process over a non
> ip socket on the same machine (what's the right terminology for this,
> just a plain FIFO?), or could one conceivably pass a file descriptor
> over an ip socket?
>
> File descriptors can only be passed over AF_UNIX sockets.
> These are like fancy FIFO's on the local host using the
> socket APIs for the communication and synchronization.
next prev parent reply other threads:[~2002-07-19 22:32 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-07-19 21:58 Shaya Potter
2002-07-19 21:53 ` David S. Miller
2002-07-19 22:35 ` Shaya Potter [this message]
2002-07-29 11:37 ` Bill Davidsen
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