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From Dean Gaudet <dgaudet-list-new-ht...@arctic.org>
Subject Re: Linux 2.3.99/2.4 Heads Up
Date Wed, 22 Mar 2000 00:21:16 GMT
On Tue, 21 Mar 2000, Jim Jagielski wrote:

> Martin Pool wrote:
> > 
> > 
> > On Tue, 21 Mar 2000, Jim Jagielski wrote:
> > 
> > > I'm tending to think that no one should be using SysV IPC. Shared
> > > mem is pretty good, but the rest of the SysV stuff is amazingly
> > > strange.
> > 
> > It certainly is strange.  Is there any way to pass file descriptors
> > between processes aside from SysV IPC (and inheritance)?
> > 
> 
> Portably? It's tough. That's one of the things NCSA HTTPd was doing,
> so there might be some hints there. cmsg works for BSDish systems.
> SysV uses ioctl with I_SENDFD. Pretty hairy stuff from what I
> recall.

oh yeah, the NCSA HTTPd method was to open("/dev/$ppid/fd/$foo") in the
child.

Dean


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