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Re: CYGWIN SERVER: Some questions


On Mon, Sep 03, 2001 at 03:55:26PM -0400, Christopher Faylor wrote:
> On Mon, Sep 03, 2001 at 05:42:51PM +0200, Corinna Vinschen wrote:
> >> How about mailboxes as the communication mechanism?  They share many
> >> of the characteristics of named pipes, I believe but *I think* they
> >> work on Windows 95.
> >
> >I'm not quite sure about the seriousness of this mail but if you
> >refer to mailslots... they are just a one-way mechanism to push
> >some data to another process. No real `communication' at all.
> 
> Oops.  Yes, I meant mail slots.  They are one directional, but so are
> pipes.  You just open one mail slot for each direction.  Or, you use it
> to synchronize a shared memory region.

Named pipes under NT can be bidirectional by giving the
PIPE_ACCESS_DUPLEX flag in call to CreateNamedPipe().

Mailslots have no security mechanism so they wouldn't be the
TL I would choose for NT/W2K/XP.

Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Developer                                mailto:cygwin@cygwin.com
Red Hat, Inc.


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