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Message-ID: <04f601c0e9d2$21217a60$0200a8c0@lifelesswks>
From: "Robert Collins" <robert DOT collins AT itdomain DOT com DOT au>
To: "cygdev" <cygwin-developers AT cygwin DOT com>
References: <20010531124452 DOT G1870 AT cygbert DOT vinschen DOT de> <041801c0e9c0$23a3e4b0$0200a8c0 AT lifelesswks> <20010531145957 DOT H1870 AT cygbert DOT vinschen DOT de>
Subject: Re: [RFD]: Egor's proposal for a Cygwin server process
Date: Thu, 31 May 2001 23:03:46 +1000
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----- Original Message -----
From: "Corinna Vinschen" <vinschen AT redhat DOT com>
>
> > Most importantly: I think that the daemon interface needs a
some-what fo
> > rmal API for us in the peanut gallery that want to be able to add
calls
> > to it in the future.
>
> Yep, that's too. But be aware that the interface to the server
> process is only meant to be used INSIDE of Cygwin. For example,
> the `seteuid()' call could be implemented as a call to the
> server in future:
>
> int
> seteuid (uid_t uid)
> {
>   if (os_being_run == winNT)
>     {
>       cygsrv_message msg;
>       msg.set_message_type (CYGSRV_SETEUID);
>       msg.add_ulong_parameter (uid);
>       msg.call_cygwin_server ();
>       return msg.get_int_result ();
>     }
>   ...
> }

I presume you use NT only there because seteuid was your example?

> and the cygsrv_message class would implement the actual protocol.

And the interface to that is an API. Sure it's a private API, but all
the same it's an API. Thats what I'm suggesting should be clearly
setout. (Not necessarily on day 1, but before I get back into IPC :])

Rob

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