gripes with samba -- debug behavior
Cole, Timothy D.
timothy_d_cole at md.northgrum.com
Tue Aug 17 14:49:06 GMT 1999
> -----Original Message-----
> From: Branko Cibej [SMTP:branko.cibej at hermes.si]
> Sent: Tuesday, August 17, 1999 10:32
> To: Multiple recipients of list SAMBA-TECHNICAL
> Subject: Re: gripes with samba -- debug behavior
>
> Marty Leisner wrote:
>
> > I have to do some more work using samba to reverse
> > engineer/confirm behavior of Micro$oft products...
> >
> > Ever since I was using samba (for the last 5 years), I hacked
> > it up to:
> > Not daemonize and log to stdout.
>
> I suppose an option to do that would be welcome, yes.
>
> I've been doing things a bit differently. Put a delay loop in the code:
>
> if (stop_here)
> {
> int d = 1;
> while (d)
> {
> d = d; /*here*/
> }
> }
>
> then attach to the process with the debugger, change the value of
> d /*here*/ and continue. The reason for this is that mostly you want
> to debug what's happening in the forked-off process that serves a
> client (machine or smbclient), and it seemed easier to attach to the
> process instead of starting Samba in the debugger; I've never been
> particularly fond of debugging through a fork()...
>
Why not just raise a SIGSTOP, rather than busy-waiting?
> I generally put this in two places:
>
> -- after the process turned daemon
> -- after the client's server was forked off.
>
> I can't think of many more places where this would be useful, anything
> else can be done with breakpoints in the debugger. I also didn't bother
> redirecting logging to std{out,err}, although that might be useful.
>
> > I just got the cvs version and looked at nmbd...
> >
> > (I'm happy the man page now mentions -D is not recommented).
> >
> > But the behavior:
> > if (!is_daemon && !is_a_socket(0))
> > {
> > DEBUG(0,("standard input is not a socket, assuming -D option\n"));
> > is_daemon = True;
> > }
> >
> > is pretty poor...
>
> This is more or less necessary if you want to start Samba
> via inetd, isn't it?
>
Isn't that usage depreciated anyway, though?
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