FreeTDS Development Group

["Lowden, James K" <james.k.lowden AT alliancebernstein.com>]

> From: ZIGLIO, Frediano, VF-IT
> Sent: Wednesday, November 29, 2006 2:52 AM
> 
> > My system does not have an 'ident' command;
> >     The system is;
> >             Red Hat Enterprise Linux ES release 3 (Taroon
> >             Update 8) Kernel 2.4.21-20.ELsmp on an i686
> > 
> > The ident tag line in the source is;
> >     TDS_RCSID(var, "$Id: net.c,v 1.37 2005/12/05 06:01:59
> >     freddy77 Exp $");
> > 
> > Chris
> 
> I think problem is in
>
http://freetds.cvs.sourceforge.net/freetds/freetds/src/tds/net.c?r1=1.39
> &r2=1.40 Perhaps select get a negative time for some reasons.

Chris, Thanks.  I was looking at the wrong revision.  (No ident(1)?
'Tis a pity.)

Freddy, Could you remind me, please, why we need tds_gettime_ms()?  It
seems to me that time(3) is good enough and very standard.  

But I don't think that's the problem.  Chris is getting EINVAL from
connect(2), before getting the time or calling select(2).  Between 1.39
and 1.40, no code changed before the call to connect(2).  (If we do keep
tds_gettime_ms(), we should test the return code from clock_gettime(2)
and, on error, call gettimeofday(2) instead, if available.) 

Chris, my only idea right now is that you try each successive revision
of tds_open_socket() from CVS, starting with 1.37 (just to make sure it
works) and marching forward until it fails.  You can download them from
SourceForge or with CVS.  Then we can see exactly when when it stopped
working for you.  And no, I'm sorry, but I can't offer any anesthesia.  

If Frediano proves correct and 1.40 is in fact the problematic revision,
I'd be interested in the output of this command:

$ grep TIME  include/config.h
#define HAVE_CLOCK_GETTIME 1
/* #undef HAVE_FUNC_LOCALTIME_R_INT */
#define HAVE_FUNC_LOCALTIME_R_TM 1
/* #undef HAVE_GETHRTIME */
#define HAVE_GETTIMEOFDAY 1
#define HAVE_SYS_TIME_H 1
#define TDS_GETTIMEMILLI_CONST CLOCK_MONOTONIC
#define TIME_WITH_SYS_TIME 1
/* #undef TM_IN_SYS_TIME */

because preprocessor macros with 'TIME' control the behavior of
src/tds/util.c::tds_gettime_ms(). 

Yours in puzzlement, 

--jkl

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