Re: [RFC] libgfortran dll i/o redirection lossage caused by order-of-termination issue

[Corinna Vinschen <corinna-cygwin at cygwin dot com>]

On Jul 30 08:49, Dave Korn wrote:
> Christopher Faylor wrote:
> > On Wed, Jul 29, 2009 at 10:38:04AM +0200, Corinna Vinschen wrote:
> >> On Jul 29 05:29, Dave Korn wrote:
> >>> 1- Ship it!  Commit it as it stands, dll_global_dtors is idempotent so it
> >>> doesn't matter if it gets called again during ES_GLOBAL_DTORS.
> >>>
> >>> 2- Remove ES_GLOBAL_DTORS, because we believe that the outcome of the various
> >>> standards is that dtors only get run if you exit() and not if you _exit() or
> >>> abort().
> >>>
> >>> 3- ????
> >>>
> >>>
> >>>   I guess we ought to look at #2, but that's going to require a bunch more
> >>> testing.
> >> That should be the right thing to do, given the semantics of _exit.
> >> The fflush calls in the dtors of the fortran lib is a fine example.
> > 
> > I agree that #2 seems like the direction we should be moving in.  However,
> > if Dave doesn't have time to do more testing then maybe we should just go
> > with #1 for 1.7.1?
> 
>   I got knocked off the air for most of the day yesterday by a corrupted
> registry hive(*), but I managed to get that built.  How about I run some
> testsuites over the weekend and we'll see if anything anomalous crops up, and
> make a decision on Monday?

I agree with both of you.  #2 is preferred, but if you don't feel
comfortable, we drop back to #1, ok?


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat