> I think I fixed this in trunk revision 110318.  The problem was that
> the call to term_ntproc, as part of shutting down Emacs, deleted the
> critical sections used by the timer threads and by setitimer, so any
> call to setitimer after that would use an invalid critical section
> object.  I now make sure any calls to setitimer after deleting the
> critical sections will return immediately without doing anything.
>
>
The explanation seems fine. The experimentation too : I did a bootstrap
(64bits full optimization). It ran smoothly.

Great job.

Fabrice