> -----Original Message-----
> From: Mikheev, Vadim
>
> > I think we'd be lots better off to abandon the notion that we can exit
> > directly from the SIGTERM interrupt handler, and instead treat SIGTERM
> > the same way we treat QueryCancel: set a flag that is inspected at
> > specific places where we know we are in a good state.
> >
> > Comments?
>
> This will be much cleaner.
>
Hmm, CancelQuery isn't so urgent an operation currently.
For example, VACUUM checks QueryCancel flag only
once per table.
Regards.
Hiroshi Inoue