Re: pgsql/src backend/tcop/postgres.c include/misc ... - Mailing list pgsql-committers

From Hiroshi Inoue
Subject Re: pgsql/src backend/tcop/postgres.c include/misc ...
Date
Msg-id 3C36824C.3C7ADE4@tpf.co.jp
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In response to pgsql/src backend/tcop/postgres.c include/misc ...  (tgl@postgresql.org)
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Tom Lane wrote:
>
> Hiroshi Inoue <Inoue@tpf.co.jp> writes:
> > Cancel interrupts are accepted at CHECK_FOR_INTERRUPTS
> > or while waiting for a lock.
> > Die interrupts are accepted at CHECK_FOR_INTERRUPTS or
> > at the time when they are received while interrupts
> > are allowed. Is my understanding right ?
>
> No, I don't think so.  Both types of interrupts can be honored during
> the signal handler only if ImmediateInterruptOK is true.  It is true
> *only* while waiting for a lock or while waiting for client input.

Oh I see. But this seems to change the behabior significantly
at least for die signals.

regards,
Hiroshi Inoue

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