| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Michael Paquier <michael(at)paquier(dot)xyz> |
| Cc: | Chris Travers <chris(dot)travers(at)adjust(dot)com>, pgsql-hackers(at)lists(dot)postgresql(dot)org |
| Subject: | Re: Proposal for Signal Detection Refactoring |
| Date: | 2018-09-21 04:52:18 |
| Message-ID: | 20180921045218.plds5jh7zyjoqvvq@alap3.anarazel.de |
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| Lists: | pgsql-hackers |
On 2018-09-21 13:46:11 +0900, Michael Paquier wrote:
> On Thu, Sep 20, 2018 at 03:08:34PM +0200, Chris Travers wrote:
> > So here's a small patch. I will add it for the next commit fest unless
> > anyone has any reason I shouldn't.
>
> - return InterruptPending && (QueryCancelPending || ProcDiePending);
> + return PENDING_INTERRUPT_LEVEL() >= QUERY_CANCEL;
>
> This is pretty similar to lock levels, where it is pretty hard to put a
> strict monotone hierarchy when it comes to such interruptions.
+1
Greetings,
Andres Freund
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