Re: Cancel/Kill backend functions

From: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
To: Magnus Hagander <mha(at)sollentuna(dot)net>
Cc: Neil Conway <neilc(at)samurai(dot)com>, pgsql-patches(at)postgresql(dot)org
Subject: Re: Cancel/Kill backend functions
Date: 2004-05-26 18:50:28
Message-ID: 200405261850.i4QIoS602216@candle.pha.pa.us
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Magnus, would you please resumbit this as a context diff?

---------------------------------------------------------------------------

Magnus Hagander wrote:
> Okay, here is an updated patch. now uses IsBackendPid(), which is
> closely modeled (read cut-and-pasted) from TransactionIdIsInProgress().
>
> Since it's no longer a pgstat function, I moved it to "misc.c". Not 100%
> that's the right place either, but it seemed like the best alternative.
>
> //Magnus
>
>
> >-----Original Message-----
> >From: Neil Conway [mailto:neilc(at)samurai(dot)com]
> >Sent: den 22 maj 2004 10:00
> >To: Magnus Hagander
> >Cc: pgsql-patches(at)postgresql(dot)org
> >Subject: Re: [PATCHES] Cancel/Kill backend functions
> >
> >
> >Magnus Hagander wrote:
> >> Per previous discussions, here are two functions to send INT and TERM
> >> signals to other backends.They permit only INT and TERM, and permits
> >> sending only to postgresql backends (as registered in pgstat).
> >
> >Why does this depend on pgstat? ISTM it would be better to use the
> >per-backend PGPROC information, which is stored in shared memory.
> >Consider TransactionIdIsInProgress() for an example.
> >
> >-Neil
> >

Content-Description: termbackend.patch

[ Attachment, skipping... ]

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