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.
>From: Neil Conway [mailto:neilc(at)samurai(dot)com]
>Sent: den 22 maj 2004 10:00
>To: Magnus Hagander
>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.
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