On Mon, Sep 3, 2012 at 7:07 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Amit Kapila <amit.kap...@huawei.com> writes:
>>> 8. PQcancel needs some work - it can't do what it does now, but it could
>>> do kill(conn->postgres_pid, SIGINT) instead.  At least in Unix.  I have no
>>> idea what we'd do in Windows.  This doesn't matter for pg_upgrade of course,
>>> but it'd be important for manual use of this mode.
>> Can pgkill(int pid, int sig) API of PG be used to achieve the same on
>> Windows.
> Hmm, after looking at src/port/kill.c it doesn't seem like there's much
> of a problem with doing that.  I had had the idea that our kill
> emulation only worked within the backend environment, but of course
> pg_ctl wouldn't work if that were so.  So this is easier than I thought.

Yeah, kill works fine from non-backend as long as the *receiver* has
our backend environment.

 Magnus Hagander
 Me: http://www.hagander.net/
 Work: http://www.redpill-linpro.com/

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