Jeff Davis wrote:
"SIGINT -- The server disallows new connections and sends all existing
server processes SIGTERM, which will cause them to abort their current
transactions and exit promptly."
http://www.postgresql.org/docs/8.3/static/server-shutdown.html
If you have an open COPY and no data is moving, it simply won't
terminate it. You can terminate it with ctrl-C from psql, but not a
SIGINT to the postmaster or a SIGINT or SIGTERM to the backend.
Tracking and grepping for pq_get* functions, there's one more place that
does a blocking read like that: reading the function oid and args in a
fastpath function call. Using v2 protocol. That has got to be deprecated
enough to not worry about :-). Then again, it wouldn't be hard to put
set ImmediateInterruptOK there as well, for the sake of completeness.
--
Heikki Linnakangas
EnterpriseDB http://www.enterprisedb.com
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