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Improve the recently-added libpq events code to provide more consistent

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guarantees about whether event procedures will receive DESTROY events.
They no longer need to defend themselves against getting a DESTROY
without a successful prior CREATE.

Andrew Chernow
This commit is contained in:
Tom Lane
2008-09-19 16:40:40 +00:00
parent 7626f2a936
commit e2b7d0c65c
4 changed files with 53 additions and 31 deletions
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3
src/interfaces/libpq/libpq-events.c
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@@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-events.c,v 1.1 2008/09/17 04:31:08 tgl Exp $
* $PostgreSQL: pgsql/src/interfaces/libpq/libpq-events.c,v 1.2 2008/09/19 16:40:40 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@@ -76,6 +76,7 @@ PQregisterEventProc(PGconn *conn, PGEventProc proc,
return FALSE;
conn->events[conn->nEvents].passThrough = passThrough;
conn->events[conn->nEvents].data = NULL;
conn->events[conn->nEvents].resultInitialized = FALSE;
conn->nEvents++;
regevt.conn = conn;