From 4c22564471e2724bcc62bc2c61ece796c946f16e Mon Sep 17 00:00:00 2001
From: Heikki Linnakangas <heikki.linnakangas@iki.fi>
Date: Wed, 12 Nov 2008 10:10:32 +0000
Subject: [PATCH] Fix off-by-one error in autovacuum shmem struct sizing. This
could lead to autovacuum worker sending SIGUSR1 signal to wrong process, per
Zou Yong's report.
Backpatch to 8.3.
---
src/backend/postmaster/autovacuum.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/src/backend/postmaster/autovacuum.c b/src/backend/postmaster/autovacuum.c
index fd1489947f0..c85ad81a8e9 100644
--- a/src/backend/postmaster/autovacuum.c
+++ b/src/backend/postmaster/autovacuum.c
@@ -55,7 +55,7 @@
*
*
* IDENTIFICATION
- * $PostgreSQL: pgsql/src/backend/postmaster/autovacuum.c,v 1.86 2008/11/03 19:03:41 alvherre Exp $
+ * $PostgreSQL: pgsql/src/backend/postmaster/autovacuum.c,v 1.87 2008/11/12 10:10:32 heikki Exp $
*
*-------------------------------------------------------------------------
*/
@@ -222,7 +222,7 @@ typedef enum
{
AutoVacForkFailed, /* failed trying to start a worker */
AutoVacRebalance, /* rebalance the cost limits */
- AutoVacNumSignals = AutoVacRebalance /* must be last */
+ AutoVacNumSignals /* must be last */
} AutoVacuumSignal;
/*-------------
--
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