pgsql: Fix off-by-one error in autovacuum shmem struct sizing.

From: heikki(at)postgresql(dot)org (Heikki Linnakangas)
To: pgsql-committers(at)postgresql(dot)org
Subject: pgsql: Fix off-by-one error in autovacuum shmem struct sizing.
Date: 2008-11-12 10:10:43
Message-ID: 20081112101043.3C9717545A4@cvs.postgresql.org
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Log Message:
-----------
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.

Tags:
----
REL8_3_STABLE

Modified Files:
--------------
pgsql/src/backend/postmaster:
autovacuum.c (r1.71.2.6 -> r1.71.2.7)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/backend/postmaster/autovacuum.c?r1=1.71.2.6&r2=1.71.2.7)

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