Commit4c22564

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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'sreport.Backpatch to 8.3.

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Lines changed: 2 additions & 2 deletions

Original file line number	Diff line number	Diff line change
`@@ -55,7 +55,7 @@`
`55`	`55`	`*`
`56`	`56`	`*`
`57`	`57`	`* IDENTIFICATION`
`58`		`- * $PostgreSQL: pgsql/src/backend/postmaster/autovacuum.c,v 1.86 2008/11/03 19:03:41 alvherre Exp $`
	`58`	`+ * $PostgreSQL: pgsql/src/backend/postmaster/autovacuum.c,v 1.87 2008/11/12 10:10:32 heikki Exp $`
`59`	`59`	`*`
`60`	`60`	`*-------------------------------------------------------------------------`
`61`	`61`	`*/`
`@@ -222,7 +222,7 @@ typedef enum`
`222`	`222`	`{`
`223`	`223`	`AutoVacForkFailed,/* failed trying to start a worker */`
`224`	`224`	`AutoVacRebalance,/* rebalance the cost limits */`
`225`		`-AutoVacNumSignals=AutoVacRebalance/* must be last */`
	`225`	`+AutoVacNumSignals/* must be last */`
`226`	`226`	`}AutoVacuumSignal;`
`227`	`227`
`228`	`228`	`/*-------------`

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