Remove an unused variable "waitingForSignal". From Qingqing Zhou.

Neil Conway · Neil Conway · commit ea208aca0044 · 2005-04-15T04:18:10.000Z
diff --git a/src/backend/storage/lmgr/proc.c b/src/backend/storage/lmgr/proc.c
@@ -8,7 +8,7 @@
  *
  *
  * IDENTIFICATION
- *	  $PostgreSQL: pgsql/src/backend/storage/lmgr/proc.c,v 1.156 2004/12/31 22:01:05 pgsql Exp $
+ *	  $PostgreSQL: pgsql/src/backend/storage/lmgr/proc.c,v 1.157 2005/04/15 04:18:10 neilc Exp $
  *
  *-------------------------------------------------------------------------
  */
@@ -74,7 +74,6 @@ static PROC_HDR *ProcGlobal = NULL;
 static PGPROC *DummyProcs = NULL;
 
 static bool waitingForLock = false;
-static bool waitingForSignal = false;
 
 /* Mark these volatile because they can be changed by signal handler */
 static volatile bool statement_timeout_active = false;
@@ -962,9 +961,7 @@ CheckDeadLock(void)
 void
 ProcWaitForSignal(void)
 {
-	waitingForSignal = true;
 	PGSemaphoreLock(&MyProc->sem, true);
-	waitingForSignal = false;
 }
 
 /*
@@ -978,7 +975,6 @@ void
 ProcCancelWaitForSignal(void)
 {
 	PGSemaphoreReset(&MyProc->sem);
-	waitingForSignal = false;
 }
 
 /*

Original file line number	Diff line number	Diff line change
`@@ -8,7 +8,7 @@`
`8`	`8`	`*`
`9`	`9`	`*`
`10`	`10`	`* IDENTIFICATION`
`11`		`- * $PostgreSQL: pgsql/src/backend/storage/lmgr/proc.c,v 1.156 2004/12/31 22:01:05 pgsql Exp $`
	`11`	`+ * $PostgreSQL: pgsql/src/backend/storage/lmgr/proc.c,v 1.157 2005/04/15 04:18:10 neilc Exp $`
`12`	`12`	`*`
`13`	`13`	`*-------------------------------------------------------------------------`
`14`	`14`	`*/`
`@@ -74,7 +74,6 @@ static PROC_HDR *ProcGlobal = NULL;`
`74`	`74`	`static PGPROC *DummyProcs = NULL;`
`75`	`75`
`76`	`76`	`static bool waitingForLock = false;`
`77`		`-static bool waitingForSignal = false;`
`78`	`77`
`79`	`78`	`/* Mark these volatile because they can be changed by signal handler */`
`80`	`79`	`static volatile bool statement_timeout_active = false;`
`@@ -962,9 +961,7 @@ CheckDeadLock(void)`
`962`	`961`	`void`
`963`	`962`	`ProcWaitForSignal(void)`
`964`	`963`	`{`
`965`		`- waitingForSignal = true;`
`966`	`964`	`PGSemaphoreLock(&MyProc->sem, true);`
`967`		`- waitingForSignal = false;`
`968`	`965`	`}`
`969`	`966`
`970`	`967`	`/*`
`@@ -978,7 +975,6 @@ void`
`978`	`975`	`ProcCancelWaitForSignal(void)`
`979`	`976`	`{`
`980`	`977`	`PGSemaphoreReset(&MyProc->sem);`
`981`		`- waitingForSignal = false;`
`982`	`978`	`}`
`983`	`979`
`984`	`980`	`/*`