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

diff --git a/src/backend/storage/lmgr/proc.c b/src/backend/storage/lmgr/proc.c
index ea6514f8fa25021dd9d16e9433760820d6c52a2b..d62dfbf3b856414bfb99f96121f101814e15d9df 100644 (file)
--- a/src/backend/storage/lmgr/proc.c
+++ b/src/backend/storage/lmgr/proc.c
@@ -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;
 }
 
 /*