From d8d0e6b86d9505ebb6da9eb2441bef8a6222a8e2 Mon Sep 17 00:00:00 2001
From: Jeff Hill <johill@lanl.gov>
Date: Thu, 18 Jan 2001 19:57:14 +0000
Subject: [PATCH] allow creation of PV's that dont update periodically

---
 src/cas/example/simple/exPV.cc     | 4 ++--
 src/cas/example/simple/exServer.cc | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/src/cas/example/simple/exPV.cc b/src/cas/example/simple/exPV.cc
index 0b48b7723..31e5e7b66 100644
--- a/src/cas/example/simple/exPV.cc
+++ b/src/cas/example/simple/exPV.cc
@@ -37,7 +37,7 @@ exPV::exPV (pvInfo &setup, bool preCreateFlag, bool scanOnIn) :
 	// (we will speed this up to the normal rate when
 	// someone is watching the PV)
 	//
-	if (this->scanOn) {
+	if ( this->scanOn && this->info.getScanPeriod () > 0.0 ) {
 		this->pScanTimer = 
 			new exScanTimer (this->getScanPeriod(), *this);
 	}
@@ -169,7 +169,7 @@ caStatus exPV::interestRegister()
 	if (this->pScanTimer) {
 		this->pScanTimer->reschedule(this->getScanPeriod());
 	}
-	else {
+	else if ( this->getScanPeriod () > 0.0 ) {
 		this->pScanTimer = new exScanTimer
 				(this->getScanPeriod(), *this);
 		if (!this->pScanTimer) {
diff --git a/src/cas/example/simple/exServer.cc b/src/cas/example/simple/exServer.cc
index 5b57b389d..06930c84a 100644
--- a/src/cas/example/simple/exServer.cc
+++ b/src/cas/example/simple/exServer.cc
@@ -41,8 +41,8 @@ const unsigned exServer::pvListNElem = NELEMENTS (exServer::pvList);
 //
 // static on-the-fly PVs
 //
-pvInfo exServer::bill (2.0, "bill", 10.0f, -10.0f, excasIoSync, 1u);
-pvInfo exServer::billy (2.0, "billy", 10.0f, -10.0f, excasIoAsync, 1u);
+pvInfo exServer::bill (-1.0, "bill", 10.0f, -10.0f, excasIoSync, 1u);
+pvInfo exServer::billy (-1.0, "billy", 10.0f, -10.0f, excasIoAsync, 1u);
 
 //
 // exServer::exServer()