some search manager fixes

testApp/remote/testChannelSearchManager.cpp

@@ -5,14 +5,35 @@
 using namespace epics::pvData;
 using namespace epics::pvAccess;
 
-
+class TestSearcInstance : public BaseSearchInstance
+{
+public:
+	TestSearcInstance(string channelName, pvAccessID channelID): _channelID(channelID), _channelName(channelName) {}
+	pvAccessID getChannelID() { return _channelID;};
+	string getChannelName() {return _channelName;};
+	void searchResponse(int8 minorRevision, osiSockAddr* serverAddress) {};
+private:
+	pvAccessID _channelID;
+	string _channelName;
+};
 
 int main(int argc,char *argv[])
 {
     ClientContextImpl* context = new ClientContextImpl();
     ChannelSearchManager* manager = new ChannelSearchManager(context);
 
+    TestSearcInstance* chan1 = new TestSearcInstance("chan1", 1);
+    manager->registerChannel(chan1);
+
+    sleep(3);
+
+    manager->cancel();
+
     context->destroy();
     getShowConstructDestruct()->constuctDestructTotals(stdout);
+
+    //if(chan1) delete chan1;
+    if(manager) delete manager;
+    if(context) delete context;
     return(0);
 }