use weak pointer for callbacks

2016-01-07 07:44:08 -05:00
parent ca3573291a
commit 4ac867ec0f
8 changed files with 188 additions and 96 deletions
--- a/exampleRPC/src/positionClient.cpp
+++ b/exampleRPC/src/positionClient.cpp
@@ -13,6 +13,7 @@
 #include <iostream>

 using namespace epics::pvData;
+using namespace std;


 static StructureConstPtr makeDeviceStructure()
@@ -81,6 +82,14 @@ int main (int argc, char *argv[])
        usage();
        return 1;
    }
+
+    if(argc<2)
+    {
+       std::cerr << APP_NAME << " requires at least 2 arguments."
+                  << std::endl;
+        usage();
+        return 1;
+    }
    // Start the pvAccess client side.
    epics::pvAccess::ClientFactory::start();