CompThr: Comment on posted CBs

smocore/componentThread.cpp

@@ -119,7 +119,14 @@ public:
 
 	void callOriginalCbFn(void)
 	{
-		if (originalCbFn) {
+		if (originalCbFn)
+		{
+			/**	EXPLANATION:
+			 * This is only permissible because originalCbFn doesn't take any
+			 * further arguments. If we had to bind argument to it before
+			 * posting it, we'd have to std::bind them and then post the
+			 * resulting function object.
+			 */
 			caller->getIoService().post(originalCbFn);
 		}
 	}