Squashed commit of the following:

commit c2f83d9a3e0e1f97e76f33d7992ef8e3e2994d91
Author: Matthew Newhook <matthew@zeroc.com>
Date:   Thu Mar 6 14:22:52 2008 +0800

    Cleanup some IceGrid configuration files.

commit 4e33903c9ae238b9e317fc3f1f3e281c816374dd
Author: Matthew Newhook <matthew@zeroc.com>
Date:   Thu Mar 6 14:17:10 2008 +0800

    remove ttl setting.

commit c418b308ff7cc8e8a4296819938b88dfedc16a97
Author: Matthew Newhook <matthew@zeroc.com>
Date:   Thu Mar 6 14:16:32 2008 +0800

    remove useless PopulateEmptyIndices config.

commit da70d3936f921aa2c92bd2db7b1fcddb4467a9bd
Author: Matthew Newhook <matthew@zeroc.com>
Date:   Thu Mar 6 13:59:51 2008 +0800

    - Removed interrupt handlers for interactive C++ demos.
    - Lots of cleanups to demos.

1 files changed, 10 insertions, 25 deletions

diff --git a/cpp/demo/Ice/invoke/Client.cpp b/cpp/demo/Ice/invoke/Client.cpp
index 038d09da54a..d209180f66e 100644
--- a/cpp/demo/Ice/invoke/Client.cpp
+++ b/cpp/demo/Ice/invoke/Client.cpp
@@ -17,8 +17,8 @@ class InvokeClient : public Ice::Application
 {
 public:
 
+    InvokeClient();
     virtual int run(int, char*[]);
-    virtual void interruptCallback(int);
 
 private:
 
@@ -50,6 +50,15 @@ operator<<(ostream& out, Demo::Color c)
     return out;
 }
 
+InvokeClient::InvokeClient() :
+    //
+    // Since this is an interactive demo we don't want any signal
+    // handling.
+    //
+    Application(Ice::NoSignalHandling)
+{
+}
+
 int
 InvokeClient::run(int argc, char* argv[])
 {
@@ -59,12 +68,6 @@ InvokeClient::run(int argc, char* argv[])
         return EXIT_FAILURE;
     }
 
-    //
-    // Since this is an interactive demo we want the custom interrupt
-    // callback to be called when the process is interrupted.
-    //
-    callbackOnInterrupt();
-
     Ice::ObjectPrx obj = communicator()->propertyToProxy("Printer.Proxy");
 
     menu();
@@ -306,24 +309,6 @@ InvokeClient::run(int argc, char* argv[])
 }
 
 void
-InvokeClient::interruptCallback(int)
-{
-    try
-    {
-        communicator()->destroy();
-    }
-    catch(const IceUtil::Exception& ex)
-    {
-        cerr << appName() << ": " << ex << endl;
-    }
-    catch(...)
-    {
-        cerr << appName() << ": unknown exception" << endl;
-    }
-    exit(EXIT_SUCCESS);
-}
-
-void
 InvokeClient::menu()
 {
     cout <<