Patch from Michael Osias IBM (jimbo2120)

In his own words: 
If a prim becomes a listener or remote channel and the script is deleted, it cannot become a listener or channel again with a new script.  
This patch fixes that. 

1 files changed, 22 insertions, 0 deletions

diff --git a/OpenSim/Region/Environment/Modules/WorldCommModule.cs b/OpenSim/Region/Environment/Modules/WorldCommModule.cs
index 6b9ae46..a426eda 100644
--- a/OpenSim/Region/Environment/Modules/WorldCommModule.cs
+++ b/OpenSim/Region/Environment/Modules/WorldCommModule.cs
@@ -70,6 +70,7 @@ namespace OpenSim.Region.Environment.Modules
     {
         private Scene m_scene;
         private object CommListLock = new object();
+        private object ListLock = new object();
         private string m_name = "WorldCommModule";
         private ListenerManager m_listenerManager;
         private Queue<ListenerInfo> m_pending;
@@ -136,6 +137,15 @@ namespace OpenSim.Region.Environment.Modules
             m_listenerManager.Remove(handle);
         }
 
+        public void DeleteListener(LLUUID itemID)
+        {
+            lock (ListLock)
+            {
+                m_listenerManager.DeleteListener(itemID);
+            }
+
+        }
+
         // This method scans nearby objects and determines if they are listeners,
         // and if so if this message fits the filter.  If it does, then
         // enqueue the message for delivery to the objects listen event handler.
@@ -303,6 +313,18 @@ namespace OpenSim.Region.Environment.Modules
             m_listeners.Remove(handle);
         }
 
+        public void DeleteListener(LLUUID itemID)
+        {
+            foreach (ListenerInfo li in m_listeners.Values)
+            {
+                if (li.GetItemID().Equals(itemID))
+                {
+                    Remove(li.GetHandle());
+                    return;
+                }
+            }
+        }
+
         private int GetNewHandle()
         {
             for (int i = 0; i < int.MaxValue - 1; i++)