1 files changed, 26 insertions, 24 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 893f3ef..17c06e7 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -27,6 +27,7 @@
 
 using System;
 using System.IO;
+using System.Diagnostics; //for [DebuggerNonUserCode]
 using System.Runtime.Remoting;
 using System.Runtime.Remoting.Lifetime;
 using System.Threading;
@@ -55,7 +56,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
 {
     public class ScriptInstance : MarshalByRefObject, IScriptInstance
     {
-//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
+        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
         
         private IScriptEngine m_Engine;
         private IScriptWorkItem m_CurrentResult = null;
@@ -239,13 +240,12 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
 
             if (part != null)
             {
-                lock (part.TaskInventory)
+                part.TaskInventory.LockItemsForRead(true);
+                if (part.TaskInventory.ContainsKey(m_ItemID))
                 {
-                    if (part.TaskInventory.ContainsKey(m_ItemID))
-                    {
-                        m_thisScriptTask = part.TaskInventory[m_ItemID];
-                    }
+                    m_thisScriptTask = part.TaskInventory[m_ItemID];
                 }
+                part.TaskInventory.LockItemsForRead(false);
             }
 
             ApiManager am = new ApiManager();
@@ -272,9 +272,10 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                 //RemotingServices.GetLifetimeService(m_Script as ScriptBaseClass);
 //                lease.Register(this);
             }
-            catch (Exception)
+            catch (Exception e)
             {
-                // m_log.ErrorFormat("[Script] Error loading assembly {0}\n"+e.ToString(), assembly);
+                m_log.ErrorFormat("[Script] Error loading assembly {0}\n"+e.ToString(), assembly);
+                throw;
             }
 
             try
@@ -435,14 +436,15 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             {
                 int permsMask;
                 UUID permsGranter;
-                lock (part.TaskInventory)
+                part.TaskInventory.LockItemsForRead(true);
+                if (!part.TaskInventory.ContainsKey(m_ItemID))
                 {
-                    if (!part.TaskInventory.ContainsKey(m_ItemID))
-                        return;
-
-                    permsGranter = part.TaskInventory[m_ItemID].PermsGranter;
-                    permsMask = part.TaskInventory[m_ItemID].PermsMask;
+                    part.TaskInventory.LockItemsForRead(false);
+                    return;
                 }
+                permsGranter = part.TaskInventory[m_ItemID].PermsGranter;
+                permsMask = part.TaskInventory[m_ItemID].PermsMask;
+                part.TaskInventory.LockItemsForRead(false);
 
                 if ((permsMask & ScriptBaseClass.PERMISSION_TAKE_CONTROLS) != 0)
                 {
@@ -551,6 +553,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             return true;
         }
 
+        [DebuggerNonUserCode] //Prevents the debugger from farting in this function
         public void SetState(string state)
         {
             if (state == State)
@@ -562,7 +565,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                                        new DetectParams[0]));
             PostEvent(new EventParams("state_entry", new Object[0],
                                        new DetectParams[0]));
-
+            
             throw new EventAbortException();
         }
 
@@ -645,16 +648,14 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
         /// <returns></returns>
         public object EventProcessor()
         {
-//            m_log.DebugFormat("[XEngine]: EventProcessor() invoked for {0}.{1}", PrimName, ScriptName);
+            EventParams data = null;
 
             if (Suspended)
                 return 0;
 
-            lock (m_Script)
+            lock (m_EventQueue)
             {
-                EventParams data = null;
-
-                lock (m_EventQueue)
+                lock (m_Script)
                 {
                     data = (EventParams) m_EventQueue.Dequeue();
                     if (data == null) // Shouldn't happen
@@ -680,6 +681,9 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                     if (data.EventName == "collision")
                         m_CollisionInQueue = false;
                 }
+            }
+            lock(m_Script)
+            {
                 
 //                m_log.DebugFormat("[XEngine]: Processing event {0} for {1}", data.EventName, this);
 
@@ -836,6 +840,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                     new Object[0], new DetectParams[0]));
         }
 
+        [DebuggerNonUserCode] //Stops the VS debugger from farting in this function
         public void ApiResetScript()
         {
             // bool running = Running;
@@ -867,10 +872,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
 
         public Dictionary<string, object> GetVars()
         {
-            if (m_Script != null)
-                return m_Script.GetVars();
-            else
-                return new Dictionary<string, object>();
+            return m_Script.GetVars();
         }
 
         public void SetVars(Dictionary<string, object> vars)