Merge commit '5607fd3af828846291de3358067bb1214619489e' into bigmerge

Conflicts:
	OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
	OpenSim/Region/ScriptEngine/XEngine/XEngine.cs

1 files changed, 46 insertions, 22 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
index 17c06e7..9ff2e4d 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
@@ -139,7 +139,31 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
             set { m_RunEvents = value; }
         }
 
-        public bool Suspended { get; set; }
+        public bool Suspended
+        {
+            get { return m_Suspended; }
+
+            set
+            {
+                // Need to do this inside a lock in order to avoid races with EventProcessor()
+                lock (m_Script)
+                {
+                    bool wasSuspended = m_Suspended;
+                    m_Suspended = value;
+    
+                    if (wasSuspended && !m_Suspended)
+                    {
+                        lock (m_EventQueue)
+                        {
+                            // Need to place ourselves back in a work item if there are events to process
+                            if ((m_EventQueue.Count > 0) && m_RunEvents && (!m_ShuttingDown))
+                                m_CurrentResult = m_Engine.QueueEventHandler(this);
+                        }
+                    }
+                }
+            }
+        }
+        private bool m_Suspended;
 
         public bool ShuttingDown
         {
@@ -650,38 +674,38 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
         {
             EventParams data = null;
 
+//                m_log.DebugFormat("[XEngine]: EventProcessor() invoked for {0}.{1}", PrimName, ScriptName);
+
             if (Suspended)
                 return 0;
 
             lock (m_EventQueue)
             {
-                lock (m_Script)
+                data = (EventParams) m_EventQueue.Dequeue();
+                if (data == null) // Shouldn't happen
                 {
-                    data = (EventParams) m_EventQueue.Dequeue();
-                    if (data == null) // Shouldn't happen
+                    if ((m_EventQueue.Count > 0) && m_RunEvents && (!m_ShuttingDown))
                     {
-                        if ((m_EventQueue.Count > 0) && m_RunEvents && (!m_ShuttingDown))
-                        {
-                            m_CurrentResult = m_Engine.QueueEventHandler(this);
-                        }
-                        else
-                        {
-                            m_CurrentResult = null;
-                        }
-                        return 0;
+                        m_CurrentResult = m_Engine.QueueEventHandler(this);
                     }
-
-                    if (data.EventName == "timer")
-                        m_TimerQueued = false;
-                    if (data.EventName == "control")
+                    else
                     {
-                        if (m_ControlEventsInQueue > 0)
-                            m_ControlEventsInQueue--;
+                        m_CurrentResult = null;
                     }
-                    if (data.EventName == "collision")
-                        m_CollisionInQueue = false;
+                    return 0;
                 }
+
+                if (data.EventName == "timer")
+                    m_TimerQueued = false;
+                if (data.EventName == "control")
+                {
+                    if (m_ControlEventsInQueue > 0)
+                        m_ControlEventsInQueue--;
+                }
+                if (data.EventName == "collision")
+                    m_CollisionInQueue = false;
             }
+
             lock(m_Script)
             {
                 
@@ -693,7 +717,7 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
                 {
     //                m_log.DebugFormat("[Script] Script {0}.{1} state set to {2}",
     //                        m_PrimName, m_ScriptName, data.Params[0].ToString());
-                    m_State=data.Params[0].ToString();
+                    m_State = data.Params[0].ToString();
                     AsyncCommandManager.RemoveScript(m_Engine,
                         m_LocalID, m_ItemID);