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Fix resume scripts. 

On resume, we need to place requeue the script for event processing if there are any events on the queue.
Also need to do this under m_Script lock in order to avoid a race
remove-scene-viewer
Justin Clark-Casey (justincc) 2011-10-19 21:30:37 +01:00
parent 3cf7fb4eca
commit 5607fd3af8
2 changed files with 33 additions and 9 deletions
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32
OpenSim/Region/ScriptEngine/Shared/Instance/ScriptInstance.cs
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@ -55,7 +55,7 @@ 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;
@ -138,7 +138,31 @@ 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
{
@ -645,13 +669,13 @@ namespace OpenSim.Region.ScriptEngine.Shared.Instance
/// <returns></returns>
public object EventProcessor()
{
lock (m_Script)
{
// m_log.DebugFormat("[XEngine]: EventProcessor() invoked for {0}.{1}", PrimName, ScriptName);
if (Suspended)
return 0;
lock (m_Script)
{
EventParams data = null;
lock (m_EventQueue)