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Add a stack trace to the error output on the recursive read lock warning on my RWlocks. Whilst recursive locks are safe, coupled with other issues we're experiencing with the TaskInventoryDictionary it implies that somewhere the lock is not being freed possibly due to a merge error somewhere, and thus it needs to be looked into.

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This commit is contained in:
meta7
2010-08-10 09:07:17 -07:00
parent 7fead01786
commit 1ead2ed5ee
2 changed files with 128 additions and 104 deletions
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14
OpenSim/Framework/TaskInventoryDictionary.cs
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@@ -30,6 +30,7 @@ using System.Collections.Generic;
using System.Threading;
using System.Reflection;
using System.Xml;
using System.Diagnostics;
using System.Xml.Schema;
using System.Xml.Serialization;
using log4net;
@@ -90,6 +91,19 @@ namespace OpenSim.Framework
if (m_itemLock.RecursiveReadCount > 0)
{
m_log.Error("[TaskInventoryDictionary] Recursive read lock requested. This should not happen and means something needs to be fixed. For now though, it's safe to continue.");
try
{
StackTrace stackTrace = new StackTrace(); // get call stack
StackFrame[] stackFrames = stackTrace.GetFrames(); // get method calls (frames)
// write call stack method names
foreach (StackFrame stackFrame in stackFrames)
{
m_log.Error("[SceneObjectGroup.m_parts] "+(stackFrame.GetMethod().Name); // write method name
}
}
catch
{}
m_itemLock.ExitReadLock();
}
if (m_itemLock.RecursiveWriteCount > 0)