Fix to existing ReaderWriterLockSlim implementations

1 files changed, 8 insertions, 2 deletions

diff --git a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
index 93888f1..eacd219 100644
--- a/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
+++ b/OpenSim/Region/Framework/Scenes/SceneObjectGroup.cs
@@ -126,7 +126,10 @@ namespace OpenSim.Region.Framework.Scenes
             }
             else
             {
-                m_partsLock.ExitReadLock();
+                if (m_partsLock.RecursiveReadCount > 0)
+                {
+                    m_partsLock.ExitReadLock();
+                }
             }
         }
         public void lockPartsForWrite(bool locked)
@@ -155,7 +158,10 @@ namespace OpenSim.Region.Framework.Scenes
             }
             else
             {
-                m_partsLock.ExitWriteLock();
+                if (m_partsLock.RecursiveWriteCount > 0)
+                {
+                    m_partsLock.ExitWriteLock();
+                }
             }
         }