2 files changed, 16 insertions, 2 deletions

diff --git a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
index 267928b..e694f15 100644
--- a/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
+++ b/OpenSim/Region/ScriptEngine/Shared/Api/Implementation/LSL_Api.cs
@@ -3588,6 +3588,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 {
                     parentPrim.DelinkFromGroup(part.LocalId, true);
                 }
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
 
                 if (parts.Count > 0)
@@ -3599,6 +3601,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                         part.UpdateFlag = 0;
                         newRoot.ParentGroup.LinkToGroup(part.ParentGroup);
                     }
+                    newRoot.ParentGroup.HasGroupChanged = true;
+                    newRoot.ParentGroup.ScheduleGroupForFullUpdate();
                 }
             }
             else
@@ -3607,6 +3611,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                     return;
 
                 parentPrim.DelinkFromGroup(childPrim.LocalId, true);
+                parentPrim.HasGroupChanged = true;
+                parentPrim.ScheduleGroupForFullUpdate();
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
             }
         }
@@ -3626,6 +3632,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
                 parentPrim.DelinkFromGroup(part.LocalId, true);
                 parentPrim.TriggerScriptChangedEvent(Changed.LINK);
             }
+            parentPrim.HasGroupChanged = true;
+            parentPrim.ScheduleGroupForFullUpdate();
         }
 
         public LSL_String llGetLinkKey(int linknum)
diff --git a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
index 49c69ab..184af19 100644
--- a/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
+++ b/OpenSim/Region/ScriptEngine/XEngine/XEngine.cs
@@ -150,7 +150,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
             else
             {
-                m_scriptsLock.ExitReadLock();
+                if (m_scriptsLock.RecursiveReadCount > 0)
+                {
+                    m_scriptsLock.ExitReadLock();
+                }
             }
         }
         private void lockScriptsForWrite(bool locked)
@@ -179,7 +182,10 @@ namespace OpenSim.Region.ScriptEngine.XEngine
             }
             else
             {
-                m_scriptsLock.ExitWriteLock();
+                if (m_scriptsLock.RecursiveWriteCount > 0)
+                {
+                    m_scriptsLock.ExitWriteLock();
+                }
             }
         }