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Lock m_landlist whilst loading parcels from storage to prevent a race against any parcel auto-creation in GetLandObject()

0.8.0.3
Justin Clark-Casey (justincc) 2014-03-07 01:36:06 +00:00
parent 6b7625a56b
commit 3c05d67094
1 changed files with 18 additions and 7 deletions
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25
OpenSim/Region/CoreModules/World/Land/LandManagementModule.cs
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@ -915,10 +915,16 @@ namespace OpenSim.Region.CoreModules.World.Land
landID = m_lastLandLocalID;
}
else
{
// XXX: We're not currently doing anything if there are no parcels, as this might indicate a race
// condition where this method is being called before land data is loaded. May need to address
// this in another way.
// XXX: We're not currently doing anything if there are no parcels, as this might indicate a race
// condition where this method is being called before land data is loaded. May need to address
// this in another way.
m_log.WarnFormat(
"[{0}]: Ignoring request to auto-create parcel in {1} as there are no other parcels present",
LogHeader, m_scene.Name);
}
}
ret = m_landList[landID];
@ -1545,16 +1551,21 @@ namespace OpenSim.Region.CoreModules.World.Land
#region Land Object From Storage Functions
public void EventManagerOnIncomingLandDataFromStorage(List<LandData> data)
private void EventManagerOnIncomingLandDataFromStorage(List<LandData> data)
{
// m_log.DebugFormat(
// "[LAND MANAGMENT MODULE]: Processing {0} incoming parcels on {1}", data.Count, m_scene.Name);
for (int i = 0; i < data.Count; i++)
IncomingLandObjectFromStorage(data[i]);
// Prevent race conditions from any auto-creation of new parcels for varregions whilst we are still loading
// the existing parcels.
lock (m_landList)
{
for (int i = 0; i < data.Count; i++)
IncomingLandObjectFromStorage(data[i]);
}
}
public void IncomingLandObjectFromStorage(LandData data)
private void IncomingLandObjectFromStorage(LandData data)
{
ILandObject new_land = new LandObject(data.OwnerID, data.IsGroupOwned, m_scene);
new_land.LandData = data.Copy();