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* Locking on local scope variable does not make sense - every thread will have its own 

* Locking on value, then changing it does not make sense - lock will happen on old reference
* Taking a local copy of the shared resource then locking on the copy does not make sense - lock will happen on copy
afrisby
lbsa71 2007-11-29 06:06:42 +00:00
parent b0c5693c02
commit d05b121dff
1 changed files with 21 additions and 27 deletions
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12
OpenSim/Region/Environment/Scenes/SceneCommunicationService.cs
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@ -250,29 +250,23 @@ namespace OpenSim.Region.Environment.Scenes
public void InformNeighborsThatRegionisUp(RegionInfo region)
{
//MainLog.Instance.Verbose("INTER", debugRegionName + ": SceneCommunicationService: Sending InterRegion Notification that region is up " + region.RegionName);
List<SimpleRegionInfo> neighbours = new List<SimpleRegionInfo>();
lock (neighbours)
{
neighbours = m_commsProvider.GridService.RequestNeighbours(m_regionInfo.RegionLocX, m_regionInfo.RegionLocY);
List<SimpleRegionInfo> neighbours = m_commsProvider.GridService.RequestNeighbours(m_regionInfo.RegionLocX, m_regionInfo.RegionLocY);
if (neighbours != null)
{
for (int i = 0; i < neighbours.Count; i++)
{
InformNeighbourThatRegionUpDelegate d = InformNeighboursThatRegionIsUpAsync;
// race condition! Arg! I hate race conditions.
lock (d)
{
d.BeginInvoke(region, neighbours[i].RegionHandle,
InformNeighborsThatRegionisUpCompleted,
d);
}
}
}
}
//bool val = m_commsProvider.InterRegion.RegionUp(new SearializableRegionInfo(region));
}
/// <summary>
///
/// </summary>