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authorJustin Clark-Casey (justincc)2011-09-12 21:57:22 +0100
committerJustin Clark-Casey (justincc)2011-09-12 21:57:22 +0100
commitea0f78c97152d3aa54822487e5343ca2db0b47b9 (patch)
tree1496c7d6ebbed346209f1513f2affa3f1ba6f62a /bin/ScriptEngines
parentlock AvatarAppearance.m_attachments when we use it (diff)
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Start locking entire add/remove operations on an IScenePresence.AttachmentsSyncLock object
Attach and detach packets are processed asynchronously when received from a viewer. Bugs like http://opensimulator.org/mantis/view.php?id=5644 indicate that in some situations (such as attaching/detaching entire folders of objects at once), there are race conditions between these threads. Since multiple data structures need to be updated on attach/detach, it's not enough to lock the individual collections. Therefore, this commit introduces a new IScenePresence.AttachmentsSyncLock which add/remove operations lock on.
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