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multiple scripts in the same linkset can cause unnecessary thread aborts.
The first llDie() could lock Scene.m_deleting_scene_object.
The second llDie() would then wait at this lock.
The first llDie() would go on to remove the second script but always abort it since the second script's WorkItem would not go away.
Easiest solution here is to remove the m_deleting_scene_object since it's no longer justified - we no longer lock m_parts but take a copy instead.
This also requires an adjustment in XEngine.OnRemoveScript not to use instance.ObjectID instead when firing the OnObjectRemoved event.
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to release locks, resulting in a crippled simulator.
This seems to be a particular problem with ReaderWriterLockSlim, though other locks can be affected as well.
It has been seen to happen when llDie() is called in a linkset running more than one script.
Alleviation here means supplying a ScriptInstance.Stop() timeout of 1000ms rather than 0ms, to give events a chance to complete.
Also, we check the IsRunning status at the top of the ScriptInstance.EventProcessor() so that another event doesn't start in the mean time.
Ultimately, a better solution may have to be found since a long-running event would still exceed the timeout and be aborted.
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it more understandable as to what it is and what it does (hold a thread pool work item for a waiting of in-progress event)
Also add other various illustrative comments
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command
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<category/module>" to display commands in a category.
This is to deal with the hundred lines of command splurge when one previously typed "help"
Modelled somewhat on the mysql console
One can still type help <command> to get per command help at any point.
Categories capitalized to avoid conflict with the all-lowercase commands (except for commander system, as of yet).
Does not affect command parsing or any other aspects of the console apart from the help system.
Backwards compatible with existing modules.
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status" command.
This is for diagnostic purposes.
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Path.GetDirectoryName when getting assembly loading path in Compiler.CompileFromDotNetText().
The Path.GetDirectoryName call in Compiler.CompileFromDotNetText is unnecessary since AppDomain.CurrentDomain.BaseDirectory is always a directory.
Later path concatenation is already done by Path.Combine() which handles any trailing slash.
Removing Path.GetDirectoryName() will not affect the runtime but allows NUnit to work since it doesn't add a trailing slash to AppDomain.CurrentDomain.BaseDirectory.
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console lines.
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command
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display one script's status
Usage is now scripts show [<script-item-uuid>]
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scripts from the appdomain in XEngine.
All the other actions (script state save, etc.) still occur.
This makes shutdown where there are many scripts vastly quicker.
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This causes false positives if a simulator has more than 1 region and the current region is 'root' since this sends the command separately to each region and each region has its own XEngine
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a single script by giving the script item id (which can be found via scripts show).
Not an ideal way to do this on a region with many scripts. Needs refinement later.
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These will stop all running scripts and start all stopped scripts respectively.
A stopped script does not save any events for later processing.
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On resume, we need to place requeue the script for event processing if there are any events on the queue.
Also need to do this under m_Script lock in order to avoid a race
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These aim currently to suspend and resume all scripts.
However, resume isn't currently working due to what looks like a bug in resume functionality itself.
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The item ID is the one required for any script manipulation on the command line, so I think it's somewhat more useful to show this bearing in mind the limited space available
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engine in the current region.
Also added synonym of "scripts show"
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module is disabled.
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user knows why they are waiting.
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out that prim's local id in the error message.
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Apart from one obvious bug, this was failing because attempting to serialize the script from inside the script (as part of saving the attachment as an inventory asset) was triggering an extremely long delay.
So we now don't do this. The state will be serialized anyway when the avatar normally logs out.
The worst that can happen is that if the client/server crashes, the attachment scripts start without previous state.
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Adding ability to place script engine assemblies outside
the codebase directories.
Uses new [XEngine] option: ScriptEnginesPath = "path_to_assemblies"
Signed-off-by: Melanie <melanie@t-data.com>
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Revert "Reverting this for now, but this needs to go in again."
This reverts commit c0d9ab941dd1ab88f00f6d4f2a53a4fe5c605e57.
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Revert "Another stab at http://opensimulator.org/mantis/view.php?id=4858. Eliminated more nested locks."
This reverts commit ffbae52a130376ecaa04d7d475709985c62c06ed.
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more nested locks.
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Eliminated the nested locks of m_Scripts and m_PrimObjects.
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know what"
This reverts commit f798679b8005e532f933553007cca989112f4a1d.
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this is, you should test it. If you don't, don't use it.
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due to unhandled file lock exception. Attempt to resolve by wrapping several instances of file create / read logic in using statements and added some error handling for locked file exceptions. If it is IDisposable, it must be disposed! The close statements are unnecessary but harmless so I have left those in. The end of the using block will close and dispose automagically.
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the script hasn't yet saved state, or can't save state because of a loop
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compiling it
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is fully rezzed and all scripts in it are instantiated. This ensures that link
messages will not be lost on rez/region crossing and makes heavily scripted
objects reliable.
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When an object was deleted, the remove script instance call was aggregating the scripting events as normal.
This would queue a full update of the prim before the viewer was notifed of the deletion of that prim (QuitPacket)
On some occasions, the QuitPacket would be sent before the full update was dequeued and sent.
In principle, you would think that a viewer would ignore updates for deleted prims. But it appears that in the Linden viewer (1.23.5),
a prim update that arrives after the prim was deleted instead makes the deleted prim persist in the viewer. Such prims have no properties
and cannot be removed from the viewer except by a relog.
This change stops the prim event aggregation call if it's being deleted anyway, hence removing the spurious viewer-confusing update.
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It was used. By the API, which is dynamically loaded. So it didn't complain
until it hit Bamboo
This reverts commit 33d5018e94e52cb875bf43bced623bdc6aa41ef0.
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