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Add Thread.ResetAbort() to various thread loops to clean up errors on

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shutdown. Fixes Mantis #8494.

Threads are aborted when shutting down and ThreadAbortException is odd
in that it is rethrown at the end of the catch unless the abort is
reset. No functional changes but fewer error messages on shutdown.
This commit is contained in:
Robert Adams
2019-02-27 07:49:52 -08:00
parent 9e182c27fb
commit bd1b992aaf
5 changed files with 64 additions and 33 deletions
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34
OpenSim/Framework/Servers/HttpServer/PollServiceRequestManager.cs Normal file → Executable file
View File

@@ -1,4 +1,4 @@
/*
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
@@ -230,25 +230,25 @@ namespace OpenSim.Framework.Servers.HttpServer
PollServiceHttpRequest req;
while (m_running)
{
req = null;
if(!m_requests.TryTake(out req, 4500) || req == null)
{
Watchdog.UpdateThread();
continue;
}
Watchdog.UpdateThread();
try
{
if(!req.HttpContext.CanSend())
req = null;
if (!m_requests.TryTake(out req, 4500) || req == null)
{
Watchdog.UpdateThread();
continue;
}
Watchdog.UpdateThread();
if (!req.HttpContext.CanSend())
{
req.PollServiceArgs.Drop(req.RequestID, req.PollServiceArgs.Id);
byContextDequeue(req);
continue;
}
if(req.HttpContext.IsSending())
if (req.HttpContext.IsSending())
{
if ((Environment.TickCount - req.RequestTime) > req.PollServiceArgs.TimeOutms)
{
@@ -256,7 +256,7 @@ namespace OpenSim.Framework.Servers.HttpServer
byContextDequeue(req);
}
else
ReQueueEvent(req);
ReQueueEvent(req);
continue;
}
@@ -290,7 +290,7 @@ namespace OpenSim.Framework.Servers.HttpServer
{
nreq.DoHTTPGruntWork(nreq.PollServiceArgs.NoEvents(nreq.RequestID, nreq.PollServiceArgs.Id));
}
catch (ObjectDisposedException) {}
catch (ObjectDisposedException) { }
finally
{
byContextDequeue(nreq);
@@ -305,6 +305,12 @@ namespace OpenSim.Framework.Servers.HttpServer
}
}
}
catch (ThreadAbortException)
{
Thread.ResetAbort();
// Shouldn't set this to 'false', the normal shutdown should cause things to exit
// m_running = false;
}
catch (Exception e)
{
m_log.ErrorFormat("Exception in poll service thread: " + e.ToString());

25
OpenSim/Region/ClientStack/Linden/Caps/GetAssetsModule.cs Normal file → Executable file
View File

@@ -204,19 +204,26 @@ namespace OpenSim.Region.ClientStack.Linden
private static void DoAssetRequests()
{
while (m_NumberScenes > 0)
try
{
APollRequest poolreq;
if(m_queue.TryTake(out poolreq, 4500))
while (m_NumberScenes > 0)
{
if (m_NumberScenes <= 0)
break;
APollRequest poolreq;
if (m_queue.TryTake(out poolreq, 4500))
{
if (m_NumberScenes <= 0)
break;
Watchdog.UpdateThread();
if (poolreq.reqID != UUID.Zero)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
if (poolreq.reqID != UUID.Zero)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
}
catch (ThreadAbortException)
{
Thread.ResetAbort();
}
}

23
OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs Normal file → Executable file
View File

@@ -395,17 +395,26 @@ namespace OpenSim.Region.ClientStack.Linden
private static void DoInventoryRequests()
{
while (true)
bool running = true;
while (running)
{
APollRequest poolreq;
if (m_queue.TryTake(out poolreq, 4500))
try
{
APollRequest poolreq;
if (m_queue.TryTake(out poolreq, 4500))
{
Watchdog.UpdateThread();
if (poolreq.thepoll != null)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
if (poolreq.thepoll != null)
poolreq.thepoll.Process(poolreq);
poolreq = null;
}
Watchdog.UpdateThread();
catch (ThreadAbortException)
{
Thread.ResetAbort();
running = false;
}
}
}
}

6
OpenSim/Region/ClientStack/Linden/UDP/LLUDPServer.cs Normal file → Executable file
View File

@@ -1910,7 +1910,11 @@ namespace OpenSim.Region.ClientStack.LindenUDP
incomingPacket = null;
}
}
catch(Exception ex)
catch (ThreadAbortException)
{
Thread.ResetAbort();
}
catch (Exception ex)
{
m_log.Error("[LLUDPSERVER]: Error in the incoming packet handler loop: " + ex.Message, ex);
}

9
OpenSim/Region/ScriptEngine/Shared/Api/Implementation/AsyncCommandManager.cs Normal file → Executable file
View File

@@ -221,7 +221,8 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
/// </summary>
private static void CmdHandlerThreadLoop()
{
while (true)
bool running = true;
while (running)
{
try
{
@@ -230,7 +231,11 @@ namespace OpenSim.Region.ScriptEngine.Shared.Api
DoOneCmdHandlerPass();
Watchdog.UpdateThread();
}
catch ( System.Threading.ThreadAbortException) { }
catch ( System.Threading.ThreadAbortException)
{
Thread.ResetAbort();
running = false;
}
catch (Exception e)
{
m_log.Error("[ASYNC COMMAND MANAGER]: Exception in command handler pass: ", e);