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https://github.com/opensim/opensim.git
synced 2026-08-05 17:05:55 +08:00
more on ReaderWriterLockSlim and thread.abort
This commit is contained in:
@@ -67,10 +67,7 @@ namespace OpenSim.Framework
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[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
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private void CheckTimer()
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{
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if (m_purgeTimer == null)
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{
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m_purgeTimer = new Timer(Purge, null, m_expire, Timeout.Infinite);
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}
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m_purgeTimer ??= new Timer(Purge, null, m_expire, Timeout.Infinite);
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}
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[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
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@@ -106,17 +103,9 @@ namespace OpenSim.Framework
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private void Purge(object ignored)
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{
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bool gotLock = false;
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m_rwLock.EnterUpgradeableReadLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterUpgradeableReadLock();
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gotLock = true;
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}
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if (m_expireControl.Count == 0)
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{
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DisposeTimer();
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@@ -134,16 +123,9 @@ namespace OpenSim.Framework
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if(expired.Count > 0)
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{
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bool gotWriteLock = false;
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m_rwLock.EnterWriteLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterWriteLock();
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gotWriteLock = true;
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}
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valuesArrayCache = null;
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foreach (TKey1 key in expired)
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{
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@@ -151,11 +133,8 @@ namespace OpenSim.Framework
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m_values.Remove(key);
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}
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}
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finally
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{
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if (gotWriteLock)
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m_rwLock.ExitWriteLock();
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}
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finally { m_rwLock.ExitWriteLock(); }
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if (m_expireControl.Count == 0)
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DisposeTimer();
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else
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@@ -164,11 +143,7 @@ namespace OpenSim.Framework
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else
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m_purgeTimer.Change(m_expire, Timeout.Infinite);
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitUpgradeableReadLock();
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}
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finally { m_rwLock.ExitUpgradeableReadLock(); }
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}
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[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
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@@ -179,28 +154,17 @@ namespace OpenSim.Framework
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public void Add(TKey1 key, TValue1 val)
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{
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bool gotLock = false;
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int now = (int)(Util.GetTimeStampMS() - m_startTS) + m_expire;
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m_rwLock.EnterWriteLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterWriteLock();
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gotLock = true;
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}
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m_expireControl[key] = now;
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m_values[key] = val;
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valuesArrayCache = null;
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CheckTimer();
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitWriteLock();
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}
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finally { m_rwLock.ExitWriteLock(); }
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}
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[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
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@@ -217,7 +181,6 @@ namespace OpenSim.Framework
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public void Add(TKey1 key, TValue1 val, int expireMS)
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{
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bool gotLock = false;
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int now;
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if (expireMS > 0)
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{
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@@ -227,78 +190,44 @@ namespace OpenSim.Framework
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else
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now = int.MinValue;
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m_rwLock.EnterWriteLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterWriteLock();
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gotLock = true;
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}
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m_expireControl[key] = now;
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m_values[key] = val;
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valuesArrayCache = null;
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CheckTimer();
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitWriteLock();
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}
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finally { m_rwLock.ExitWriteLock(); }
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}
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public bool Remove(TKey1 key)
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{
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bool success;
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bool gotLock = false;
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m_rwLock.EnterWriteLock();
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try
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{
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try {}
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finally
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{
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m_rwLock.EnterWriteLock();
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gotLock = true;
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}
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success = m_expireControl.Remove(key);
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bool success = m_expireControl.Remove(key);
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success |= m_values.Remove(key);
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if(success)
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valuesArrayCache = null;
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if (m_expireControl.Count == 0)
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DisposeTimer();
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return success;
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitWriteLock();
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}
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return success;
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finally { m_rwLock.ExitWriteLock(); }
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}
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public void Clear()
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{
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bool gotLock = false;
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m_rwLock.EnterWriteLock();
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try
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{
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try {}
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finally
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{
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m_rwLock.EnterWriteLock();
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gotLock = true;
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}
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DisposeTimer();
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m_expireControl.Clear();
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m_values.Clear();
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valuesArrayCache = null;
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitWriteLock();
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}
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finally { m_rwLock.ExitWriteLock(); }
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}
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public int Count
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@@ -314,22 +243,12 @@ namespace OpenSim.Framework
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public bool ContainsKey(TKey1 key)
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{
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bool gotLock = false;
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m_rwLock.EnterReadLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterReadLock();
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gotLock = true;
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}
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return m_expireControl.ContainsKey(key);
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitReadLock();
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}
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finally { m_rwLock.ExitReadLock(); }
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}
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[System.Runtime.CompilerServices.MethodImpl(System.Runtime.CompilerServices.MethodImplOptions.AggressiveInlining)]
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@@ -340,26 +259,14 @@ namespace OpenSim.Framework
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public bool ContainsKey(TKey1 key, int expireMS)
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{
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bool gotLock = false;
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m_rwLock.EnterUpgradeableReadLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterUpgradeableReadLock();
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gotLock = true;
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}
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if(m_expireControl.ContainsKey(key))
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{
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bool gotWriteLock = false;
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m_rwLock.EnterWriteLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterWriteLock();
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gotWriteLock = true;
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}
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int now;
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if(expireMS > 0)
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{
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@@ -372,68 +279,33 @@ namespace OpenSim.Framework
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m_expireControl[key] = now;
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return true;
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}
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finally
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{
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if (gotWriteLock)
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m_rwLock.ExitWriteLock();
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}
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finally { m_rwLock.ExitWriteLock(); }
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}
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return false;
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitUpgradeableReadLock();
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}
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finally { m_rwLock.ExitUpgradeableReadLock(); }
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}
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public bool TryGetValue(TKey1 key, out TValue1 value)
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{
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bool gotLock = false;
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m_rwLock.EnterReadLock();
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try
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{
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try {}
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finally
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{
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m_rwLock.EnterReadLock();
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gotLock = true;
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}
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return m_values.TryGetValue(key, out value);
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitReadLock();
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}
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finally { m_rwLock.ExitReadLock(); }
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}
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public bool TryGetValue(TKey1 key, int expireMS, out TValue1 value)
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{
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bool success;
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bool gotLock = false;
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m_rwLock.EnterUpgradeableReadLock();
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try
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{
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try { }
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finally
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if(m_values.TryGetValue(key, out value))
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{
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m_rwLock.EnterUpgradeableReadLock();
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gotLock = true;
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}
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success = m_values.TryGetValue(key, out value);
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if(success)
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{
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bool gotWriteLock = false;
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m_rwLock.EnterWriteLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterWriteLock();
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gotWriteLock = true;
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}
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int now;
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if(expireMS > 0)
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{
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@@ -444,56 +316,30 @@ namespace OpenSim.Framework
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now = int.MinValue;
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m_expireControl[key] = now;
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return true;
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}
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finally
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{
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if (gotWriteLock)
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m_rwLock.ExitWriteLock();
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}
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finally { m_rwLock.ExitWriteLock(); }
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}
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return false;
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitUpgradeableReadLock();
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}
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return success;
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finally { m_rwLock.ExitUpgradeableReadLock(); }
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}
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public ref TValue1 TryGetOrDefaultValue(TKey1 key, out bool existed)
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{
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bool gotLock = false;
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m_rwLock.ExitUpgradeableReadLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.ExitUpgradeableReadLock();
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gotLock = true;
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}
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return ref CollectionsMarshal.GetValueRefOrAddDefault(m_values, key, out existed);
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitUpgradeableReadLock();
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}
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finally { m_rwLock.ExitUpgradeableReadLock(); }
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}
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public ref TValue1 TryGetOrDefaultValue(TKey1 key, int expireMS, out bool existed)
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{
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bool gotLock = false;
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m_rwLock.EnterWriteLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterWriteLock();
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gotLock = true;
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}
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ref TValue1 ret = ref CollectionsMarshal.GetValueRefOrAddDefault(m_values, key, out existed);
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int now;
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if (expireMS > 0)
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@@ -507,26 +353,16 @@ namespace OpenSim.Framework
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m_expireControl[key] = now;
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return ref ret;
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}
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finally
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{
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if (gotLock)
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m_rwLock.EnterWriteLock();
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}
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finally { m_rwLock.EnterWriteLock(); }
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}
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public TValue1[] Values
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{
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get
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{
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bool gotLock = false;
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m_rwLock.EnterUpgradeableReadLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterUpgradeableReadLock();
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gotLock = true;
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}
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if(valuesArrayCache == null)
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{
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valuesArrayCache = new TValue1[m_values.Count];
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@@ -534,11 +370,7 @@ namespace OpenSim.Framework
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}
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return valuesArrayCache;
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitUpgradeableReadLock();
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}
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finally { m_rwLock.ExitUpgradeableReadLock(); }
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}
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}
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@@ -547,22 +379,12 @@ namespace OpenSim.Framework
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{
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get
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{
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bool gotLock = false;
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m_rwLock.EnterUpgradeableReadLock();
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try
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{
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try { }
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finally
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{
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m_rwLock.EnterUpgradeableReadLock();
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gotLock = true;
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}
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return m_values.Keys;
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}
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finally
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{
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if (gotLock)
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m_rwLock.ExitUpgradeableReadLock();
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}
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finally { m_rwLock.ExitUpgradeableReadLock(); }
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}
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}
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*/
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Block a user