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Imported Upstream version 4.2.1.91

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Former-commit-id: b6ad0994c58eaf044e2599fe2ff7996e073c87d2
This commit is contained in:
Xamarin Public Jenkins
2015-10-30 12:42:46 -04:00
committed by Jo Shields
parent bdd40f83c0
commit bac3554225
48 changed files with 211 additions and 83 deletions
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10
external/referencesource/mscorlib/system/threading/CancellationTokenSource.cs vendored
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@@ -71,7 +71,7 @@ namespace System.Threading
/// actually run the callbacks.
private volatile int m_threadIDExecutingCallbacks = -1;
private bool m_disposed;
private int m_disposed;
private CancellationTokenRegistration [] m_linkingRegistrations; //lazily initialized if required.
@@ -134,7 +134,7 @@ namespace System.Threading
/// </summary>
internal bool IsDisposed
{
get { return m_disposed; }
get { return m_disposed == 1; }
}
/// <summary>
@@ -573,7 +573,7 @@ namespace System.Threading
// mutates a sparseArrayFragment and then reads from properties of the CTS that are not
// invalidated by cts.Dispose().
if (m_disposed)
if (m_disposed != 0 || Interlocked.CompareExchange (ref m_disposed, 1, 0) != 0)
return;
if (m_timer != null) m_timer.Dispose();
@@ -598,8 +598,6 @@ namespace System.Threading
m_kernelEvent.Close(); // the critical cleanup to release an OS handle
m_kernelEvent = null; // free for GC.
}
m_disposed = true;
}
}
@@ -613,7 +611,7 @@ namespace System.Threading
#endif
internal void ThrowIfDisposed()
{
if (m_disposed)
if (m_disposed == 1)
ThrowObjectDisposedException();
}