public void Uninstall()
{
if (this.Instance != null)
{
PdnSynchronizationContext.Uninstall(this.Instance);
this.Instance = null;
}
}
internal static void Uninstall(PdnSynchronizationContext oldInstance)
{
if (oldInstance != instance)
{
ExceptionUtil.ThrowInvalidOperationException();
}
if (oldInstance.syncThread != Thread.CurrentThread)
{
ExceptionUtil.ThrowInvalidOperationException("PdnSynchronizationContext may only be uninstalled on the thread it was installed on");
}
oldInstance.ProcessQueue();
SynchronizationContext.SetSynchronizationContext(oldInstance.prevSyncContext);
oldInstance.isInstalled = false;
}
public static PdnSynchronizationContextController Install(WaitForMultipleObjectsExDelegate waitForMultipleObjectsExCallback, SleepExDelegate sleepExCallback)
{
SynchronizationContext current = SynchronizationContext.Current;
if (current == null)
{
ExceptionUtil.ThrowInvalidOperationException("An SynchronizationContext must already be installed before PdnSynchronizationContext may be installed");
}
PdnSynchronizationContext context = new PdnSynchronizationContext(current, waitForMultipleObjectsExCallback, sleepExCallback);
if (Interlocked.CompareExchange <PdnSynchronizationContext>(ref instance, context, null) != null)
{
ExceptionUtil.ThrowInvalidOperationException("Install() may only be called once");
}
SynchronizationContext.SetSynchronizationContext(context);
context.isInstalled = true;
return(new PdnSynchronizationContextController(context));
}
internal PdnSynchronizationContextController(PdnSynchronizationContext instance)
{
this.Instance = instance;
}
