private void PerformCleanupImpl()
{
SpinWait wait = new SpinWait();
while (true)
{
CleanupSourceState state = this.State;
CleanupSourceState state2 = (state | CleanupSourceState.Cleaning) & ~CleanupSourceState.CleanupNeeded;
CleanupSourceState state3 = (CleanupSourceState)Interlocked.CompareExchange(ref this.state, (int)state2, (int)state);
if (state == state3)
{
break;
}
wait.SpinOnce();
}
this.OnPerformCleanup();
wait.Reset();
while (true)
{
CleanupSourceState state4 = this.State;
CleanupSourceState state5 = state4 & ~CleanupSourceState.Cleaning;
CleanupSourceState state6 = (CleanupSourceState)Interlocked.CompareExchange(ref this.state, (int)state5, (int)state4);
if (state4 == state6)
{
break;
}
wait.SpinOnce();
}
}
public void RequestCleanup()
{
CleanupSourceState state = this.State;
if ((state & CleanupSourceState.CleanupNeeded) != CleanupSourceState.CleanupNeeded)
{
CleanupSourceState state2 = state | CleanupSourceState.CleanupNeeded;
CleanupSourceState state3 = (CleanupSourceState)Interlocked.CompareExchange(ref this.state, (int)state2, (int)state);
if ((state == state3) && CleanupThread.EnsureEnqueued(this))
{
this.OnPerformCleanupQueued();
}
}
}
