1 files changed, 0 insertions, 113 deletions
diff --git a/Rx.NET/System.Reactive.Core/Reactive/Internal/SystemClock.Default.cs b/Rx.NET/System.Reactive.Core/Reactive/Internal/SystemClock.Default.cs
deleted file mode 100644
index b9c8167..0000000
--- a/Rx.NET/System.Reactive.Core/Reactive/Internal/SystemClock.Default.cs
+++ /dev/null
@@ -1,113 +0,0 @@
-// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information.
-
-using System.ComponentModel;
-using System.Reactive.Concurrency;
-using System.Reactive.Disposables;
-
-namespace System.Reactive.PlatformServices
-{
-    /// <summary>
-    /// (Infrastructure) Provides access to the local system clock.
-    /// </summary>
-    [EditorBrowsable(EditorBrowsableState.Never)]
-    public class DefaultSystemClock : ISystemClock
-    {
-        /// <summary>
-        /// Gets the current time.
-        /// </summary>
-        public DateTimeOffset UtcNow
-        {
-            get { return DateTimeOffset.UtcNow; }
-        }
-    }
-
-    internal class DefaultSystemClockMonitor : PeriodicTimerSystemClockMonitor
-    {
-        private static readonly TimeSpan DEFAULT_PERIOD = TimeSpan.FromSeconds(1);
-
-        public DefaultSystemClockMonitor()
-            : base(DEFAULT_PERIOD)
-        {
-        }
-    }
-
-    /// <summary>
-    /// (Infrastructure) Monitors for system clock changes based on a periodic timer.
-    /// </summary>
-    [EditorBrowsable(EditorBrowsableState.Never)]
-    public class PeriodicTimerSystemClockMonitor : INotifySystemClockChanged
-    {
-        private readonly TimeSpan _period;
-        private readonly SerialDisposable _timer;
-
-        private DateTimeOffset _lastTime;
-        private EventHandler<SystemClockChangedEventArgs> _systemClockChanged;
-
-        private const int SYNC_MAXRETRIES = 100;
-        private const double SYNC_MAXDELTA = 10;
-        private const int MAXERROR = 100;
-
-        /// <summary>
-        /// Creates a new monitor for system clock changes with the specified polling frequency.
-        /// </summary>
-        /// <param name="period">Polling frequency for system clock changes.</param>
-        public PeriodicTimerSystemClockMonitor(TimeSpan period)
-        {
-            _period = period;
-            _timer = new SerialDisposable();
-        }
-
-        /// <summary>
-        /// Event that gets raised when a system clock change is detected.
-        /// </summary>
-        public event EventHandler<SystemClockChangedEventArgs> SystemClockChanged
-        {
-            add
-            {
-                NewTimer();
-
-                _systemClockChanged += value;
-            }
-
-            remove
-            {
-                _systemClockChanged -= value;
-
-                _timer.Disposable = Disposable.Empty;
-            }
-        }
-
-        private void NewTimer()
-        {
-            _timer.Disposable = Disposable.Empty;
-
-            var n = 0;
-            do
-            {
-                _lastTime = SystemClock.UtcNow;
-                _timer.Disposable = ConcurrencyAbstractionLayer.Current.StartPeriodicTimer(TimeChanged, _period);
-            } while (Math.Abs((SystemClock.UtcNow - _lastTime).TotalMilliseconds) > SYNC_MAXDELTA && ++n < SYNC_MAXRETRIES);
-
-            if (n >= SYNC_MAXRETRIES)
-                throw new InvalidOperationException(Strings_Core.FAILED_CLOCK_MONITORING);
-        }
-
-        private void TimeChanged()
-        {
-            var now = SystemClock.UtcNow;
-            var diff = now - (_lastTime + _period);
-            if (Math.Abs(diff.TotalMilliseconds) >= MAXERROR)
-            {
-                var scc = _systemClockChanged;
-                if (scc != null)
-                    scc(this, new SystemClockChangedEventArgs(_lastTime + _period, now));
-
-                NewTimer();
-            }
-            else
-            {
-                _lastTime = SystemClock.UtcNow;
-            }
-        }
-    }
-}