1 files changed, 0 insertions, 97 deletions
diff --git a/mcs/class/Mono.C5/UserGuideExamples/Locking.cs b/mcs/class/Mono.C5/UserGuideExamples/Locking.cs
deleted file mode 100644
index 30365596407..00000000000
--- a/mcs/class/Mono.C5/UserGuideExamples/Locking.cs
+++ /dev/null
@@ -1,97 +0,0 @@
-// C5 example: locking 2005-11-07
-
-// Compile with 
-//   csc /r:C5.dll Locking.cs 
-
-using System;
-using System.Threading;
-using C5;
-using SCG = System.Collections.Generic;
-
-namespace Locking {
-  class Locking {
-    static ArrayList<int> coll = new ArrayList<int>();
-    // static SCG.List<int> coll = new SCG.List<int>();
-    static readonly int count = 1000;
-
-    public static void Main(String[] args) {
-      Console.WriteLine("Adding and removing without locking:");
-      RunTwoThreads(delegate { AddAndRemove(15000); });
-      Console.WriteLine("coll has {0} items, should be 0", coll.Count);
-
-      coll = new ArrayList<int>();
-      Console.WriteLine("Adding and removing with locking:");
-      RunTwoThreads(delegate { SafeAddAndRemove(15000); });
-      Console.WriteLine("coll has {0} items, should be 0", coll.Count);
-
-      Console.WriteLine("Moving items without locking:");
-      ArrayList<int> from, to;
-      from = new ArrayList<int>();
-      to = new ArrayList<int>();
-      for (int i=0; i<count; i++) 
-        from.Add(i);
-      RunTwoThreads(delegate { while (!from.IsEmpty) Move(from, to); });
-      Console.WriteLine("coll has {0} items, should be {1}", to.Count, count);
-
-      Console.WriteLine("Moving items with locking:");
-      from = new ArrayList<int>();
-      to = new ArrayList<int>();
-      for (int i=0; i<count; i++) 
-        from.Add(i);
-      RunTwoThreads(delegate { while (!from.IsEmpty) SafeMove(from, to); });
-      Console.WriteLine("coll has {0} items, should be {1}", to.Count, count);
-    }
-
-    public static void RunTwoThreads(Act run) {
-      Thread t1 = new Thread(new ThreadStart(run)),
-             t2 = new Thread(new ThreadStart(run));
-      t1.Start(); t2.Start();
-      t1.Join(); t2.Join();
-    }
-
-    // Concurrently adding to and removing from an arraylist
-
-    public static void AddAndRemove(int count) {
-      for (int i=0; i<count; i++) 
-        coll.Add(i);
-      for (int i=0; i<count; i++)
-        coll.Remove(i);
-    }
-
-    private static readonly Object sync = new Object();
-
-    public static void SafeAddAndRemove(int count) {
-      for (int i=0; i<count; i++) 
-        lock (sync)
-          coll.Add(i);
-      for (int i=0; i<count; i++)
-        lock (sync)
-          coll.Remove(i);
-    }
-
-    public static void SafeAdd<T>(IExtensible<T> coll, T x) { 
-      lock (sync) {
-        coll.Add(x);
-      }
-    }
-
-    public static void Move<T>(ICollection<T> from, ICollection<T> to) { 
-      if (!from.IsEmpty) {  
-        T x = from.Choose();
-        Thread.Sleep(0);        // yield processor to other threads
-        from.Remove(x);
-        to.Add(x);
-      }
-    }
-    
-    public static void SafeMove<T>(ICollection<T> from, ICollection<T> to) { 
-      lock (sync) 
-        if (!from.IsEmpty) {  
-          T x = from.Choose();
-          Thread.Sleep(0);      // yield processor to other threads
-          from.Remove(x);
-          to.Add(x);
-        }
-    }
-  }
-}