1 files changed, 72 insertions, 0 deletions

diff --git a/OpenSim/Framework/ThreadSafeRandom.cs b/OpenSim/Framework/ThreadSafeRandom.cs
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+++ b/OpenSim/Framework/ThreadSafeRandom.cs
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+/*
+ * Copyright (c) Contributors, http://opensimulator.org/
+ * See CONTRIBUTORS.TXT for a full list of copyright holders.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in the
+ *       documentation and/or other materials provided with the distribution.
+ *     * Neither the name of the OpenSimulator Project nor the
+ *       names of its contributors may be used to endorse or promote products
+ *       derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+using System;
+
+namespace OpenSim.Framework
+{
+    /// <summary>
+    /// A thread-safe Random since the .NET version is not.
+    /// See http://msdn.microsoft.com/en-us/library/system.random%28v=vs.100%29.aspx
+    /// </summary>
+    public class ThreadSafeRandom : Random
+    {
+        public ThreadSafeRandom() : base() {}
+
+        public ThreadSafeRandom(int seed): base (seed) {}
+
+        public override int Next()
+        {
+            lock (this)
+                return base.Next();
+        }
+
+        public override int Next(int maxValue)
+        {
+            lock (this)
+                return base.Next(maxValue);
+        }
+
+        public override int Next(int minValue, int maxValue)
+        {
+            lock (this)
+                return base.Next(minValue, maxValue);
+        }
+
+        public override void NextBytes(byte[] buffer)
+        {
+            lock (this)
+                base.NextBytes(buffer);
+        }
+
+        public override double NextDouble()
+        {
+            lock (this)
+                return base.NextDouble();
+        }
+    }
+}
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