X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=blobdiff_plain;f=mcs%2Fclass%2Fcorlib%2FSystem.Threading%2FReaderWriterLock.cs;h=19feeff959169fe2f972aa375841bc300214bc84;hb=6ea7633b75f9ced0b86b36de20e933fdbdcb5776;hp=74e554031be7365dcb68e254af24f24633cf72fb;hpb=2007998771b1c4d9e762943676d7959daaf74385;p=mono.git

diff --git a/mcs/class/corlib/System.Threading/ReaderWriterLock.cs b/mcs/class/corlib/System.Threading/ReaderWriterLock.cs
index 74e554031be..19feeff9591 100644
--- a/mcs/class/corlib/System.Threading/ReaderWriterLock.cs
+++ b/mcs/class/corlib/System.Threading/ReaderWriterLock.cs
@@ -35,9 +35,19 @@
 
 using System.Collections;
 
+#if NET_2_0
+using System.Runtime.InteropServices;
+using System.Runtime.ConstrainedExecution;
+#endif
+
 namespace System.Threading
 {
+#if NET_2_0
+	[ComVisible (true)]
+	public sealed class ReaderWriterLock: CriticalFinalizerObject
+#else
 	public sealed class ReaderWriterLock
+#endif
 	{
 		private int seq_num = 1;
 		private int state;
@@ -50,15 +60,32 @@ namespace System.Threading
 		{
 			writer_queue = new LockQueue (this);
 			reader_locks = new Hashtable ();
+
+#if NET_2_0
+			GC.SuppressFinalize (this);
+#endif
+		}
+
+#if NET_2_0
+		[MonoTODO]
+		~ReaderWriterLock ()
+		{
 		}
+#endif
 
 		public bool IsReaderLockHeld {
+#if NET_2_0
+			[ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
+#endif
 			get {
 				lock (this) return reader_locks.ContainsKey (Thread.CurrentThreadId);
 			}
 		}
 
 		public bool IsWriterLockHeld {
+#if NET_2_0
+			[ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
+#endif
 			get {
 				lock (this) return (state < 0 && Thread.CurrentThreadId == writer_lock_owner);
 			}
@@ -187,6 +214,9 @@ namespace System.Threading
 			return cookie;
 		}
 		
+#if NET_2_0
+		[ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
+#endif
 		public void ReleaseReaderLock()
 		{
 			lock (this) {
@@ -220,6 +250,9 @@ namespace System.Threading
 				writer_queue.Pulse ();
 		}
 
+#if NET_2_0
+		[ReliabilityContract (Consistency.WillNotCorruptState, Cer.Success)]
+#endif
 		public void ReleaseWriterLock()
 		{
 			lock (this) {