2005-12-07 Zoltan Varga <vargaz@gmail.com>

[mono.git] / mcs / class / corlib / System.Threading / Overlapped.cs

diff --git a/mcs/class/corlib/System.Threading/Overlapped.cs b/mcs/class/corlib/System.Threading/Overlapped.cs
old mode 100755 (executable)
new mode 100644 (file)
index 25f33bf..b5bb12d
--- a/mcs/class/corlib/System.Threading/Overlapped.cs
+++ b/mcs/class/corlib/System.Threading/Overlapped.cs
@@ -1,92 +1,121 @@
 //
 // System.Threading.Overlapped.cs
 //
-// Author:
-//   Dick Porter (dick@ximian.com)
+// Authors:
+//     Dick Porter (dick@ximian.com)
+//     Gonzalo Paniagua Javier (gonzalo@ximian.com);
 //
 // (C) Ximian, Inc.  http://www.ximian.com
+// (C) 2004 Novell, Inc. (http://www.novell.com)
 //
 
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System.Runtime.InteropServices;
+using System.Security.Permissions;
 
 namespace System.Threading
 {
        public class Overlapped
        {
-               [CLSCompliant(false)][MonoTODO]
-               unsafe public static void Free(NativeOverlapped *nativeOverlappedPtr) {
-                       // FIXME
+               IAsyncResult ares;
+               int offsetL;
+               int offsetH;
+               int evt;
+
+               public Overlapped ()
+               {
+               }
+
+               public Overlapped(int offsetLo, int offsetHi, int hEvent, IAsyncResult ar)
+               {
+                       offsetL = offsetLo;
+                       offsetH = offsetHi;
+                       evt = hEvent;
+                       ares = ar;
                }
 
-               [CLSCompliant(false)][MonoTODO]
-               unsafe public static Overlapped Unpack(NativeOverlapped *nativeOverlappedPtr) {
-                       // FIXME
-                       return(new Overlapped());
+               [CLSCompliant(false)]
+               unsafe public static void Free (NativeOverlapped *nativeOverlappedPtr)
+               {
+                       if ((IntPtr) nativeOverlappedPtr == IntPtr.Zero)
+                               throw new ArgumentNullException ("nativeOverlappedPtr");
+
+                       Marshal.FreeHGlobal ((IntPtr) nativeOverlappedPtr);
                }
 
-               [MonoTODO]
-               public Overlapped() {
-                       // FIXME
+               [CLSCompliant(false)]
+               unsafe public static Overlapped Unpack (NativeOverlapped *nativeOverlappedPtr)
+               {
+                       if ((IntPtr) nativeOverlappedPtr == IntPtr.Zero)
+                               throw new ArgumentNullException ("nativeOverlappedPtr");
+
+                       Overlapped result = new Overlapped ();
+                       result.offsetL = nativeOverlappedPtr->OffsetLow;
+                       result.offsetH = nativeOverlappedPtr->OffsetHigh;
+                       result.evt = nativeOverlappedPtr->EventHandle;
+                       return result;
                }
 
-               [MonoTODO]
-               public Overlapped(int offsetLo, int offsetHi, int hEvent, IAsyncResult ar) {
-                       // FIXME
+               [CLSCompliant(false)]
+               [MonoTODO ("Security - we need to propagate the call stack")]
+               unsafe public NativeOverlapped *Pack (IOCompletionCallback iocb)
+               {
+                       NativeOverlapped *result = (NativeOverlapped *) Marshal.AllocHGlobal (Marshal.SizeOf (typeof (NativeOverlapped)));
+                       result->OffsetLow = offsetL;
+                       result->OffsetHigh = offsetH;
+                       result->EventHandle = evt;
+                       return result;
+               }
+               
+               [CLSCompliant(false)]
+               [SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
+               unsafe public NativeOverlapped *UnsafePack (IOCompletionCallback iocb)
+               {
+                       // no need to propagate the call stack in the unsafe version
+                       return Pack (iocb);
                }
 
-               [MonoTODO]
                public IAsyncResult AsyncResult {
-                       get {
-                               // FIXME
-                               return(null);
-                       }
-                       
-                       set {
-                       }
+                       get { return ares; }
+                       set { ares = value; }
                }
 
-               [MonoTODO]
                public int EventHandle {
-                       get {
-                               // FIXME
-                               return(0);
-                       }
-                       
-                       set {
-                       }
+                       get { return evt; }
+                       set { evt = value; }
                }
 
-               [MonoTODO]
                public int OffsetHigh {
-                       get {
-                               // FIXME
-                               return(0);
-                       }
-                       
-                       set {
-                       }
+                       get { return offsetH; }
+                       set { offsetH = value; }
                }
 
-               [MonoTODO]
                public int OffsetLow {
-                       get {
-                               // FIXME
-                               return(0);
-                       }
-                       
-                       set {
-                       }
-               }
-
-               [CLSCompliant(false)][MonoTODO]
-               unsafe public NativeOverlapped *Pack(IOCompletionCallback iocb) {
-                       // FIXME
-                       return(null);
-               }
-               
-               [CLSCompliant(false)][MonoTODO]
-               unsafe public NativeOverlapped *UnsafePack(IOCompletionCallback iocb) {
-                       // FIXME
-                       return(null);
+                       get { return offsetL; }
+                       set { offsetL = value; }
                }
        }
 }
+