2 // System.Threading.LockCookie.cs
5 // Dick Porter (dick@ximian.com)
7 // (C) Ximian, Inc. http://www.ximian.com
11 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
13 // Permission is hereby granted, free of charge, to any person obtaining
14 // a copy of this software and associated documentation files (the
15 // "Software"), to deal in the Software without restriction, including
16 // without limitation the rights to use, copy, modify, merge, publish,
17 // distribute, sublicense, and/or sell copies of the Software, and to
18 // permit persons to whom the Software is furnished to do so, subject to
19 // the following conditions:
21 // The above copyright notice and this permission notice shall be
22 // included in all copies or substantial portions of the Software.
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 using System.Runtime.InteropServices;
35 namespace System.Threading
38 public struct LockCookie
40 internal int ThreadId;
41 internal int ReaderLocks;
42 internal int WriterLocks;
44 internal LockCookie (int thread_id)
51 internal LockCookie (int thread_id, int reader_locks, int writer_locks)
54 ReaderLocks = reader_locks;
55 WriterLocks = writer_locks;
58 public override int GetHashCode ()
60 return(base.GetHashCode ());
63 public bool Equals (LockCookie obj)
65 if (this.ThreadId == obj.ThreadId &&
66 this.ReaderLocks == obj.ReaderLocks &&
67 this.WriterLocks == obj.WriterLocks) {
74 public override bool Equals (Object obj)
76 if (!(obj is LockCookie)) {
80 return(obj.Equals (this));
83 public static bool operator == (LockCookie a, LockCookie b)
88 public static bool operator != (LockCookie a, LockCookie b)