95 lines
2.4 KiB
C#
95 lines
2.4 KiB
C#
//
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// System.Threading.LockCookie.cs
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//
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// Author:
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// Dick Porter (dick@ximian.com)
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//
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// (C) Ximian, Inc. http://www.ximian.com
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//
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Runtime.InteropServices;
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namespace System.Threading
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{
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[ComVisible (true)]
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public struct LockCookie
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{
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internal int ThreadId;
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internal int ReaderLocks;
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internal int WriterLocks;
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internal LockCookie (int thread_id)
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{
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ThreadId = thread_id;
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ReaderLocks = 0;
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WriterLocks = 0;
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}
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internal LockCookie (int thread_id, int reader_locks, int writer_locks)
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{
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ThreadId = thread_id;
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ReaderLocks = reader_locks;
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WriterLocks = writer_locks;
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}
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public override int GetHashCode ()
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{
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return(base.GetHashCode ());
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}
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public bool Equals (LockCookie obj)
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{
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if (this.ThreadId == obj.ThreadId &&
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this.ReaderLocks == obj.ReaderLocks &&
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this.WriterLocks == obj.WriterLocks) {
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return(true);
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} else {
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return(false);
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}
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}
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public override bool Equals (Object obj)
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{
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if (!(obj is LockCookie)) {
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return(false);
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}
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return(obj.Equals (this));
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}
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public static bool operator == (LockCookie a, LockCookie b)
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{
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return a.Equals (b);
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}
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public static bool operator != (LockCookie a, LockCookie b)
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{
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return !a.Equals (b);
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}
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}
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}
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