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//
// System.Threading.LockCookie.cs
//
// Author:
// Dick Porter (dick@ximian.com)
//
// (C) Ximian, Inc. http://www.ximian.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;
namespace System.Threading
{
[ComVisible (true)]
public struct LockCookie
{
internal int ThreadId;
internal int ReaderLocks;
internal int WriterLocks;
internal LockCookie (int thread_id)
{
ThreadId = thread_id;
ReaderLocks = 0;
WriterLocks = 0;
}
internal LockCookie (int thread_id, int reader_locks, int writer_locks)
{
ThreadId = thread_id;
ReaderLocks = reader_locks;
WriterLocks = writer_locks;
}
public override int GetHashCode ()
{
return(base.GetHashCode ());
}
public bool Equals (LockCookie obj)
{
if (this.ThreadId == obj.ThreadId &&
this.ReaderLocks == obj.ReaderLocks &&
this.WriterLocks == obj.WriterLocks) {
return(true);
} else {
return(false);
}
}
public override bool Equals (Object obj)
{
if (!(obj is LockCookie)) {
return(false);
}
return(obj.Equals (this));
}
public static bool operator == (LockCookie a, LockCookie b)
{
return a.Equals (b);
}
public static bool operator != (LockCookie a, LockCookie b)
{
return !a.Equals (b);
}
}
}
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