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//
// System.Threading.SynchronizationContext.cs
//
// Author:
// Lluis Sanchez (lluis@novell.com)
//
// Copyright (C) 2004-2005 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.
//
#if NET_2_0
using System.Runtime.ConstrainedExecution;
using System.Runtime.InteropServices;
namespace System.Threading
{
public class SynchronizationContext
{
bool notification_required;
[ThreadStatic]
static SynchronizationContext currentContext;
public SynchronizationContext ()
{
}
internal SynchronizationContext (SynchronizationContext context)
{
currentContext = context;
}
public static SynchronizationContext Current
{
get {
#if NET_2_1
if (currentContext == null)
currentContext = new SynchronizationContext ();
#endif
return currentContext;
}
}
public virtual SynchronizationContext CreateCopy ()
{
return new SynchronizationContext (this);
}
public bool IsWaitNotificationRequired ()
{
return notification_required;
}
public virtual void OperationCompleted ()
{
}
public virtual void OperationStarted ()
{
}
public virtual void Post (SendOrPostCallback d, object state)
{
ThreadPool.QueueUserWorkItem (new WaitCallback (d), state);
}
public virtual void Send (SendOrPostCallback d, object state)
{
d (state);
}
public static void SetSynchronizationContext (SynchronizationContext syncContext)
{
currentContext = syncContext;
}
#if NET_2_1
[Obsolete]
public static void SetThreadStaticContext (SynchronizationContext syncContext)
{
currentContext = syncContext;
}
#endif
[MonoTODO]
protected void SetWaitNotificationRequired ()
{
notification_required = true;
throw new NotImplementedException ();
}
[CLSCompliant (false)]
[PrePrepareMethod ()]
public virtual int Wait (IntPtr[] waitHandles, bool waitAll, int millisecondsTimeout)
{
return WaitHelper (waitHandles, waitAll, millisecondsTimeout);
}
[MonoTODO]
[CLSCompliant (false)]
[ReliabilityContract (Consistency.WillNotCorruptState, Cer.MayFail)]
[PrePrepareMethod ()]
protected static int WaitHelper (IntPtr[] waitHandles, bool waitAll, int millisecondsTimeout)
{
throw new NotImplementedException ();
}
}
}
#endif
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