GtkSharp/Source/Libs/GLibSharp/GLibSynchronizationContext.cs

71 lines
1.9 KiB
C#

//
// GLibSynchronizationContext.cs
//
// Author:
// Rickard Edström <ickard@gmail.com>
//
// Copyright (c) 2010 Rickard Edström
//
// 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;
using System.Threading;
namespace GLib
{
public class GLibSynchronizationContext : SynchronizationContext
{
public override void Post (SendOrPostCallback d, object state)
{
PostAction (() => d (state));
}
public override void Send (SendOrPostCallback d, object state)
{
var mre = new ManualResetEvent (false);
Exception error = null;
PostAction (() =>
{
try {
d (state);
} catch (Exception ex) {
error = ex;
} finally {
mre.Set ();
}
});
mre.WaitOne ();
if (error != null) {
throw error;
}
}
void PostAction (Action action)
{
Idle.Add (() =>
{
action ();
return false;
});
}
}
}