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// VfsStreamAsyncResult.cs - IAsyncResult implementation for VfsStream.
//
// Authors: Jeroen Zwartepoorte <jeroen@xs4all.nl>
//
// Copyright (c) 2004 Jeroen Zwartepoorte
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of version 2 of the Lesser GNU General
// Public License as published by the Free Software Foundation.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this program; if not, write to the
// Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
using System;
using System.Threading;
namespace Gnome.Vfs {
public class VfsStreamAsyncResult : IAsyncResult {
private object state;
private bool completed = false;
private bool done = false;
private Exception exception = null;
private int nbytes = -1;
internal VfsStreamAsyncResult (object state)
{
this.state = state;
}
public object AsyncState {
get {
return state;
}
}
public WaitHandle AsyncWaitHandle {
get {
throw new NotSupportedException (
"Do NOT use the AsyncWaitHandle to " +
"wait until a Begin[Read,Write] call " +
"has finished since it will also block " +
"the gnome-vfs callback which unlocks " +
"the WaitHandle, causing a deadlock. " +
"Instead, use \"while (!asyncResult.IsCompleted) " +
"GLib.MainContext.Iteration ();\"");
}
}
public bool CompletedSynchronously {
get {
return true;
}
}
internal bool Done {
get {
return done;
}
set {
done = value;
}
}
public Exception Exception {
get {
return exception;
}
}
public bool IsCompleted {
get {
return completed;
}
}
public int NBytes {
get {
return nbytes;
}
}
internal void SetComplete (Exception e)
{
exception = e;
completed = true;
}
internal void SetComplete (Exception e, int nbytes)
{
this.nbytes = nbytes;
SetComplete (e);
}
}
}