56 lines
1.5 KiB
C#
56 lines
1.5 KiB
C#
namespace System.Web.Mvc.Async {
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using System;
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using System.Threading;
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internal sealed class SimpleAsyncResult : IAsyncResult {
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private readonly object _asyncState;
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private bool _completedSynchronously;
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private volatile bool _isCompleted;
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public SimpleAsyncResult(object asyncState) {
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_asyncState = asyncState;
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}
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public object AsyncState {
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get {
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return _asyncState;
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}
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}
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// ASP.NET IAsyncResult objects should never expose a WaitHandle due to potential deadlocking
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public WaitHandle AsyncWaitHandle {
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get {
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return null;
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}
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}
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public bool CompletedSynchronously {
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get {
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return _completedSynchronously;
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}
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}
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public bool IsCompleted {
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get {
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return _isCompleted;
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}
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}
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// Proper order of execution:
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// 1. Set the CompletedSynchronously property to the correct value
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// 2. Set the IsCompleted flag
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// 3. Execute the callback
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// 4. Signal the WaitHandle (which we don't have)
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public void MarkCompleted(bool completedSynchronously, AsyncCallback callback) {
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_completedSynchronously = completedSynchronously;
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_isCompleted = true;
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if (callback != null) {
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callback(this);
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}
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}
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}
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}
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