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[Modify] Polish it

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sta 2021-03-29 17:41:37 +09:00
parent ad5f5aeb0c
commit 7fa4cc4f0c
1 changed files with 13 additions and 4 deletions
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17
websocket-sharp/Net/HttpListener.cs
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@ -722,17 +722,26 @@ namespace WebSocketSharp.Net
public HttpListenerContext EndGetContext (IAsyncResult asyncResult)
{
CheckDisposed ();
if (asyncResult == null)
throw new ArgumentNullException ("asyncResult");
var ares = asyncResult as HttpListenerAsyncResult;
if (ares == null)
throw new ArgumentException ("A wrong IAsyncResult.", "asyncResult");
if (ares.EndCalled)
throw new InvalidOperationException ("This IAsyncResult cannot be reused.");
if (ares == null) {
var msg = "A wrong IAsyncResult instance.";
throw new ArgumentException (msg, "asyncResult");
}
if (ares.EndCalled) {
var msg = "This IAsyncResult instance cannot be reused.";
throw new InvalidOperationException (msg);
}
ares.EndCalled = true;
if (!ares.IsCompleted)
ares.AsyncWaitHandle.WaitOne ();