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[Fix] Lock it early

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sta 2016-04-04 04:48:26 +09:00
parent 655acc6528
commit 83a07a988d
1 changed files with 13 additions and 8 deletions
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21
websocket-sharp/Net/HttpListener.cs
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@ -560,15 +560,20 @@ namespace WebSocketSharp.Net
if (!_listening)
throw new InvalidOperationException ("The listener hasn't been started.");
// Lock _waitQueue early to avoid race conditions.
lock (_waitQueueSync) {
var ctx = getContextFromQueue ();
if (ctx != null) {
asyncResult.Complete (ctx, true);
return asyncResult;
}
// Lock _ctxRegistrySync early to avoid race conditions.
lock (_ctxRegistrySync) {
if (!_listening)
throw new InvalidOperationException ("The listener is stopped/closed.");
_waitQueue.Add (asyncResult);
lock (_waitQueueSync) {
var ctx = getContextFromQueue ();
if (ctx != null) {
asyncResult.Complete (ctx, true);
return asyncResult;
}
_waitQueue.Add (asyncResult);
}
}
return asyncResult;