68 lines
2.2 KiB
C#
68 lines
2.2 KiB
C#
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//
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// TaskExceptionSlot.cs
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//
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// Authors:
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// Marek Safar <marek.safar@gmail.com>
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// Jérémie Laval <jeremie dot laval at xamarin dot com>
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//
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// Copyright (c) 2008 Jérémie "Garuma" Laval
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// Copyright 2011 Xamarin Inc (http://www.xamarin.com).
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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//
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#if NET_4_0
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using System;
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using System.Collections.Concurrent;
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namespace System.Threading.Tasks
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{
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internal class TaskExceptionSlot
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{
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public volatile AggregateException Exception;
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public volatile bool Observed;
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public ConcurrentQueue<AggregateException> ChildExceptions;
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Task parent;
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public TaskExceptionSlot (Task parent)
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{
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this.parent = parent;
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}
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~TaskExceptionSlot ()
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{
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if (Exception != null && !Observed && !TaskScheduler.FireUnobservedEvent (parent, Exception).Observed) {
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// NET 4.5 changed the default exception behavior for unobserved exceptions. Unobserved exceptions still cause
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// the UnobservedTaskException event to be raised but the process will not crash by default
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//
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// .NET allows to configure this using config element ThrowUnobservedTaskExceptions
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//
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#if !NET_4_5
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throw Exception;
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#endif
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}
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}
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}
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}
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#endif
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