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annotate Implab/Parallels/Signal.cs @ 187:dd4a3590f9c6 ref20160224

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Reworked cancelation handling, if the cancel handler isn't specified the OperationCanceledException will be handled by the error handler Any unhandled OperationCanceledException will cause the promise cancelation
author cin
date Tue, 19 Apr 2016 17:35:20 +0300
parents 471f596b2603
children
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6241bff0cd64 Added Signal class a lightweight alternative to ManualResetEvent
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1 using System;
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2 using System.Threading;
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3
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4 namespace Implab.Parallels {
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5 /// <summary>
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6 /// Implements a simple signalling logic using <see cref="Monitor.PulseAll(object)"/>.
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7 /// </summary>
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8 public class Signal {
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9 readonly object m_lock = new object();
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10 bool m_state;
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11
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12 public void Set() {
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13 lock(m_lock) {
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14 m_state = true;
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15 Monitor.PulseAll(m_lock);
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16 }
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17 }
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18
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19 public void Wait() {
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20 lock (m_lock)
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21 if (!m_state)
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22 Monitor.Wait(m_lock);
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23 }
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24
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25 public bool Wait(int timeout) {
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26 lock (m_lock)
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27 return m_state || Monitor.Wait(m_lock, timeout);
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28 }
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29 }
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30 }
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