annotate Implab/Parallels/Signal.cs @ 196:40d7fed4a09e

fixed promise chaining behavior, the error handler doesn't handle result or cancellation handlers exceptions these exceptions are propagated to the next handlers.
author cin
date Mon, 29 Aug 2016 23:15:51 +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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