MegaBites-AI/Windows-powershell

1// Copyright (c) Microsoft Corporation.2// Licensed under the MIT License.3 4using System.Threading;5 6using Dbg = System.Management.Automation.Diagnostics;7 8namespace System.Management.Automation.Remoting9{10    /// <summary>11    /// Blocks caller trying to get the value of an object of type T12    /// until the value is set. After the set all future gets are13    /// unblocked.14    /// </summary>15    internal class AsyncObject<T> where T : class16    {17        /// <summary>18        /// Value.19        /// </summary>20        private T _value;21 22        /// <summary>23        /// Value was set.24        /// </summary>25        private readonly ManualResetEvent _valueWasSet;26 27        /// <summary>28        /// Value.29        /// </summary>30        internal T Value31        {32            get33            {34                bool result = _valueWasSet.WaitOne();35                if (!result)36                {37                    _value = null;38                }39 40                return _value;41            }42 43            set44            {45                _value = value;46                _valueWasSet.Set();47            }48        }49 50        /// <summary>51        /// Constructor for AsyncObject.52        /// </summary>53        internal AsyncObject()54        {55            _valueWasSet = new ManualResetEvent(false);56        }57    }58}59