33 lines
1020 B
C#
33 lines
1020 B
C#
using System;
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namespace Umbraco.Core
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{
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/// <summary>
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/// Provides an equivalent to the c# lock statement, to be used in a using block.
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/// </summary>
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/// <remarks>Ie replace <c>lock (o) {...}</c> by <c>using (new MonitorLock(o)) { ... }</c></remarks>
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public class MonitorLock : IDisposable
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{
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private readonly object _locker;
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private readonly bool _entered;
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/// <summary>
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/// Initializes a new instance of the <see cref="MonitorLock"/> class with an object to lock.
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/// </summary>
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/// <param name="locker">The object to lock.</param>
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/// <remarks>Should always be used within a using block.</remarks>
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public MonitorLock(object locker)
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{
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_locker = locker;
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_entered = false;
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System.Threading.Monitor.Enter(_locker, ref _entered);
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}
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void IDisposable.Dispose()
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{
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if (_entered)
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System.Threading.Monitor.Exit(_locker);
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}
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}
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}
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