43 lines
972 B
C#
43 lines
972 B
C#
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////////////////////////////////////////////////////////////////////////////////
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//
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// Microsoft Research Singularity
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//
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// Copyright (c) Microsoft Corporation. All rights reserved.
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//
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using Microsoft.Singularity;
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using System;
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using System.Runtime.CompilerServices;
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namespace System.Threading
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{
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///
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// Prevents preemption by disabling interrupts.
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//
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[NoCCtor]
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[CLSCompliant(false)]
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public struct PreemptionLock
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{
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[Inline]
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[NoHeapAllocation]
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public bool Lock()
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{
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#if TRACE
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Tracing.Log(Tracing.Debug, "PreemptionLock.Acquire()");
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#endif
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return Processor.DisableLocalPreemption();
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}
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[Inline]
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[NoHeapAllocation]
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public void Unlock(bool iflag)
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{
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#if TRACE
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Tracing.Log(Tracing.Debug, "PreemptionLock.Release()");
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#endif
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Processor.RestoreLocalPreemption(iflag);
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}
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}
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}
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