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// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
/*============================================================
**
** Class: SafeWaitHandle
**
**
** A wrapper for Win32 events (mutexes, auto reset events, and
** manual reset events). Used by WaitHandle.
**
**
===========================================================*/
using System;
using System.Security;
using System.Security.Permissions;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using System.Runtime.ConstrainedExecution;
using System.Runtime.Versioning;
using Microsoft.Win32;
using System.Threading;
namespace Microsoft.Win32.SafeHandles {
[System.Security.SecurityCritical] // auto-generated_required
public sealed class SafeWaitHandle : SafeHandleZeroOrMinusOneIsInvalid
{
// Called by P/Invoke marshaler
private SafeWaitHandle() : base(true)
{
}
[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
public SafeWaitHandle(IntPtr existingHandle, bool ownsHandle) : base(ownsHandle)
{
SetHandle(existingHandle);
}
[System.Security.SecurityCritical]
[ResourceExposure(ResourceScope.Machine)]
[ResourceConsumption(ResourceScope.Machine)]
override protected bool ReleaseHandle()
{
#if MONO
NativeEventCalls.CloseEvent_internal (handle);
return true;
#else
return Win32Native.CloseHandle(handle);
#endif
}
}
}
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