using System;
using System.Runtime.ConstrainedExecution;
using System.Security.Permissions;
using Microsoft.Win32.SafeHandles;

namespace ArchestrAServices.Common;

[SecurityPermission(SecurityAction.InheritanceDemand, UnmanagedCode = true)]
[SecurityPermission(SecurityAction.Demand, UnmanagedCode = true)]
internal class ArchestraSafeHandle : SafeHandleZeroOrMinusOneIsInvalid
{
	internal static ArchestraSafeHandle Empty => new ArchestraSafeHandle();

	internal IntPtr Handle
	{
		get
		{
			return handle;
		}
		set
		{
			SetHandle(value);
		}
	}

	private ArchestraSafeHandle()
		: base(ownsHandle: true)
	{
	}

	[ReliabilityContract(Consistency.WillNotCorruptState, Cer.MayFail)]
	protected override bool ReleaseHandle()
	{
		return NativeMethods.CloseHandle(handle);
	}
}