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Added property to GROUP_AFFINITY to make it easier to get/set the list of affinitized processors.

pull/83/head
David Hall 2019-10-17 09:15:36 -06:00
parent 94859900b7
commit b393d908a3
1 changed files with 25 additions and 0 deletions
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25
PInvoke/Kernel32/SystemTopologyApi.cs
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@ -1,5 +1,7 @@
using System;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using Vanara.Extensions;
namespace Vanara.PInvoke
{
@ -69,6 +71,29 @@ namespace Vanara.PInvoke
/// <summary>This member is reserved.</summary>
private ushort Reserved3;
/// <summary>Gets or sets the affinitized processors in the <see cref="Mask"/> field as their indexed values.</summary>
/// <value>The affinitized processors.</value>
public IEnumerable<uint> AffinitizedProcessors
{
get
{
var v = Mask.ToUInt64();
for (uint i = 0; i < UIntPtr.Size * 8; i++)
{
if ((v & 0x1UL) == 1)
yield return i;
v = v >> 1;
}
}
set
{
var v = 0UL;
foreach (var i in value)
v |= 1UL << (int)i;
Mask = (UIntPtr)v;
}
}
}
}
}