public static List <ProcessorInfo> GetProcessorInfo64()
{
uint iReturnLength = 0;
SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64[] oDummy = null;
bool bResult = GetLogicalProcessorInformation(oDummy, ref iReturnLength);
if (bResult)
{
throw Fail("GetLogicalProcessorInformation failed.", "x64");
}
int iError = Marshal.GetLastWin32Error();
if (iError != ERROR_INSUFFICIENT_BUFFER)
{
throw Fail("Insufficient space in the buffer.", "x64", iError.ToString());
}
uint iBaseSize = (uint)Marshal.SizeOf(typeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64));
uint iNumberOfElements = iReturnLength / iBaseSize;
SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64[] oData = new SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64[iNumberOfElements];
uint iAllocatedSize = iNumberOfElements * iBaseSize;
if (!GetLogicalProcessorInformation(oData, ref iAllocatedSize))
{
throw Fail("GetLogicalProcessorInformation failed", "x64", Marshal.GetLastWin32Error().ToString());
}
// Converting the data to a list that we can easily interpret.
List <ProcessorInfo> oList = new List <ProcessorInfo>();
foreach (SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64 oInfo in oData)
{
oList.Add(new ProcessorInfo(oInfo.Relationship, oInfo.Flags, oInfo.ProcessorMask));
}
return(oList);
}
private static List<ProcessorInfo> GetProcessorInfo64()
{
//----------------------------------------------
// Intel Corporation
// Copyright © 2009/2010 - All Rights Reserved
// Department : SST/NTE
// Written by : Bill Hines - [email protected]
// Modified by : N/A
// Date : 12/4/2009
//----------------------------------------------
// First we're going to execute GetLogicalProcessorInformation
// once to make sure that we determine the size of the data
// that it is going to return.
// This call should fail with error ERROR_INSUFFICIENT_BUFFER.
//----------------------------------------------
uint iReturnLength = 0;
SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64[] oDummy = null;
bool bResult = GetLogicalProcessorInformation(oDummy,
ref iReturnLength);
if (bResult)
{
throw Fail("GetLogicalProcessorInformation failed.", "x64");
}
//----------------------------------------------
// Making sure that the error code that we got back is not
// that there is in sufficient space in the buffer.
//----------------------------------------------
int iError = Marshal.GetLastWin32Error();
if (iError != ERROR_INSUFFICIENT_BUFFER)
{
throw Fail(
"Insufficient space in the buffer.",
"x64", iError.ToString());
}
//----------------------------------------------
// Now that we know how much space we should reserve,
// we're going to reserve it and call
// GetLogicalProcessorInformation again.
//----------------------------------------------
uint iBaseSize = (uint)Marshal.SizeOf(
typeof(SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64));
uint iNumberOfElements = iReturnLength / iBaseSize;
SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64[] oData =
new SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64[iNumberOfElements];
uint iAllocatedSize = iNumberOfElements * iBaseSize;
if (!GetLogicalProcessorInformation(oData, ref iAllocatedSize))
{
throw Fail("GetLogicalProcessorInformation failed",
"x64", Marshal.GetLastWin32Error().ToString());
}
//----------------------------------------------
// Convert data to a list that can be interpreted.
//----------------------------------------------
List<ProcessorInfo> oList = new List<ProcessorInfo>();
foreach (SYSTEM_LOGICAL_PROCESSOR_INFORMATIONx64 oInfo in oData)
{
oList.Add(new ProcessorInfo(
oInfo.Relationship,
oInfo.Flags, oInfo.ProcessorMask));
}
return oList;
}
