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GetMaximumProcessorCount function

Returns the maximum number of logical processors that a processor group or the system can have.

Syntax


DWORD GetMaximumProcessorCount(
  _In_  WORD GroupNumber
);

Parameters

GroupNumber [in]

The processor group number. If this parameter is ALL_PROCESSOR_GROUPS, the function returns the maximum number of processors that the system can have.

Return value

If the function succeeds, the return value is the maximum number of processors that the specified group can have.

If the function fails, the return value is zero. To get extended error information, use GetLastError.

Remarks

To compile an application that uses this function, set _WIN32_WINNT >= 0x0601. For more information, see Using the Windows Headers.

Requirements

Minimum supported client

Windows 7 [desktop apps only]

Minimum supported server

Windows Server 2008 R2 [desktop apps only]

Header

WinBase.h (include Windows.h)

Library

Kernel32.lib

DLL

Kernel32.dll

 

 

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