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PsSetSystemMultipleGroupAffinityThread function (wdm.h)

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The PsSetSystemMultipleGroupAffinityThread function sets the multi-group system affinity of the current thread.

Syntax

NTSTATUS PsSetSystemMultipleGroupAffinityThread(
  [in]      PGROUP_AFFINITY GroupAffinities,
  [in]      USHORT          GroupCount,
  [in, out] PAFFINITY_TOKEN AffinityToken
);

Parameters

[in] GroupAffinities

Supplies a pointer to an array of group affinity structures, which describe the new system affinity of the current thread.

[in] GroupCount

Supplies the number of elements in the group affinity array.

[in, out] AffinityToken

Supplies a pointer to an affinity token structure which must be returned by PsAllocateAffinityToken. On output it receives an opaque affinity token that must be passed to PsRevertToUserMultipleGroupAffinity to revert the thread to its previous affinity.

Return value

Returns an NTSTATUS code.

Requirements

Requirement Value
Minimum supported client Windows 11
Minimum supported server Windows Server 2022
Header wdm.h

See also

PsAllocateAffinityToken

PsRevertToUserMultipleGroupAffinity