GROUP_AFFINITY structure (winnt.h)

Represents a processor group-specific affinity, such as the affinity of a thread.

Syntax

typedef struct _GROUP_AFFINITY {
  KAFFINITY Mask;
  WORD      Group;
  WORD      Reserved[3];
} GROUP_AFFINITY, *PGROUP_AFFINITY;

Mask

A bitmap that specifies the affinity for zero or more processors within the specified group.

Group

The processor group number.

Reserved[3]

This member is reserved.

Requirement	Value
Minimum supported client	Windows 7 [desktop apps only]
Minimum supported server	Windows Server 2008 R2 [desktop apps only]
Header	winnt.h