PROCESS_AFFINITY_UPDATE_MODE - NtDoc

#ifndef _NTPSAPI_H

typedef union _PROCESS_AFFINITY_UPDATE_MODE
{
    ULONG Flags;
    struct
    {
        ULONG EnableAutoUpdate : 1;
        ULONG Permanent : 1;
        ULONG Reserved : 30;
    };
} PROCESS_AFFINITY_UPDATE_MODE, *PPROCESS_AFFINITY_UPDATE_MODE;

#endif
View code on GitHub