struct _KGUARDED_MUTEX// Size=0x20
{
    long Count;// Offset=0x0 Size=0x4
    struct _KTHREAD * Owner;// Offset=0x4 Size=0x4
    unsigned long Contention;// Offset=0x8 Size=0x4
    struct _KGATE Gate;// Offset=0xc Size=0x10
    short KernelApcDisable;// Offset=0x1c Size=0x2
    short SpecialApcDisable;// Offset=0x1e Size=0x2
    unsigned long CombinedApcDisable;// Offset=0x1c Size=0x4
};