_KGUARDED_MUTEX

Metadatacopy
struct _KGUARDED_MUTEX {
    volatile long Count;/* 0x0  4 */
    /* 4 bytes padding */
    struct _KTHREAD* Owner;/* 0x8  8 */
    unsigned long Contention;/* 0x10  4 */
    /* 4 bytes padding */
    struct _KGATE Gate;/* 0x18  24 */
    union {
        struct {
            short KernelApcDisable;/* 0x30  2 */
            short SpecialApcDisable;/* 0x32  2 */
        };/* 0x30  4 */
        unsigned long CombinedApcDisable;/* 0x30  4 */
    };/* 0x30  4 */
};