_UMS_CONTROL_BLOCK

Metadatacopy
struct _UMS_CONTROL_BLOCK {
    struct _RTL_UMS_CONTEXT* UmsContext;/* 0x0  8 */
    struct _SINGLE_LIST_ENTRY* CompletionListEntry;/* 0x8  8 */
    struct _KEVENT* CompletionListEvent;/* 0x10  8 */
    unsigned long ServiceSequenceNumber;/* 0x18  4 */
    /* 4 bytes padding */
    union {
        struct {
            struct _KQUEUE UmsQueue;/* 0x20  64 */
            struct _LIST_ENTRY QueueEntry;/* 0x60  16 */
            struct _RTL_UMS_CONTEXT* YieldingUmsContext;/* 0x70  8 */
            void* YieldingParam;/* 0x78  8 */
            void* UmsTeb;/* 0x80  8 */
        };/* 0x20  104 */
        struct {
            struct _KQUEUE* UmsAssociatedQueue;/* 0x20  8 */
            struct _LIST_ENTRY* UmsQueueListEntry;/* 0x28  8 */
            struct _KEVENT UmsWaitEvent;/* 0x30  24 */
            void* StagingArea;/* 0x48  8 */
            union {
                struct {
                    unsigned long UmsPrimaryDeliveredContext : 1;/* 0x50:0  4 */
                    unsigned long UmsAssociatedQueueUsed : 1;/* 0x50:1  4 */
                    unsigned long UmsThreadParked : 1;/* 0x50:2  4 */
                };/* 0x50  4 */
                unsigned long UmsFlags;/* 0x50  4 */
            };/* 0x50  4 */
        };/* 0x20  52 */
    };/* 0x20  104 */
};