| Min version | 8.1 Update 1 | 8.1 | 10 Pre RTM | ||
|---|---|---|---|---|---|
| Max version | 8.1 Update 1 | 10 TH2 | |||
| Architecture | x86 | x64 | x86 | x64 | |
| x86 offset offset:bitpos | Field Name | x64 offset offset:bitpos | |||
| 0x0000:0x00 | uintptr_t Waiting | uintptr_t CrossThreadReleasable | 0x0000:0x00 | ||
| 0x0000 | void * LockState | 0x0000 | |||
| 0x0000:0x01 | uintptr_t Busy | 0x0000:0x01 | |||
| 0x0000:0x02 | uintptr_t Spare | uintptr_t Reserved | 0x0000:0x02 | ||
| 0x0000:0x1F | uintptr_t InTree | 0x0000:0x3F | |||
| 0x0004 | void * SessionState | 0x0008 | |||
| 0x0004 | unsigned long SessionId | 0x0008 | |||