KeReleaseInStackQueuedSpinLockForDpc function (wdm.h)
The KeReleaseInStackQueuedSpinLockForDpc routine releases a queued spin lock that was acquired by calling KeAcquireInStackQueuedSpinLockForDpc.
C++
void KeReleaseInStackQueuedSpinLockForDpc(
[in] PKLOCK_QUEUE_HANDLE LockHandle
);
[in] LockHandle
Pointer to the KLOCK_QUEUE_HANDLE structure that KeAcquireInStackQueuedSpinLockForDpc initialized when the queued spin lock was acquired.
None
For more information about queued spin locks, see Queued Spin Locks.
If the current IRQL was PASSIVE_LEVEL when the queued spin lock was acquired, KeReleaseSpinLockForDpc lowers the current IRQL to PASSIVE_LEVEL. If the current IRQL was DISPATCH_LEVEL when the queued spin lock was acquired, KeReleaseSpinLockForDpc does not change the current IRQL.
| Requirement | Value |
|---|---|
| Minimum supported client | Available in Windows Vista and later versions of Windows. |
| Target Platform | Universal |
| Header | wdm.h (include Wdm.h, Ntddk.h, Ntifs.h) |
| Library | NtosKrnl.lib |
| DLL | NtosKrnl.exe |
| IRQL | See Remarks section. |
| DDI compliance rules | HwStorPortProhibitedDDIs(storport) |