NdisFreeSpinLock function

The NdisFreeSpinLock function releases a spin lock initialized in a preceding call to the NdisAllocateSpinLock functioin.

Syntax


VOID NdisFreeSpinLock(
  _In_  PNDIS_SPIN_LOCK SpinLock
);

Parameters

SpinLock [in]

Pointer to the spin lock to be deinitialized.

Return value

None

Remarks

If the caller of NdisFreeSpinLock needs to use the spin lock again, it must call NdisAllocateSpinLock before passing that spin lock pointer to any of the Ndis..SpinLock or NdisInterlockedXxx functions.

Callers of NdisFreeSpinLock can run at any IRQL. Usually, this function is not called until a driver is unloading.

Requirements

Version

Supported for NDIS 6.0 and NDIS 5.1 drivers (see NdisFreeSpinLock (NDIS 5.1)) in Windows Vista. Supported for NDIS 5.1 drivers (see NdisFreeSpinLock (NDIS 5.1)) in Windows XP.

Header

Ndis.h (include Ndis.h)

IRQL

Any level (see Remarks section)

DDI compliance rules

Irql_Miscellaneous_Function

See also

MiniportHaltEx
NdisAcquireSpinLock
NdisAllocateSpinLock
NdisDprAcquireSpinLock
NdisDprReleaseSpinLock
NdisInterlockedAddUlong
NdisInterlockedInsertHeadList
NdisInterlockedInsertTailList
NdisInterlockedRemoveHeadList
NdisReleaseSpinLock

 

 

Send comments about this topic to Microsoft

Show:
© 2014 Microsoft