Hardware Dev Center

NdisFreeSpinLock (NDIS 5.1) function

Note   NDIS 5. x has been deprecated and is superseded by NDIS 6. x. For new NDIS driver development, see Network Drivers Starting with Windows Vista. For information about porting NDIS 5. x drivers to NDIS 6. x, see Porting NDIS 5.x Drivers to NDIS 6.0.

NdisFreeSpinLock releases a spin lock initialized in a preceding call to NdisAllocateSpinLock.

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.

Usually, this function is not called until a driver is unloading.

Requirements

Target platform

Universal

Version

See NdisFreeSpinLock.

Header

Ndis.h (include Ndis.h)

IRQL

PASSIVE_LEVEL

See also

MiniportHalt
NdisAcquireSpinLock
NdisAllocateSpinLock
NdisDprAcquireSpinLock
NdisDprReleaseSpinLock
NdisInterlockedAddUlong
NdisInterlockedInsertHeadList
NdisInterlockedInsertTailList
NdisInterlockedRemoveHeadList
NdisReleaseSpinLock

 

 

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