Edit

NdisDprReleaseSpinLock macro (ndis.h)

  • Article

The NdisDprReleaseSpinLock function releases a spin lock acquired in the immediately preceding call to the NdisDprAcquireSpinLock function.

Syntax

void NdisDprReleaseSpinLock(
  [in]  _SpinLock
);

Parameters

[in] _SpinLock

Pointer to the acquired spin lock to be released.

Return value

None

Remarks

Release of the spin lock allows another driver function to use the resources the lock protects after that function acquires the spin lock.

A spin lock acquired with NdisDprAcquireSpinLock must be released with NdisDprReleaseSpinLock. A spin lock acquired with NdisAcquireSpinLock must be released with NdisReleaseSpinLock.

For more information about acquiring and releasing NDIS spin locks, see Synchronization and Notification in Network Drivers.

Requirements

Requirement Value
Minimum supported client Supported for NDIS 6.0 and NDIS 5.1 drivers (see NdisDprReleaseSpinLock (NDIS 5.1)) in Windows Vista. Supported for NDIS 5.1 drivers (see NdisDprReleaseSpinLock (NDIS 5.1)) in Windows XP.
Target Platform Universal
Header ndis.h (include Ndis.h)
Library Ndis.lib
IRQL DISPATCH_LEVEL
DDI compliance rules Irql_Synch_Function(ndis), SpinLock(ndis), SpinLockBalanced(ndis), SpinLockDpr(ndis), SpinLockDprRelease(ndis), SpinlockRelease(ndis)

See also

NdisDprAcquireSpinLock