KfAcquireSpinLock function (wdm.h)

The KfAcquireSpinLock routine acquires a spin lock so the caller can synchronize access to shared data in a multiprocessor-safe way by raising IRQL.

Syntax

KIRQL KfAcquireSpinLock(
  PKSPIN_LOCK SpinLock
);

Parameters

SpinLock

Pointer to an initialized KSPIN_LOCK spin lock for which the caller provides the storage.

Remarks

For more information about spin locks, see Spin Locks.

Requirements

See also

• KeAcquireSpinLock
• KeInitializeSpinLock
• KeReleaseSpinLock
• KfReleaseSpinLock
• Spin Locks