DosAcquireSpinLock: Difference between revisions
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==Parameter== | ==Parameter== | ||
;Handle ([[HSPINLOCK]]):Handle to a spin lock | ;Handle ([[HSPINLOCK]]):Handle to a spin lock | ||
==Remarks== | |||
DosAcquireSpinLock is passed a handle which was returned by DosCreateSpinLock When control is returned to the requester, the spin lock has been acquired and interrupts are disabled. A call to DosReleaseSpinLock must follow very shortly. Spin locks can be nested. | |||
==Related Functions== | ==Related Functions== | ||
Revision as of 10:03, 19 July 2023
Acquire a spinlock for multiprocessor serialization
Syntax
VOID APIENTRY DosAcquireSpinLock (HSPINLOCK Handle)
Parameter
- Handle (HSPINLOCK)
- Handle to a spin lock
Remarks
DosAcquireSpinLock is passed a handle which was returned by DosCreateSpinLock When control is returned to the requester, the spin lock has been acquired and interrupts are disabled. A call to DosReleaseSpinLock must follow very shortly. Spin locks can be nested.