DosAcquireSpinLock: Difference between revisions
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Acquire a spinlock for multiprocessor serialization | |||
==Syntax== | ==Syntax== | ||
VOID APIENTRY DosAcquireSpinLock ([[HSPINLOCK]] Handle) | VOID APIENTRY DosAcquireSpinLock ([[HSPINLOCK]] Handle) | ||
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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== | ||
*[[DosCreateSpinLock]] | |||
*[[DosFreeSpinLock]] | *[[DosFreeSpinLock]] | ||
*[[DosReleaseSpinLock]] | *[[DosReleaseSpinLock]] | ||
[[Category: | [[Category:Dos]] | ||
Latest revision as of 10:11, 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.