Chloe M.
49 lines
878 B
C
49 lines
878 B
C
/*
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* Copyright (c) 2026, Chloe M.
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* Provided under the BSD-3 clause.
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*
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* Description: Spinlock primitive
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* Author: Chloe M.
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*/
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#ifndef _KE_SPINLOCK_H_
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#define _KE_SPINLOCK_H_ 1
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#include <stdef.h>
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#include <hal/intr.h>
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/*
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* Represents a spinlock that may be acquired for mutual
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* exclusion of threads.
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*
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* @Data: Spinlock data (must be zero on init)
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*/
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typedef struct {
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UQUAD Data;
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} SPINLOCK;
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/*
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* Initialize a spinlock
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*
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* @Lock: Spinlock to initialize
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* @Name: Name of spinlock
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*/
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VOID KeSpinLockInit(SPINLOCK *Lock, const CHAR *Name);
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/*
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* Acquire a spinlock
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*
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* @Lock: Lock to acquire
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* @IrqMut: If true, mututate IRQ state upon acquisition
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*/
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VOID KeSpinLockAcquire(SPINLOCK *Lock, BOOLEAN IrqMut);
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/*
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* Release a spinlock
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*
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* @Lock: Spinlock to release
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*/
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VOID KeSpinLockRelease(SPINLOCK *Lock);
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#endif /* !_KE_SPINLOCK_H_ */
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