Files
my-os-project2/kernel/spinlock/spinlock.h
2025-08-30 00:31:20 +02:00

23 lines
444 B
C

#ifndef SPINLOCK_SPINLOCK_H_
#define SPINLOCK_SPINLOCK_H_
#include <stdatomic.h>
#include <stdint.h>
typedef struct {
atomic_bool lock;
} SpinLock;
// Spin more efficiently - cpu dependant
#if defined(__x86_64__)
# define SPINLOCK_HINT() asm volatile("pause")
#else
# define SPINLOCK_HINT()
#endif
void spinlock_init(SpinLock *sl);
void spinlock_acquire(SpinLock *sl);
void spinlock_release(SpinLock *sl);
#endif // SPINLOCK_SPINLOCK_H_