#pragma once
#include <types.h>

typedef struct {
    volatile uint32_t v; // 0 = unlocked, 1 = locked
} spinlock_t;

void spinlock_init(spinlock_t *l);
bool spin_trylock(spinlock_t *l);
void spin_unlock(spinlock_t *l);
void cpu_relax(void);
void spin_lock(spinlock_t *l);