12 lines
273 B
C
12 lines
273 B
C
#pragma once
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#include <types.h>
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typedef struct {
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volatile uint32_t v; // 0 = unlocked, 1 = locked
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} spinlock_t;
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void spinlock_init(spinlock_t *l);
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bool spin_trylock(spinlock_t *l);
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void spin_unlock(spinlock_t *l);
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void cpu_relax(void);
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void spin_lock(spinlock_t *l);
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