spinlock.h

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#ifndef __SPINLOCK_H__
#define __SPINLOCK_H__
 
#include <type.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
typedef struct {
    uint16_t now_serving; /* tiket yang sedang dilayani  */
    uint16_t next_ticket; /* counter untuk waiter baru   */
} spinlock_t;
 
#define SPINLOCK_INIT                                                          \
    { .now_serving = 0, .next_ticket = 0 }
 
void spin_acquire(spinlock_t* lock);
void spin_release(spinlock_t* lock);
bool spin_is_locked(const spinlock_t* lock);
 
#ifdef __cplusplus
}
#endif
 
#endif // __SPINLOCK_H__