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#ifndef LOCK_H
#define LOCK_H
#include "task/shed.h"
typedef char spin_lock_t;
#define SPIN_LOCK_UNLOCKED 0
static inline void spin_lock(struct spin_lock_t* lock) {
while(*lock != SPIN_LOCK_UNLOCKED) {yield();};
*lock = 1;
}
static inline void spin_unlock(struct spin_lock_t* lock) {
*lock = SPIN_LOCK_UNLOCKED;
}
#endif
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