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#ifndef DEF_MUTEX_H
#define DEF_MUTEX_H
#include <types.h>
#define MUTEX_LOCKED 1
#define MUTEX_UNLOCKED 0
//A mutex is just an uint32_t
typedef uint32_t mutex_t;
#ifdef __cplusplus
extern "C" { namespace libc {
#endif
int mutex_lock(mutex_t* mutex); //wait for mutex to be free
int mutex_lockE(mutex_t* mutex); //lock mutex only if free, returns !0 if locked, 0 if was busy
void mutex_unlock(mutex_t* mutex);
#ifdef __cplusplus
} }
#endif
#endif
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