pthread_spin_t
void pthread_lockinit(pthread_spin_t *) PTHREAD_HIDE;
static inline void pthread__spinlock(pthread_t, pthread_spin_t *)
pthread__spinlock(pthread_t self, pthread_spin_t *lock)
static inline int pthread__spintrylock(pthread_t, pthread_spin_t *)
pthread__spintrylock(pthread_t self, pthread_spin_t *lock)
static inline void pthread__spinunlock(pthread_t, pthread_spin_t *)
pthread__spinunlock(pthread_t self, pthread_spin_t *lock)
pthread__spinlock_slow(pthread_spin_t *lock)
pthread_lockinit(pthread_spin_t *lock)
static void pthread__spinlock_slow(pthread_spin_t *);
pthread_spin_t ptb_lock; /* unused */
typedef pthread_spin_t __pthread_spin_t;