task_barrier
struct task_barrier tb;
static inline void task_barrier_exit(struct task_barrier *tb)
static inline void task_barrier_full(struct task_barrier *tb)
static inline void task_barrier_init(struct task_barrier *tb)
static inline void task_barrier_add_task(struct task_barrier *tb)
static inline void task_barrier_rem_task(struct task_barrier *tb)
static inline void task_barrier_enter(struct task_barrier *tb)