133 lv_result_t lv_thread_sync_init(lv_thread_sync_t * sync)  in lv_thread_sync_init()  argument
135     sync->sem = rt_sem_create("sem", 0, RT_IPC_FLAG_PRIO);  in lv_thread_sync_init()
136     if(sync->sem == RT_NULL) {  in lv_thread_sync_init()
145 lv_result_t lv_thread_sync_wait(lv_thread_sync_t * sync)  in lv_thread_sync_wait()  argument
147     rt_err_t ret = rt_sem_take(sync->sem, RT_WAITING_FOREVER);  in lv_thread_sync_wait()
157 lv_result_t lv_thread_sync_signal(lv_thread_sync_t * sync)  in lv_thread_sync_signal()  argument
159     rt_err_t ret = rt_sem_release(sync->sem);  in lv_thread_sync_signal()
169 lv_result_t lv_thread_sync_delete(lv_thread_sync_t * sync)  in lv_thread_sync_delete()  argument
171     rt_err_t ret = rt_sem_delete(sync->sem);  in lv_thread_sync_delete()
181 lv_result_t lv_thread_sync_signal_isr(lv_thread_sync_t * sync)  in lv_thread_sync_signal_isr()  argument
183     LV_UNUSED(sync);  in lv_thread_sync_signal_isr()