73 lv_result_t lv_mutex_init(lv_mutex_t * mutex)  in lv_mutex_init()  argument
75     mutex->mutex = rt_mutex_create("mutex", RT_IPC_FLAG_PRIO);  in lv_mutex_init()
76     if(mutex->mutex == RT_NULL) {  in lv_mutex_init()
85 lv_result_t lv_mutex_lock(lv_mutex_t * mutex)  in lv_mutex_lock()  argument
87     rt_err_t ret = rt_mutex_take(mutex->mutex, RT_WAITING_FOREVER);  in lv_mutex_lock()
97 lv_result_t lv_mutex_lock_isr(lv_mutex_t * mutex)  in lv_mutex_lock_isr()  argument
99     rt_err_t ret = rt_mutex_take(mutex->mutex, RT_WAITING_FOREVER);  in lv_mutex_lock_isr()
109 lv_result_t lv_mutex_unlock(lv_mutex_t * mutex)  in lv_mutex_unlock()  argument
111     rt_err_t ret = rt_mutex_release(mutex->mutex);  in lv_mutex_unlock()
121 lv_result_t lv_mutex_delete(lv_mutex_t * mutex)  in lv_mutex_delete()  argument
123     rt_err_t ret = rt_mutex_delete(mutex->mutex);  in lv_mutex_delete()