59     int ret = pthread_join(thread->thread, NULL);  in lv_thread_delete()  local
60     if(ret != 0) {  in lv_thread_delete()
61         LV_LOG_WARN("Error: %d", ret);  in lv_thread_delete()
74     int ret = pthread_mutex_init(mutex, &attr);  in lv_mutex_init()  local
77     if(ret) {  in lv_mutex_init()
78         LV_LOG_WARN("Error: %d", ret);  in lv_mutex_init()
88     int ret = pthread_mutex_lock(mutex);  in lv_mutex_lock()  local
89     if(ret) {  in lv_mutex_lock()
90         LV_LOG_WARN("Error: %d", ret);  in lv_mutex_lock()
100     int ret = pthread_mutex_lock(mutex);  in lv_mutex_lock_isr()  local
101     if(ret) {  in lv_mutex_lock_isr()
102         LV_LOG_WARN("Error: %d", ret);  in lv_mutex_lock_isr()
112     int ret = pthread_mutex_unlock(mutex);  in lv_mutex_unlock()  local
113     if(ret) {  in lv_mutex_unlock()
114         LV_LOG_WARN("Error: %d", ret);  in lv_mutex_unlock()