40 static K_MUTEX_DEFINE(lock);
158 	(void)k_mutex_lock(&lock, K_FOREVER);  in coap_server_process()
251 	(void)k_mutex_unlock(&lock);  in coap_server_process()
263 	(void)k_mutex_lock(&lock, K_FOREVER);  in coap_server_retransmit()
299 	(void)k_mutex_unlock(&lock);  in coap_server_retransmit()
383 	k_mutex_lock(&lock, K_FOREVER);  in coap_service_start()
460 	k_mutex_unlock(&lock);  in coap_service_start()
472 	k_mutex_unlock(&lock);  in coap_service_start()
486 	k_mutex_lock(&lock, K_FOREVER);  in coap_service_stop()
489 		k_mutex_unlock(&lock);  in coap_service_stop()
497 	k_mutex_unlock(&lock);  in coap_service_stop()
513 	k_mutex_lock(&lock, K_FOREVER);  in coap_service_is_running()
517 	k_mutex_unlock(&lock);  in coap_service_is_running()
533 	(void)k_mutex_lock(&lock, K_FOREVER);  in coap_service_send()
536 		(void)k_mutex_unlock(&lock);  in coap_service_send()
575 	(void)k_mutex_unlock(&lock);  in coap_service_send()
635 	(void)k_mutex_lock(&lock, K_FOREVER);  in coap_resource_parse_observe()
665 	(void)k_mutex_unlock(&lock);  in coap_resource_parse_observe()
689 	(void)k_mutex_lock(&lock, K_FOREVER);  in coap_resource_remove_observer()
691 	(void)k_mutex_unlock(&lock);  in coap_resource_remove_observer()