set_data_destroy_function 3 set_data_destroy_function set function used to deallocate message data #include <cds/msg_queue.h> typedef void (*destroy_function_f)(void *); void set_data_destroy_function mq_message_t *msg destroy_function_f func Set destroy function for message data. This function is called from free_message and is primarily used for deallocation of complex data structures or their content. It can be used on all types of messages (allocated using create_message or create_message_ex or initialized using init_message_ex). str_t *s; mq_message_t *msg = create_message_ex(sizeof(str_t)); set_data_destroy_function((destroy_function_f)str_free_content); s = (str_t*)get_message_data(msg); str_dup_zt(s, "something happened"); str_t *s = cds_malloc(sizeof(str_t)); mq_message_t *msg = create_message(s, sizeof(str_t)); set_data_destroy_function((destroy_function_f)str_free); str_dup_zt(s, "something happened"); , ,