event_log_cb 592 opal/mca/event/libevent2022/libevent/include/event2/event.h typedef void (*event_log_cb)(int severity, const char *msg); event_log_cb 603 opal/mca/event/libevent2022/libevent/include/event2/event.h void event_set_log_callback(event_log_cb cb); event_log_cb 194 opal/mca/event/libevent2022/libevent/log.c static event_log_cb log_fn = NULL; event_log_cb 197 opal/mca/event/libevent2022/libevent/log.c event_set_log_callback(event_log_cb cb)