ptv_read 461 opal/mca/event/libevent2022/libevent/bufferevent.c struct timeval *ptv_read = NULL, *ptv_write = NULL; ptv_read 468 opal/mca/event/libevent2022/libevent/bufferevent.c ptv_read = &tv_read; ptv_read 475 opal/mca/event/libevent2022/libevent/bufferevent.c bufferevent_set_timeouts(bufev, ptv_read, ptv_write);