opal_main_thread   32 opal/threads/thread.c static pthread_t opal_main_thread;
opal_main_thread  103 opal/threads/thread.c     if ((0 == rc) && (pthread_self() == opal_main_thread)) {
opal_main_thread  132 opal/threads/thread.c     opal_main_thread = pthread_self();