MAIN_THREAD       130 gc/darwin_stop_world.c       if(p->flags & MAIN_THREAD)
MAIN_THREAD        35 gc/include/private/pthread_support.h #	define MAIN_THREAD 4	/* True for the original thread only.	*/
MAIN_THREAD       258 gc/pthread_stop_world.c         if ((p -> flags & MAIN_THREAD) == 0) {
MAIN_THREAD       862 gc/pthread_support.c       t -> flags = DETACHED | MAIN_THREAD;