SIGXCPU            97 gc/pthread_stop_world.c #   define SIG_THR_RESTART SIGXCPU
SIGXCPU           226 src/main.c         sigdelset(&set, SIGXCPU); /* used in gc */
SIGXCPU           169 src/signal.c   #ifdef SIGXCPU
SIGXCPU           170 src/signal.c       SIGDEF(SIGXCPU, SIGDEF_NOHANDLE), /* CPU limit exceeded (4.2 BSD) */