SIGIOT            169 srclib/apr/threadproc/unix/signals.c #ifdef SIGIOT
SIGIOT            170 srclib/apr/threadproc/unix/signals.c     store_desc(SIGIOT, "IOT instruction");
SIGIOT            291 srclib/apr/threadproc/unix/signals.c #ifdef SIGIOT
SIGIOT            292 srclib/apr/threadproc/unix/signals.c     sigdelset(sig_mask, SIGIOT);