old_segv_act 700 gc/os_dep.c static struct sigaction old_segv_act; old_segv_act 732 gc/os_dep.c (void) sigaction(SIGSEGV, 0, &old_segv_act); old_segv_act 737 gc/os_dep.c (void) sigaction(SIGSEGV, &act, &old_segv_act); old_segv_act 776 gc/os_dep.c (void) sigaction(SIGSEGV, &old_segv_act, 0);