sighandler        513 signal.c           ruby_signal(sig, sighandler);
sighandler        717 signal.c               func = sighandler;
sighandler        748 signal.c           sighandler_t func = sighandler;
sighandler        854 signal.c       	else if (oldfunc == sighandler) oldcmd = rb_str_new2("DEFAULT");
sighandler        946 signal.c       	arg.func = sighandler;
sighandler       1052 signal.c           if (oldfunc == sighandler) {
sighandler       1113 signal.c           install_sighandler(SIGINT, sighandler);
sighandler       1115 signal.c           install_sighandler(SIGHUP, sighandler);
sighandler       1118 signal.c           install_sighandler(SIGQUIT, sighandler);
sighandler       1121 signal.c           install_sighandler(SIGTERM, sighandler);
sighandler       1124 signal.c           install_sighandler(SIGALRM, sighandler);
sighandler       1127 signal.c           install_sighandler(SIGUSR1, sighandler);
sighandler       1130 signal.c           install_sighandler(SIGUSR2, sighandler);