signal            367 ext/pty/pty.c  	s = signal(SIGCHLD, SIG_DFL);
signal            369 ext/pty/pty.c  	    signal(SIGCHLD, s);
signal             47 inits.c            CALL(signal);
signal           2581 process.c      	hfunc = signal(SIGHUP, SIG_IGN);
signal           2584 process.c      	qfunc = signal(SIGQUIT, SIG_IGN);
signal           2586 process.c      	ifunc = signal(SIGINT, SIG_IGN);
signal           2597 process.c      	signal(SIGHUP, hfunc);
signal           2600 process.c      	signal(SIGQUIT, qfunc);
signal           2602 process.c      	signal(SIGINT, ifunc);
signal           2698 process.c          chfunc = signal(SIGCHLD, SIG_DFL);
signal           2707 process.c          signal(SIGCHLD, chfunc);
signal            302 signal.c           signal(sig, SIG_DFL);
signal            493 signal.c       #define ruby_signal(sig,handler) (/* rb_trap_accept_nativethreads[sig] = 0,*/ signal((sig),(handler)))
signal            500 signal.c           old = signal(signum, handler);