SIG_IGN 148 usr/bin/sh/sh.c signal(SIGINT, SIG_IGN); SIG_IGN 149 usr/bin/sh/sh.c signal(SIGQUIT, SIG_IGN); SIG_IGN 472 usr/bin/sh/sh.c signal(SIGINT, SIG_IGN); SIG_IGN 473 usr/bin/sh/sh.c signal(SIGQUIT, SIG_IGN); SIG_IGN 474 usr/bin/sh/sh.c signal(SIGTERM, SIG_IGN); SIG_IGN 96 usr/lib/posix/signal/__exception.c } else if (action.sa_handler != SIG_IGN) { SIG_IGN 120 usr/lib/posix/signal/__exception.c if (action.sa_handler != SIG_IGN) SIG_IGN 141 usr/lib/posix/signal/__exception.c if (__sig_act[excpt].sa_handler != SIG_IGN) SIG_IGN 62 usr/lib/posix/signal/sigaction.c if (sa->sa_handler == SIG_IGN || SIG_IGN 48 usr/lib/posix/signal/signal.c if (handler != SIG_IGN && handler != SIG_DFL) SIG_IGN 96 usr/sbin/lock/lock.c signal(SIGQUIT, SIG_IGN); SIG_IGN 97 usr/sbin/lock/lock.c signal(SIGINT, SIG_IGN); SIG_IGN 98 usr/sbin/lock/lock.c signal(SIGTSTP, SIG_IGN);