do_sigaction 291 arch/x86/ia32/sys_ia32.c ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); do_sigaction 349 arch/x86/ia32/sys_ia32.c ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); do_sigaction 88 arch/x86/kernel/signal_32.c ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL); do_sigaction 1785 include/linux/sched.h extern int do_sigaction(int, struct k_sigaction *, struct k_sigaction *); do_sigaction 2493 kernel/signal.c ret = do_sigaction(sig, act ? &new_sa : NULL, oact ? &old_sa : NULL); do_sigaction 2547 kernel/signal.c ret = do_sigaction(sig, &new_sa, &old_sa);