taglinefilesource code
inp_sig_pid342drivers/net/ppp.cppp->inp_sig_pid  = 0;
inp_sig_pid1211drivers/net/ppp.cif (ppp->inp_sig && ppp->inp_sig_pid)
inp_sig_pid1212drivers/net/ppp.cif (kill_proc (ppp->inp_sig_pid, ppp->inp_sig, 1) != 0) {
inp_sig_pid1217drivers/net/ppp.cppp->inp_sig_pid = 0;
inp_sig_pid1512drivers/net/ppp.cppp->inp_sig_pid = current->pid;
inp_sig_pid221include/linux/if_ppp.hint      inp_sig_pid;  /* process to get notified  */