tun_pgid           92 net/if_tun.c   	pid_t		tun_pgid;	/* the process group - if any */
tun_pgid          365 net/if_tun.c   		tp->tun_pgid = 0;
tun_pgid          586 net/if_tun.c   	if (tp->tun_flags & TUN_ASYNC && tp->tun_pgid)
tun_pgid          587 net/if_tun.c   		csignal(tp->tun_pgid, SIGIO,
tun_pgid          670 net/if_tun.c   		tp->tun_pgid = *(int *)data;
tun_pgid          675 net/if_tun.c   		*(int *)data = tp->tun_pgid;