taglinefilesource code
f_owner1290drivers/char/tty_io.cif (filp->f_owner == 0) {
f_owner1292drivers/char/tty_io.cfilp->f_owner = -tty->pgrp;
f_owner1294drivers/char/tty_io.cfilp->f_owner = current->pid;
f_owner118fs/fcntl.creturn filp->f_owner;
f_owner160fs/fcntl.cfilp->f_owner = arg;
f_owner182fs/fcntl.cif (fa->fa_file->f_owner > 0)
f_owner183fs/fcntl.ckill_proc(fa->fa_file->f_owner, sig, 1);
f_owner185fs/fcntl.ckill_pg(-fa->fa_file->f_owner, sig, 1);
f_owner256include/linux/fs.hint f_owner;    /* pid or -pgrp where SIGIO should be sent */