JF_SAVEDTTYPGRP
j->flags |= JF_SAVEDTTYPGRP;
if (ttypgrp_ok && tcsetpgrp(tty_fd, (j->flags & JF_SAVEDTTYPGRP) ? j->saved_ttypgrp : j->pgrp) < 0) {
tty_fd, (int) ((j->flags & JF_SAVEDTTYPGRP) ? j->saved_ttypgrp : j->pgrp), strerror(errno));
j->flags &= ~(JF_SAVEDTTY | JF_SAVEDTTYPGRP);