/* Copyright (C) 1994, 1997, 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public License along with the GNU C Library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ #include <hurd.h> #include <hurd/fd.h> #include <hurd/signal.h> #include <hurd/term.h> #include <fcntl.h> /* Store PORT in file descriptor D, doing appropriate ctty magic. FLAGS are as for `open'; only O_IGNORE_CTTY is meaningful. D should be locked, and will not be unlocked. */ void _hurd_port2fd (struct hurd_fd *d, io_t dport, int flags) { mach_port_t cttyid; io_t ctty = MACH_PORT_NULL; if (!(flags & O_IGNORE_CTTY)) __USEPORT (CTTYID, ({ if (port != MACH_PORT_NULL && /* Do we have a ctty? */ ! __term_getctty (dport, &cttyid)) /* Could this be it? */ { __mach_port_deallocate (__mach_task_self (), cttyid); /* This port is capable of being a controlling tty. Is it ours? */ if (cttyid == port) __term_open_ctty (dport, _hurd_pid, _hurd_pgrp, &ctty); /* XXX if this port is our ctty, but we are not doing ctty style i/o because term_become_ctty barfed, what to do? */ } 0; })); /* Install PORT in the descriptor cell, leaving it locked. */ { mach_port_t old = _hurd_userlink_clear (&d->port.users) ? d->port.port : MACH_PORT_NULL; d->port.port = dport; d->flags = 0; if (old != MACH_PORT_NULL) __mach_port_deallocate (__mach_task_self (), old); } _hurd_port_set (&d->ctty, ctty); }