/* ioctl commands which must be done in the C library.
- Copyright (C) 1994,95,96,97,99,2001,2002,2009
+ Copyright (C) 1994,95,96,97,99,2001,2002,2009,2010
Free Software Foundation, Inc.
This file is part of the GNU C Library.
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. */
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
#include <hurd.h>
#include <hurd/fd.h>
}
-/* Make FD be the controlling terminal.
- This function is called for `ioctl (fd, TCIOSCTTY)'. */
-
-static int
-tiocsctty (int fd,
- int request) /* Always TIOCSCTTY. */
+static inline error_t
+do_tiocsctty (io_t port, io_t ctty)
{
mach_port_t cttyid;
error_t err;
- /* Get FD's cttyid port, unless it is already ours. */
- err = HURD_DPORT_USE (fd, ctty != MACH_PORT_NULL ? EADDRINUSE :
- __term_getctty (port, &cttyid));
- if (err == EADDRINUSE)
- /* FD is already the ctty. Nothing to do. */
+ if (ctty != MACH_PORT_NULL)
+ /* PORT is already the ctty. Nothing to do. */
return 0;
- else if (err)
- return __hurd_fail (err);
+
+ /* Get PORT's cttyid port. */
+ err = __term_getctty (port, &cttyid);
+ if (err)
+ return err;
/* Change the terminal's pgrp to ours. */
- err = HURD_DPORT_USE (fd, __tioctl_tiocspgrp (port, _hurd_pgrp));
+ err = __tioctl_tiocspgrp (port, _hurd_pgrp);
if (err)
- return __hurd_fail (err);
+ __mach_port_deallocate (__mach_task_self (), cttyid);
+ else
+ /* Make it our own. */
+ install_ctty (cttyid);
- /* Make it our own. */
- install_ctty (cttyid);
+ return err;
+}
- return 0;
+/* Make FD be the controlling terminal.
+ This function is called for `ioctl (fd, TCIOSCTTY)'. */
+
+static int
+tiocsctty (int fd,
+ int request) /* Always TIOCSCTTY. */
+{
+ return __hurd_fail (HURD_DPORT_USE (fd, do_tiocsctty (port, ctty)));
}
_HURD_HANDLE_IOCTL (tiocsctty, TIOCSCTTY);