Warning: That file was not part of the compilation database. It may have many parsing errors.

1/* Copyright (C) 1994-2019 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
17
18#include <hurd.h>
19#include <hurd/fd.h>
20#include <hurd/signal.h>
21#include <hurd/term.h>
22#include <fcntl.h>
23
24/* Store PORT in file descriptor D, doing appropriate ctty magic.
25 FLAGS are as for `open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful.
26 D should be locked, and will not be unlocked. */
27
28void
29_hurd_port2fd (struct hurd_fd *d, io_t dport, int flags)
30{
31 mach_port_t cttyid;
32 io_t ctty = MACH_PORT_NULL;
33
34 if (!(flags & O_IGNORE_CTTY))
35 __USEPORT (CTTYID,
36 ({
37 if (port != MACH_PORT_NULL /* Do we have a ctty? */
38 && ! __term_getctty (dport, &cttyid))
39 /* Could this be it? */
40 {
41 __mach_port_deallocate (__mach_task_self (), cttyid);
42 /* This port is capable of being a controlling tty.
43 Is it ours? */
44 if (cttyid == port)
45 __term_open_ctty (dport, _hurd_pid, _hurd_pgrp, &ctty);
46 /* XXX if this port is our ctty, but we are not doing
47 ctty style i/o because term_become_ctty barfed,
48 what to do? */
49 }
50 0;
51 }));
52
53 /* Install PORT in the descriptor cell, leaving it locked. */
54 {
55 mach_port_t old
56 = _hurd_userlink_clear (&d->port.users) ? d->port.port : MACH_PORT_NULL;
57 d->port.port = dport;
58 d->flags = (flags & O_CLOEXEC) ? FD_CLOEXEC : 0;
59 if (old != MACH_PORT_NULL)
60 __mach_port_deallocate (__mach_task_self (), old);
61 }
62
63 _hurd_port_set (&d->ctty, ctty);
64}
65

Warning: That file was not part of the compilation database. It may have many parsing errors.