projects / thirdparty / glibc.git / blame
| Commit | Line | Data |
|---|---|---|
| 04277e02 | 1 | /* Copyright (C) 1994-2019 Free Software Foundation, Inc. |
| c84142e8 | 2 | This file is part of the GNU C Library. |
| 28f540f4 | 3 | |
| c84142e8 | 4 | The GNU C Library is free software; you can redistribute it and/or |
| 41bdb6e2 AJ |
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. | |
| 28f540f4 | 8 | |
| c84142e8 UD |
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 | |
| 41bdb6e2 | 12 | Lesser General Public License for more details. |
| 28f540f4 | 13 | |
| 41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
| 59ba27a6 | 15 | License along with the GNU C Library; if not, see |
| 5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
| 28f540f4 RM |
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. | |
| 6f080c2f | 25 | FLAGS are as for `open'; only O_IGNORE_CTTY and O_CLOEXEC are meaningful. |
| 28f540f4 RM |
26 | D should be locked, and will not be unlocked. */ |
| 27 | ||
| 28 | void | |
| 50b076f4 | 29 | _hurd_port2fd (struct hurd_fd *d, io_t dport, int flags) |
| 28f540f4 | 30 | { |
| 28f540f4 | 31 | mach_port_t cttyid; |
| 50b076f4 | 32 | io_t ctty = MACH_PORT_NULL; |
| 28f540f4 | 33 | |
| 50b076f4 RM |
34 | if (!(flags & O_IGNORE_CTTY)) |
| 35 | __USEPORT (CTTYID, | |
| 36 | ({ | |
| a04549c1 JM |
37 | if (port != MACH_PORT_NULL /* Do we have a ctty? */ |
| 38 | && ! __term_getctty (dport, &cttyid)) | |
| 39 | /* Could this be it? */ | |
| 50b076f4 RM |
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 | })); | |
| 28f540f4 RM |
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; | |
| 50b076f4 | 57 | d->port.port = dport; |
| 626a51fd | 58 | d->flags = (flags & O_CLOEXEC) ? FD_CLOEXEC : 0; |
| 28f540f4 RM |
59 | if (old != MACH_PORT_NULL) |
| 60 | __mach_port_deallocate (__mach_task_self (), old); | |
| 61 | } | |
| 62 | ||
| 63 | _hurd_port_set (&d->ctty, ctty); | |
| 64 | } |