mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-25 12:11:10 +00:00
65 lines
2.1 KiB
C
65 lines
2.1 KiB
C
/* Copyright (C) 1994-2020 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, see
|
|
<https://www.gnu.org/licenses/>. */
|
|
|
|
#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 and O_CLOEXEC are 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 = (flags & O_CLOEXEC) ? FD_CLOEXEC : 0;
|
|
if (old != MACH_PORT_NULL)
|
|
__mach_port_deallocate (__mach_task_self (), old);
|
|
}
|
|
|
|
_hurd_port_set (&d->ctty, ctty);
|
|
}
|