mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-14 09:01:07 +00:00
71 lines
2.1 KiB
C
71 lines
2.1 KiB
C
/* Copyright (C) 1993-2023 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>
|
|
|
|
/* The program might set these if it is the initial task
|
|
bootstrapped by the microkernel. */
|
|
|
|
mach_port_t _hurd_host_priv, _hurd_device_master;
|
|
|
|
|
|
kern_return_t
|
|
__get_privileged_ports (mach_port_t *host_priv_ptr,
|
|
device_t *device_master_ptr)
|
|
{
|
|
if ((host_priv_ptr && _hurd_host_priv == MACH_PORT_NULL)
|
|
|| (device_master_ptr && _hurd_device_master == MACH_PORT_NULL))
|
|
{
|
|
error_t err;
|
|
|
|
if (_hurd_ports)
|
|
/* We have gotten some initial ports, so perhaps
|
|
we have a proc server to talk to. */
|
|
err = __USEPORT (PROC, __proc_getprivports (port,
|
|
&_hurd_host_priv,
|
|
&_hurd_device_master));
|
|
else
|
|
return MACH_SEND_INVALID_DEST;
|
|
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
if (host_priv_ptr)
|
|
{
|
|
error_t err = _hurd_host_priv == MACH_PORT_NULL ? 0
|
|
: __mach_port_mod_refs (mach_task_self (),
|
|
_hurd_host_priv, MACH_PORT_RIGHT_SEND, +1);
|
|
if (err)
|
|
return err;
|
|
*host_priv_ptr = _hurd_host_priv;
|
|
}
|
|
|
|
if (device_master_ptr)
|
|
{
|
|
error_t err = _hurd_device_master == MACH_PORT_NULL ? 0
|
|
: __mach_port_mod_refs (mach_task_self (),
|
|
_hurd_device_master, MACH_PORT_RIGHT_SEND, +1);
|
|
if (err)
|
|
return err;
|
|
*device_master_ptr = _hurd_device_master;
|
|
}
|
|
|
|
return KERN_SUCCESS;
|
|
}
|
|
weak_alias (__get_privileged_ports, get_privileged_ports)
|