| /* Copyright (C) 1993-2018 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 |
| <http://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) |
