Fix comment typos.
[glibc.git] / hurd / privports.c
blob707fca75178b468a07d522d4dd21cb03f222e69e
1 /* Copyright (C) 1993,94,97,2001,02 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
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.
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.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
17 02111-1307 USA. */
19 #include <hurd.h>
21 /* The program might set these if it is the initial task
22 bootstrapped by the microkernel. */
24 mach_port_t _hurd_host_priv, _hurd_device_master;
27 kern_return_t
28 __get_privileged_ports (mach_port_t *host_priv_ptr,
29 device_t *device_master_ptr)
31 if ((host_priv_ptr && _hurd_host_priv == MACH_PORT_NULL)
32 || (device_master_ptr && _hurd_device_master == MACH_PORT_NULL))
34 error_t err;
36 if (_hurd_ports)
37 /* We have gotten some initial ports, so perhaps
38 we have a proc server to talk to. */
39 err = __USEPORT (PROC, __proc_getprivports (port,
40 &_hurd_host_priv,
41 &_hurd_device_master));
42 else
43 return MACH_SEND_INVALID_DEST;
45 if (err)
46 return err;
49 if (host_priv_ptr)
51 error_t err = _hurd_host_priv == MACH_PORT_NULL ? 0
52 : __mach_port_mod_refs (mach_task_self (),
53 _hurd_host_priv, MACH_PORT_RIGHT_SEND, +1);
54 if (err)
55 return err;
56 *host_priv_ptr = _hurd_host_priv;
59 if (device_master_ptr)
61 error_t err = _hurd_device_master == MACH_PORT_NULL ? 0
62 : __mach_port_mod_refs (mach_task_self (),
63 _hurd_device_master, MACH_PORT_RIGHT_SEND, +1);
64 if (err)
65 return err;
66 *device_master_ptr = _hurd_device_master;
69 return KERN_SUCCESS;
71 weak_alias (__get_privileged_ports, get_privileged_ports)