1 /* System dependent pieces of sysconf; Mach version
2 Copyright (C) 1996 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public License as
7 published by the Free Software Foundation; either version 2 of the
8 License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public
16 License along with the GNU C Library; see the file COPYING.LIB. If
17 not, write to the Free Software Foundation, Inc., 675 Mass Ave,
18 Cambridge, MA 02139, USA. */
23 #include <sys/sysinfo.h>
26 /* Return the number of processors configured on the system. */
30 struct host_basic_info hbi;
32 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
34 err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
36 return __hurd_fail (err);
37 else if (cnt != HOST_BASIC_INFO_COUNT)
38 return __hurd_fail (EIEIO);
43 /* Return the number of processors currently available on the system. */
47 struct host_basic_info hbi;
49 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
51 err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
53 return __hurd_fail (err);
54 else if (cnt != HOST_BASIC_INFO_COUNT)
55 return __hurd_fail (EIEIO);
57 return hbi.avail_cpus;
60 /* Return the number of physical pages on the system. */
64 struct host_basic_info hbi;
66 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
68 err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
70 return __hurd_fail (err);
71 else if (cnt != HOST_BASIC_INFO_COUNT)
72 return __hurd_fail (EIEIO);
74 return hbi.memory_size / __vm_page_size;
77 /* Return the number of available physical pages */
81 vm_statistics_data_t vs;
84 err = __vm_statistics (__mach_task_self (), &vs);
86 return __hurd_fail (err);