1 /* System dependent pieces of sysconf; Mach version
2 Copyright (C) 1996,97,99,2001,02 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 Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the 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 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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,
35 (host_info_t) &hbi, &cnt);
37 return __hurd_fail (err);
38 else if (cnt != HOST_BASIC_INFO_COUNT)
39 return __hurd_fail (EIEIO);
44 /* Return the number of processors currently available on the system. */
48 struct host_basic_info hbi;
50 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
52 err = __host_info (__mach_host_self (), HOST_BASIC_INFO,
53 (host_info_t) &hbi, &cnt);
55 return __hurd_fail (err);
56 else if (cnt != HOST_BASIC_INFO_COUNT)
57 return __hurd_fail (EIEIO);
59 return hbi.avail_cpus;
62 /* Return the number of physical pages on the system. */
66 struct host_basic_info hbi;
68 mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
70 err = __host_info (__mach_host_self (), HOST_BASIC_INFO,
71 (host_info_t) &hbi, &cnt);
73 return __hurd_fail (err);
74 else if (cnt != HOST_BASIC_INFO_COUNT)
75 return __hurd_fail (EIEIO);
77 return hbi.memory_size / __vm_page_size;
80 /* Return the number of available physical pages */
84 vm_statistics_data_t vs;
89 mach_msg_type_number_t count = HOST_VM_INFO_COUNT;
90 err = __host_info (__mach_host_self (), HOST_VM_INFO,
91 (host_info_t) &vs, &count);
92 if (!err && count < HOST_VM_INFO_COUNT)
96 err = __vm_statistics (__mach_task_self (), &vs);
99 return __hurd_fail (err);
101 return vs.free_count;