1 /* System dependent pieces of sysconf; Mach version
2 Copyright (C) 1996, 1997 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 not,
17 write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, 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
);