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
);
43 weak_alias (__get_nprocs_conf
, get_nprocs_conf
)
45 /* Return the number of processors currently available on the system. */
49 struct host_basic_info hbi
;
51 mach_msg_type_number_t cnt
= HOST_BASIC_INFO_COUNT
;
53 err
= __host_info (__mach_host_self (), HOST_BASIC_INFO
,
54 (host_info_t
) &hbi
, &cnt
);
56 return __hurd_fail (err
);
57 else if (cnt
!= HOST_BASIC_INFO_COUNT
)
58 return __hurd_fail (EIEIO
);
60 return hbi
.avail_cpus
;
62 weak_alias (__get_nprocs
, get_nprocs
)
64 /* Return the number of physical pages on the system. */
68 struct host_basic_info hbi
;
70 mach_msg_type_number_t cnt
= HOST_BASIC_INFO_COUNT
;
72 err
= __host_info (__mach_host_self (), HOST_BASIC_INFO
,
73 (host_info_t
) &hbi
, &cnt
);
75 return __hurd_fail (err
);
76 else if (cnt
!= HOST_BASIC_INFO_COUNT
)
77 return __hurd_fail (EIEIO
);
79 return hbi
.memory_size
/ __vm_page_size
;
81 weak_alias (__get_phys_pages
, get_phys_pages
)
83 /* Return the number of available physical pages */
87 vm_statistics_data_t vs
;
92 mach_msg_type_number_t count
= HOST_VM_INFO_COUNT
;
93 err
= __host_info (__mach_host_self (), HOST_VM_INFO
,
94 (host_info_t
) &vs
, &count
);
95 if (!err
&& count
< HOST_VM_INFO_COUNT
)
99 err
= __vm_statistics (__mach_task_self (), &vs
);
102 return __hurd_fail (err
);
104 return vs
.free_count
;
106 weak_alias (__get_avphys_pages
, get_avphys_pages
)