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72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
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/* System dependent pieces of sysconf; Mach version
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Copyright (C) 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <errno.h>
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#include <mach.h>
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#include <hurd.h>
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/* Return the number of processors currently available on the system. */
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int
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__get_nproc ()
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{
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struct host_basic_info hbi;
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kern_return_t err;
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mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
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err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
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if (err)
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return __hurd_fail (err);
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else if (cnt != HOST_BASIC_INFO_COUNT)
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return __hurd_fail (EIEIO);
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return hbi.avail_cpus;
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}
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/* Return the number of physical pages on the system. */
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int
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__get_phys_pages ()
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{
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struct host_basic_info hbi;
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kern_return_t err;
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mach_msg_type_number_t cnt = HOST_BASIC_INFO_COUNT;
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err = __host_info (__mach_host_self (), HOST_BASIC_INFO, &hbi, &cnt);
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if (err)
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return __hurd_fail (err);
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else if (cnt != HOST_BASIC_INFO_COUNT)
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return __hurd_fail (EIEIO);
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return hbi.memory_size / __vm_page_size;
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}
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/* Return the number of available physical pages */
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int
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__get_avphys_pages ()
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{
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vm_statistics_data_t vs;
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kern_return_t err;
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err = __vm_statistics (__mach_task_self (), &vs);
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if (err)
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return __hurd_fail (err);
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return vs.free_count;
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}
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