76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
/* -*-comment-start: "//";comment-end:""-*-
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* GNU Mes --- Maxwell Equations of Software
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* Copyright © 1992-2016 Free Software Foundation, Inc.
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* Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
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*
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* This file is part of GNU Mes.
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*
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* GNU Mes is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or (at
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* your option) any later version.
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*
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* GNU Mes is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Mes. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** Commentary:
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Taken from GNU C Library
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*/
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#define _GNU_SOURCE 1
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#define __USE_GNU 1
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#define __FILE_defined 1
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#include <stdio.h>
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#include <mach/mach-init.h>
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#include <mach.h>
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#include <unistd.h>
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mach_port_t __mach_task_self_;
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mach_port_t __mach_host_self_;
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vm_size_t __vm_page_size = 0;
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void
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__mach_init (void)
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{
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kern_return_t err;
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#ifdef HAVE_HOST_PAGE_SIZE
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if (err = __host_page_size (mach_host_self (), &__vm_page_size))
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_exit (err);
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#else
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{
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vm_statistics_data_t stats;
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if (err = __vm_statistics (mach_task_self (), &stats))
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_exit (err);
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__vm_page_size = stats.pagesize;
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}
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#endif
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}
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extern mach_port_t __mach_host_self (void);
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mach_port_t
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mach_host_self (void)
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{
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if (!__mach_host_self_)
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__mach_host_self_ = __mach_host_self ();
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return __mach_host_self_;
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}
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extern mach_port_t __mach_task_self (void);
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mach_port_t
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mach_task_self (void)
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{
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if (!__mach_task_self_)
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__mach_task_self_ = __mach_task_self ();
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return __mach_task_self_;
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}
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