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glibc  2.9
mach_init.c
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00001 /* Copyright (C) 1992,93,95,97,2001,02 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003 
00004    The GNU C Library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Lesser General Public
00006    License as published by the Free Software Foundation; either
00007    version 2.1 of the License, or (at your option) any later version.
00008 
00009    The GNU C Library is distributed in the hope that it will be useful,
00010    but WITHOUT ANY WARRANTY; without even the implied warranty of
00011    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00012    Lesser General Public License for more details.
00013 
00014    You should have received a copy of the GNU Lesser General Public
00015    License along with the GNU C Library; if not, write to the Free
00016    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00017    02111-1307 USA.  */
00018 
00019 #include <mach.h>
00020 #include <mach/mig_support.h>
00021 #include <unistd.h>
00022 
00023 mach_port_t __mach_task_self_;
00024 vm_size_t __vm_page_size = 0;      /* Must be data not bss for weak alias.  */
00025 weak_alias (__vm_page_size, vm_page_size)
00026 
00027 #ifdef NDR_DEF_HEADER
00028 /* This defines NDR_record, which the MiG-generated stubs use. XXX namespace */
00029 # include NDR_DEF_HEADER
00030 #endif
00031 
00032 void
00033 __mach_init (void)
00034 {
00035   kern_return_t err;
00036 
00037   __mach_task_self_ = (__mach_task_self) ();
00038   __mig_init (0);
00039 
00040 #if HAVE_HOST_PAGE_SIZE
00041   if (err = __host_page_size (__mach_host_self (), &__vm_page_size))
00042     _exit (err);
00043 #else
00044   {
00045     vm_statistics_data_t stats;
00046     if (err = __vm_statistics (__mach_task_self (), &stats))
00047       _exit (err);
00048     __vm_page_size = stats.pagesize;
00049   }
00050 #endif
00051 }
00052 weak_alias (__mach_init, mach_init)