glibc/mach/mach_init.c

52 lines
1.5 KiB
C

/* Copyright (C) 1992-2015 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <mach.h>
#include <mach/mig_support.h>
#include <unistd.h>
mach_port_t __mach_task_self_;
vm_size_t __vm_page_size = 0; /* Must be data not bss for weak alias. */
weak_alias (__vm_page_size, vm_page_size)
#ifdef NDR_DEF_HEADER
/* This defines NDR_record, which the MiG-generated stubs use. XXX namespace */
# include NDR_DEF_HEADER
#endif
void
__mach_init (void)
{
kern_return_t err;
__mach_task_self_ = (__mach_task_self) ();
__mig_init (0);
#if HAVE_HOST_PAGE_SIZE
if (err = __host_page_size (__mach_host_self (), &__vm_page_size))
_exit (err);
#else
{
vm_statistics_data_t stats;
if (err = __vm_statistics (__mach_task_self (), &stats))
_exit (err);
__vm_page_size = stats.pagesize;
}
#endif
}
weak_alias (__mach_init, mach_init)