1/* Copyright (C) 1992-2024 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
8
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
13
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <https://www.gnu.org/licenses/>. */
17
18#include <mach.h>
19#include <mach/mig_support.h>
20#include <mach/vm_param.h>
21#include <unistd.h>
22
23mach_port_t __mach_task_self_;
24mach_port_t __mach_host_self_;
25vm_size_t __vm_page_size = 0; /* Must be data not bss for weak alias. */
26weak_alias (__vm_page_size, vm_page_size)
27
28#ifdef NDR_DEF_HEADER
29/* This defines NDR_record, which the MiG-generated stubs use. XXX namespace */
30# include NDR_DEF_HEADER
31#endif
32
33void
34__mach_init (void)
35{
36 kern_return_t err;
37
38 __mach_task_self_ = (__mach_task_self) ();
39 __mach_host_self_ = (__mach_host_self) ();
40 __mig_init (first: 0);
41
42#ifdef PAGE_SIZE
43 __vm_page_size = PAGE_SIZE;
44 (void) err;
45#elif defined (HAVE_HOST_PAGE_SIZE)
46 if (err = __host_page_size (__mach_host_self (), &__vm_page_size))
47 _exit (err);
48#else
49 {
50 vm_statistics_data_t stats;
51 if (err = __vm_statistics (__mach_task_self (), &stats))
52 _exit (err);
53 __vm_page_size = stats.pagesize;
54 }
55#endif
56}
57weak_alias (__mach_init, mach_init)
58

source code of glibc/mach/mach_init.c