1 /* Copyright (C) 1992-2022 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 <unistd.h>
21
22 mach_port_t __mach_task_self_;
23 mach_port_t __mach_host_self_;
24 vm_size_t __vm_page_size = 0; /* Must be data not bss for weak alias. */
weak_alias(__vm_page_size,vm_page_size)25 weak_alias (__vm_page_size, vm_page_size)
26
27 #ifdef NDR_DEF_HEADER
28 /* This defines NDR_record, which the MiG-generated stubs use. XXX namespace */
29 # include NDR_DEF_HEADER
30 #endif
31
32 void
33 __mach_init (void)
34 {
35 kern_return_t err;
36
37 __mach_task_self_ = (__mach_task_self) ();
38 __mach_host_self_ = (__mach_host_self) ();
39 __mig_init (0);
40
41 #ifdef HAVE_HOST_PAGE_SIZE
42 if (err = __host_page_size (__mach_host_self (), &__vm_page_size))
43 _exit (err);
44 #else
45 {
46 vm_statistics_data_t stats;
47 if (err = __vm_statistics (__mach_task_self (), &stats))
48 _exit (err);
49 __vm_page_size = stats.pagesize;
50 }
51 #endif
52 }
53 weak_alias (__mach_init, mach_init)
54