1 | /* mlockall -- lock in core all the pages in this process. Hurd version. |
2 | Copyright (C) 2001-2024 Free Software Foundation, Inc. |
3 | This file is part of the GNU C Library. |
4 | |
5 | The GNU C Library is free software; you can redistribute it and/or |
6 | modify it under the terms of the GNU Lesser General Public |
7 | License as published by the Free Software Foundation; either |
8 | version 2.1 of the License, or (at your option) any later version. |
9 | |
10 | The GNU C Library is distributed in the hope that it will be useful, |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
13 | Lesser General Public License for more details. |
14 | |
15 | You should have received a copy of the GNU Lesser General Public |
16 | License along with the GNU C Library; if not, see |
17 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #include <sys/types.h> |
20 | #include <sys/mman.h> |
21 | #include <errno.h> |
22 | #include <hurd.h> |
23 | #include <mach/mach_host.h> |
24 | |
25 | /* Cause all currently mapped pages of the process to be memory resident |
26 | until unlocked by a call to the `munlockall', until the process exits, |
27 | or until the process calls `execve'. */ |
28 | |
29 | int |
30 | mlockall (int flags) |
31 | { |
32 | mach_port_t host; |
33 | error_t err; |
34 | |
35 | err = __get_privileged_ports (&host, NULL); |
36 | if (err) |
37 | return __hurd_fail (err); |
38 | |
39 | err = __vm_wire_all (host, __mach_task_self (), flags); |
40 | __mach_port_deallocate (__mach_task_self (), host); |
41 | return err ? __hurd_fail (err) : 0; |
42 | } |
43 | |