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20bc801b | 1 | /* munlockall -- undo the effects of all prior mlock calls. Hurd version. |
581c785b | 2 | Copyright (C) 2001-2022 Free Software Foundation, Inc. |
20bc801b ST |
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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
20bc801b ST |
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 | /* Undo the effects of all prior mlock calls in this process. */ | |
26 | ||
27 | int | |
28 | munlockall (void) | |
29 | { | |
30 | mach_port_t host; | |
31 | error_t err; | |
32 | ||
33 | err = __get_privileged_ports (&host, NULL); | |
34 | if (err) | |
35 | return __hurd_fail (err); | |
36 | ||
37 | err = __vm_wire_all (host, __mach_task_self (), VM_WIRE_NONE); | |
38 | __mach_port_deallocate (__mach_task_self (), host); | |
39 | return err ? __hurd_fail (err) : 0; | |
40 | } |