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f7a9f785 | 1 | /* Copyright (C) 1994-2016 Free Software Foundation, Inc. |
478b92f0 | 2 | This file is part of the GNU C Library. |
28f540f4 | 3 | |
478b92f0 | 4 | The GNU C Library is free software; you can redistribute it and/or |
41bdb6e2 AJ |
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. | |
28f540f4 | 8 | |
478b92f0 UD |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
28f540f4 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 PE |
15 | License along with the GNU C Library; if not, see |
16 | <http://www.gnu.org/licenses/>. */ | |
28f540f4 RM |
17 | |
18 | #include <sys/types.h> | |
19 | #include <sys/mman.h> | |
20 | #include <errno.h> | |
21 | #include <mach.h> | |
22 | ||
23 | /* Deallocate any mapping for the region starting at ADDR and extending LEN | |
24 | bytes. Returns 0 if successful, -1 for errors (and sets errno). */ | |
25 | ||
26 | int | |
f2ea0f5b | 27 | __munmap (__ptr_t addr, size_t len) |
28f540f4 RM |
28 | { |
29 | kern_return_t err; | |
fd15a59b ST |
30 | |
31 | if (addr == 0) | |
32 | { | |
33 | errno = EINVAL; | |
34 | return -1; | |
35 | } | |
36 | ||
28f540f4 RM |
37 | if (err = __vm_deallocate (__mach_task_self (), |
38 | (vm_address_t) addr, (vm_size_t) len)) | |
39 | { | |
40 | errno = err; | |
41 | return -1; | |
42 | } | |
43 | return 0; | |
44 | } | |
6408bdde RM |
45 | |
46 | weak_alias (__munmap, munmap) |