xnu-7195.101.1.tar.gz
[apple/xnu.git] / libsyscall / wrappers / unix03 / munmap.c
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1/*
2 * Copyright (c) 2012 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24#include <sys/cdefs.h>
25
26#if __DARWIN_UNIX03
27
28#include <sys/mman.h>
29#include <mach/mach_init.h>
30#include "stack_logging_internal.h"
31
32/*
33 * munmap stub, for stack logging of VM allocations.
34 *
35 * This is for UNIX03 only.
36 */
37extern int __munmap(void *, size_t);
38
39int
40munmap(void *addr, size_t len)
41{
42 if (__syscall_logger) {
43 __syscall_logger(stack_logging_type_vm_deallocate, (uintptr_t)mach_task_self(), (uintptr_t)addr, len, 0, 0);
44 }
45
46 int result = __munmap(addr, len);
47
48 return result;
49}
50
51#endif /* __DARWIN_UNIX03 */