1/* Utilities functions to name memory mappings.
2 Copyright (C) 2023-2024 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#ifndef __SETVMANAME_H
20#define __SETVMANAME_H
21
22/* Set the NAME to the anonymous memory map START with size of LEN.
23 It assumes well-formatted input. */
24#if IS_IN(libc) || IS_IN(rtld)
25void __set_vma_name (void *start, size_t len, const char *name)
26 attribute_hidden;
27#else
28#include <sys/prctl.h>
29
30static inline void __set_vma_name (void *start, size_t len, const char *name)
31{
32 prctl (PR_SET_VMA, PR_SET_VMA_ANON_NAME, start, len, name);
33}
34#endif
35
36#endif
37

source code of glibc/sysdeps/unix/sysv/linux/setvmaname.h