elf: Add a way to check if tunable is set (BZ 27069)
[glibc.git] / elf / markermodMARKER-VALUE.c
blob4e4be87c4e861de62f8275045027117ee0745f53
1 /* Source file template for building shared objects with marker functions.
2 Copyright (C) 2020-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 /* MARKER and VALUE must be set on the compiler command line. */
21 #ifndef MARKER
22 # error MARKER not defined
23 #endif
25 int
26 MARKER (void)
28 return VALUE;