1/* Module whose constructor should not be invoked by dlopen (NULL, RTLD_LAZY).
2 Copyright (C) 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#include <stdio.h>
20#include <stdlib.h>
21
22extern int mod1_status;
23int mod2_status;
24
25static void __attribute__ ((constructor))
26init (void)
27{
28 printf (format: "info: tst-dlopen-constructor-null-mod2.so constructor"
29 " (mod1_status=%d)", mod1_status);
30 if (!(mod1_status == 1 && mod2_status == 0))
31 {
32 puts (s: "error: mod1_status == 1 && mod2_status == 0 expected");
33 exit (status: 1);
34 }
35 setenv (name: "mod2_status", value: "constructed", replace: 1);
36 mod2_status = 1;
37}
38

source code of glibc/elf/tst-dlopen-constructor-null-mod2.c