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/* Module calling dlopen (NULL, RTLD_LAZY) to obtain the global scope.
Copyright (C) 2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
int mod1_status;
static void __attribute__ ((constructor))
init (void)
{
puts ("info: tst-dlopen-constructor-null-mod1.so constructor");
void *handle = dlopen (NULL, RTLD_LAZY);
if (handle == NULL)
{
printf ("error: %s\n", dlerror ());
exit (1);
}
puts ("info: dlopen returned");
if (dlsym (handle, "malloc") != malloc)
{
puts ("error: dlsym did not produce expected result");
exit (1);
}
dlclose (handle);
/* Check that the second module's constructor has not executed. */
if (getenv ("mod2_status") != NULL)
{
printf ("error: mod2_status environment variable set: %s\n",
getenv ("mod2_status"));
exit (1);
}
/* Communicate to the second module that the constructor executed. */
mod1_status = 1;
}
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