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/* Test unrelated dlopen after dlopen failure involving NODELETE.
Copyright (C) 2019-2025 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 <errno.h>
#include <gnu/lib-names.h>
#include <stddef.h>
#include <stdio.h>
#include <string.h>
#include <support/check.h>
#include <support/xdlfcn.h>
static int
do_test (void)
{
TEST_VERIFY (dlsym (NULL, "no_delete_mod_function") == NULL);
/* This is expected to fail because of the missing dependency. */
puts ("info: attempting to load tst-dlopenfailmod1.so");
TEST_VERIFY (dlopen ("tst-dlopenfailmod1.so", RTLD_LAZY) == NULL);
const char *message = dlerror ();
TEST_COMPARE_STRING (message,
"tst-dlopenfail-missingmod.so:"
" cannot open shared object file:"
" No such file or directory");
/* Open a small shared object. With a dangling GL (dl_initfirst)
pointer, this is likely to crash because there is no longer any
mapped text segment there (bug 25396). */
puts ("info: attempting to load tst-dlopenfailmod3.so");
xdlclose (xdlopen ("tst-dlopenfailmod3.so", RTLD_NOW));
return 0;
}
/* Do not perturb the dangling link map. With M_PERTURB, the link map
appears to have l_init_called set, so there are no constructor
calls and no crashes. */
#define TEST_NO_MALLOPT
#include <support/test-driver.c>
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