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/* Initialization of libc after dlmopen/dlclose/dlmopen (bug 29528). Main.
Copyright (C) 2022 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 <stdio.h>
#include <support/check.h>
#include <support/xdlfcn.h>
/* Run the test multiple times, to check finding a new namespace while
another namespace is already in use. This used to trigger bug 29600. */
static void
recurse (int depth)
{
if (depth == 0)
return;
printf ("info: running at depth %d\n", depth);
void *handle = xdlmopen (LM_ID_NEWLM, "tst-dlmopen-twice-mod1.so",
RTLD_NOW);
xdlclose (handle);
handle = xdlmopen (LM_ID_NEWLM, "tst-dlmopen-twice-mod2.so", RTLD_NOW);
int (*run_check) (void) = xdlsym (handle, "run_check");
TEST_COMPARE (run_check (), 0);
recurse (depth - 1);
xdlclose (handle);
}
static int
do_test (void)
{
/* First run the test without nesting. */
recurse (1);
/* Then with nesting. The constant needs to be less than the
internal DL_NNS namespace constant. */
recurse (10);
return 0;
}
#include <support/test-driver.c>
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