/* Test unrelated dlopen after dlopen failure involving NODELETE.

   Copyright (C) 2019-2020 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)

{

  /* This test uses libpthread as the canonical NODELETE module.  If

     libpthread is no longer NODELETE because it has been merged into

     libc, the test needs to be updated.  */

  TEST_VERIFY (dlsym (NULL, "pthread_create") == 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>