1  /* Test propagation of NODELETE to an already-loaded object via relocation.
       2     NODELETE helper module.
       3     Copyright (C) 2019-2023 Free Software Foundation, Inc.
       4     This file is part of the GNU C Library.
       5  
       6     The GNU C Library is free software; you can redistribute it and/or
       7     modify it under the terms of the GNU Lesser General Public
       8     License as published by the Free Software Foundation; either
       9     version 2.1 of the License, or (at your option) any later version.
      10  
      11     The GNU C Library is distributed in the hope that it will be useful,
      12     but WITHOUT ANY WARRANTY; without even the implied warranty of
      13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14     Lesser General Public License for more details.
      15  
      16     You should have received a copy of the GNU Lesser General Public
      17     License along with the GNU C Library; if not, see
      18     <https://www.gnu.org/licenses/>.  */
      19  
      20  #include <stdbool.h>
      21  #include <stdio.h>
      22  #include <unistd.h>
      23  
      24  /* Defined in tst-dlopen-nodelete-reloc-mod1.so.  This dependency is
      25     not expressed via DT_NEEDED, so this reference marks the other
      26     object as NODELETE dynamically, during initially relocation.  */
      27  extern bool may_finalize_mod1;
      28  
      29  static void __attribute__ ((destructor))
      30  fini (void)
      31  {
      32    if (!may_finalize_mod1)
      33      {
      34        puts ("error: tst-dlopen-nodelete-reloc-mod2.so destructor"
      35              " called too early");
      36        _exit (1);
      37      }
      38  }