dlfcn/dlfreeres.c

   1 /* Clean up allocated libdl memory on demand.
   2    Copyright (C) 2018-2020 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #include <set-hooks.h>
  20 #include <libc-symbols.h>
  21 #include <dlfcn.h>
  22
  23 /* Free libdl.so resources.
  24    Note: Caller ensures we are called only once.  */
  25 void
  26 __libdl_freeres (void)
  27 {
  28   call_function_static_weak (__dlerror_main_freeres);
  29 }