dlfcn/dlclose.c

   1 /* Close a handle opened by `dlopen'.
   2    Copyright (C) 1995-2022 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 <dlfcn.h>
  20 #include <ldsodefs.h>
  21 #include <shlib-compat.h>
  22
  23 int
  24 __dlclose (void *handle)
  25 {
  26 #ifdef SHARED
  27   if (GLRO (dl_dlfcn_hook) != NULL)
  28     return GLRO (dl_dlfcn_hook)->dlclose (handle);
  29 #endif
  30
  31   return _dlerror_run (GLRO (dl_close), handle) ? -1 : 0;
  32 }
  33 versioned_symbol (libc, __dlclose, dlclose, GLIBC_2_34);
  34
  35 #if OTHER_SHLIB_COMPAT (libdl, GLIBC_2_0, GLIBC_2_34)
  36 compat_symbol (libdl, __dlclose, dlclose, GLIBC_2_0);
  37 #endif