File: dlclose.c

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glibc 2.19-18+deb8u4
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/* Close a handle opened by `dlopen'.
   Copyright (C) 1995-2014 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
   <http://www.gnu.org/licenses/>.  */

#include <dlfcn.h>
#include <ldsodefs.h>

#if !defined SHARED && defined IS_IN_libdl

int
dlclose (void *handle)
{
  return __dlclose (handle);
}

#else

static void
dlclose_doit (void *handle)
{
  GLRO(dl_close) (handle);
}

int
__dlclose (void *handle)
{
# ifdef SHARED
  if (__builtin_expect (_dlfcn_hook != NULL, 0))
    return _dlfcn_hook->dlclose (handle);
# endif

  return _dlerror_run (dlclose_doit, handle) ? -1 : 0;
}
# ifdef SHARED
strong_alias (__dlclose, dlclose)
# endif
#endif