glibc/dlfcn/dlclose.c

52 lines
1.3 KiB
C

/* Close a handle opened by `dlopen'.
Copyright (C) 1995-2017 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 && 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 (__glibc_unlikely (_dlfcn_hook != NULL))
return _dlfcn_hook->dlclose (handle);
# endif
return _dlerror_run (dlclose_doit, handle) ? -1 : 0;
}
# ifdef SHARED
strong_alias (__dlclose, dlclose)
# endif
#endif