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glibc  2.9
dlclose.c
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00001 /* Close a handle opened by `dlopen'.
00002    Copyright (C) 1995, 1996, 1997, 1998, 1999, 2004
00003    Free Software Foundation, Inc.
00004    This file is part of the GNU C Library.
00005 
00006    The GNU C Library is free software; you can redistribute it and/or
00007    modify it under the terms of the GNU Lesser General Public
00008    License as published by the Free Software Foundation; either
00009    version 2.1 of the License, or (at your option) any later version.
00010 
00011    The GNU C Library is distributed in the hope that it will be useful,
00012    but WITHOUT ANY WARRANTY; without even the implied warranty of
00013    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014    Lesser General Public License for more details.
00015 
00016    You should have received a copy of the GNU Lesser General Public
00017    License along with the GNU C Library; if not, write to the Free
00018    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00019    02111-1307 USA.  */
00020 
00021 #include <dlfcn.h>
00022 #include <ldsodefs.h>
00023 
00024 #if !defined SHARED && defined IS_IN_libdl
00025 
00026 int
00027 dlclose (void *handle)
00028 {
00029   return __dlclose (handle);
00030 }
00031 
00032 #else
00033 
00034 static void
00035 dlclose_doit (void *handle)
00036 {
00037   GLRO(dl_close) (handle);
00038 }
00039 
00040 int
00041 __dlclose (void *handle)
00042 {
00043 # ifdef SHARED
00044   if (__builtin_expect (_dlfcn_hook != NULL, 0))
00045     return _dlfcn_hook->dlclose (handle);
00046 # endif
00047 
00048   return _dlerror_run (dlclose_doit, handle) ? -1 : 0;
00049 }
00050 # ifdef SHARED
00051 strong_alias (__dlclose, dlclose)
00052 # endif
00053 #endif