ModuleManager angefangen; libltdl zum Projekt hinzugefuegt

1 files changed, 161 insertions, 0 deletions

diff --git a/libltdl/ltdl.h b/libltdl/ltdl.h
new file mode 100644
index 0000000..bc60b88
--- /dev/null
+++ b/libltdl/ltdl.h
@@ -0,0 +1,161 @@
+/* ltdl.h -- generic dlopen functions
+
+   Copyright (C) 1998-2000, 2004, 2005,
+                 2007, 2008 Free Software Foundation, Inc.
+   Written by Thomas Tanner, 1998
+
+   NOTE: The canonical source of this file is maintained with the
+   GNU Libtool package.  Report bugs to bug-libtool@gnu.org.
+
+GNU Libltdl 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 of the License, or (at your option) any later version.
+
+As a special exception to the GNU Lesser General Public License,
+if you distribute this file as part of a program or library that
+is built using GNU Libtool, you may include this file under the
+same distribution terms that you use for the rest of that program.
+
+GNU Libltdl 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 GNU Libltdl; see the file COPYING.LIB.  If not, a
+copy can be downloaded from  http://www.gnu.org/licenses/lgpl.html,
+or obtained by writing to the Free Software Foundation, Inc.,
+51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+*/
+
+/* Only include this header file once. */
+#if !defined(LTDL_H)
+#define LTDL_H 1
+
+#include <libltdl/lt_system.h>
+#include <libltdl/lt_error.h>
+#include <libltdl/lt_dlloader.h>
+
+LT_BEGIN_C_DECLS
+
+
+/* LT_STRLEN can be used safely on NULL pointers.  */
+#define LT_STRLEN(s)	(((s) && (s)[0]) ? strlen (s) : 0)
+
+
+/* --- DYNAMIC MODULE LOADING API --- */
+
+
+typedef	struct lt__handle *lt_dlhandle;	/* A loaded module.  */
+
+/* Initialisation and finalisation functions for libltdl. */
+LT_SCOPE int	    lt_dlinit		(void);
+LT_SCOPE int	    lt_dlexit		(void);
+
+/* Module search path manipulation.  */
+LT_SCOPE int	    lt_dladdsearchdir	 (const char *search_dir);
+LT_SCOPE int	    lt_dlinsertsearchdir (const char *before,
+						  const char *search_dir);
+LT_SCOPE int 	    lt_dlsetsearchpath	 (const char *search_path);
+LT_SCOPE const char *lt_dlgetsearchpath	 (void);
+LT_SCOPE int	    lt_dlforeachfile	 (
+			const char *search_path,
+			int (*func) (const char *filename, void *data),
+			void *data);
+
+/* User module loading advisors.  */
+LT_SCOPE int	    lt_dladvise_init	 (lt_dladvise *advise);
+LT_SCOPE int	    lt_dladvise_destroy  (lt_dladvise *advise);
+LT_SCOPE int	    lt_dladvise_ext	 (lt_dladvise *advise);
+LT_SCOPE int	    lt_dladvise_resident (lt_dladvise *advise);
+LT_SCOPE int	    lt_dladvise_local	 (lt_dladvise *advise);
+LT_SCOPE int	    lt_dladvise_global   (lt_dladvise *advise);
+
+/* Portable libltdl versions of the system dlopen() API. */
+LT_SCOPE lt_dlhandle lt_dlopen		(const char *filename);
+LT_SCOPE lt_dlhandle lt_dlopenext	(const char *filename);
+LT_SCOPE lt_dlhandle lt_dlopenadvise	(const char *filename,
+					 lt_dladvise advise);
+LT_SCOPE void *	    lt_dlsym		(lt_dlhandle handle, const char *name);
+LT_SCOPE const char *lt_dlerror		(void);
+LT_SCOPE int	    lt_dlclose		(lt_dlhandle handle);
+
+
+
+/* --- PRELOADED MODULE SUPPORT --- */
+
+
+/* A preopened symbol. Arrays of this type comprise the exported
+   symbols for a dlpreopened module. */
+typedef struct {
+  const char *name;
+  void       *address;
+} lt_dlsymlist;
+
+typedef int lt_dlpreload_callback_func (lt_dlhandle handle);
+
+LT_SCOPE int	lt_dlpreload	     (const lt_dlsymlist *preloaded);
+LT_SCOPE int	lt_dlpreload_default (const lt_dlsymlist *preloaded);
+LT_SCOPE int	lt_dlpreload_open    (const char *originator,
+				      lt_dlpreload_callback_func *func);
+
+#define lt_preloaded_symbols	lt__PROGRAM__LTX_preloaded_symbols
+#define LTDL_SET_PRELOADED_SYMBOLS() 			LT_STMT_START{	\
+	extern const lt_dlsymlist lt_preloaded_symbols[];		\
+	lt_dlpreload_default(lt_preloaded_symbols);			\
+							}LT_STMT_END
+
+
+
+
+/* --- MODULE INFORMATION --- */
+
+
+/* Associating user data with loaded modules. */
+typedef void * lt_dlinterface_id;
+typedef int lt_dlhandle_interface (lt_dlhandle handle, const char *id_string);
+
+LT_SCOPE lt_dlinterface_id lt_dlinterface_register (const char *id_string,
+					  lt_dlhandle_interface *iface);
+LT_SCOPE void	lt_dlinterface_free (lt_dlinterface_id key);
+LT_SCOPE void *	lt_dlcaller_set_data  (lt_dlinterface_id key,
+					  lt_dlhandle handle, void *data);
+LT_SCOPE void *	lt_dlcaller_get_data  (lt_dlinterface_id key,
+					  lt_dlhandle handle);
+
+
+/* Read only information pertaining to a loaded module. */
+typedef	struct {
+  char *	filename;	/* file name */
+  char *	name;		/* module name */
+  int		ref_count;	/* number of times lt_dlopened minus
+				   number of times lt_dlclosed. */
+  unsigned int	is_resident:1;	/* module can't be unloaded. */
+  unsigned int	is_symglobal:1;	/* module symbols can satisfy
+				   subsequently loaded modules.  */
+  unsigned int	is_symlocal:1;	/* module symbols are only available
+				   locally. */
+} lt_dlinfo;
+
+LT_SCOPE const lt_dlinfo *lt_dlgetinfo	    (lt_dlhandle handle);
+
+LT_SCOPE lt_dlhandle	lt_dlhandle_iterate (lt_dlinterface_id iface,
+					     lt_dlhandle place);
+LT_SCOPE lt_dlhandle	lt_dlhandle_fetch   (lt_dlinterface_id iface,
+					     const char *module_name);
+LT_SCOPE int		lt_dlhandle_map	    (lt_dlinterface_id iface,
+				int (*func) (lt_dlhandle handle, void *data),
+				void *data);
+
+
+
+/* Deprecated module residency management API. */
+LT_SCOPE int	    lt_dlmakeresident	(lt_dlhandle handle);
+LT_SCOPE int	    lt_dlisresident	(lt_dlhandle handle);
+
+#define lt_ptr void *
+
+LT_END_C_DECLS
+
+#endif /*!defined(LTDL_H)*/