diff options
Diffstat (limited to 'libltdl/libltdl/lt_dlloader.h')
| -rw-r--r-- | libltdl/libltdl/lt_dlloader.h | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/libltdl/libltdl/lt_dlloader.h b/libltdl/libltdl/lt_dlloader.h new file mode 100644 index 0000000..ae131fa --- /dev/null +++ b/libltdl/libltdl/lt_dlloader.h @@ -0,0 +1,90 @@ +/* lt_dlloader.h -- dynamic library loader interface + + Copyright (C) 2004, 2007, 2008 Free Software Foundation, Inc. + Written by Gary V. Vaughan, 2004 + + 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. +*/ + +#if !defined(LT_DLLOADER_H) +#define LT_DLLOADER_H 1 + +#include <libltdl/lt_system.h> + +LT_BEGIN_C_DECLS + +typedef void * lt_dlloader; +typedef void * lt_module; +typedef void * lt_user_data; +typedef struct lt__advise * lt_dladvise; + +/* Function pointer types for module loader vtable entries: */ +typedef lt_module lt_module_open (lt_user_data data, + const char *filename, + lt_dladvise advise); +typedef int lt_module_close (lt_user_data data, + lt_module module); +typedef void * lt_find_sym (lt_user_data data, lt_module module, + const char *symbolname); +typedef int lt_dlloader_init (lt_user_data data); +typedef int lt_dlloader_exit (lt_user_data data); + +/* Default priority is LT_DLLOADER_PREPEND if none is explicitly given. */ +typedef enum { + LT_DLLOADER_PREPEND = 0, LT_DLLOADER_APPEND +} lt_dlloader_priority; + +/* This structure defines a module loader, as populated by the get_vtable + entry point of each loader. */ +typedef struct { + const char * name; + const char * sym_prefix; + lt_module_open * module_open; + lt_module_close * module_close; + lt_find_sym * find_sym; + lt_dlloader_init * dlloader_init; + lt_dlloader_exit * dlloader_exit; + lt_user_data dlloader_data; + lt_dlloader_priority priority; +} lt_dlvtable; + +LT_SCOPE int lt_dlloader_add (const lt_dlvtable *vtable); +LT_SCOPE lt_dlloader lt_dlloader_next (const lt_dlloader loader); + +LT_SCOPE lt_dlvtable * lt_dlloader_remove (char *name); +LT_SCOPE const lt_dlvtable *lt_dlloader_find (char *name); +LT_SCOPE const lt_dlvtable *lt_dlloader_get (lt_dlloader loader); + + +/* Type of a function to get a loader's vtable: */ +typedef const lt_dlvtable *lt_get_vtable (lt_user_data data); + +#ifdef LT_DEBUG_LOADERS +LT_SCOPE void lt_dlloader_dump (void); +#endif + +LT_END_C_DECLS + +#endif /*!defined(LT_DLLOADER_H)*/ |