1 /* GMODULE - GLIB wrapper code for dynamic module loading
2 * Copyright (C) 1998 Tim Janik
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Library General Public
6 * License as published by the Free Software Foundation; either
7 * version 2 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Library General Public License for more details.
14 * You should have received a copy of the GNU Library General Public
15 * License along with this library; if not, write to the
16 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
17 * Boston, MA 02111-1307, USA.
25 #endif /* __cplusplus */
27 extern const char *g_log_domain_gmodule;
31 /* exporting and importing functions, this is special cased
32 * to feature Windows dll stubs.
34 #define G_MODULE_IMPORT extern
36 # define G_MODULE_EXPORT __declspec(dllexport)
37 #else /* !NATIVE_WIN32 */
38 # define G_MODULE_EXPORT
39 #endif /* !NATIVE_WIN32 */
43 G_MODULE_BIND_LAZY = 1 << 0,
44 G_MODULE_BIND_MASK = 0x01
47 typedef struct _GModule GModule;
48 typedef const gchar* (*GModuleCheckInit) (GModule *module);
49 typedef void (*GModuleUnload) (GModule *module);
51 /* return TRUE if dynamic module loading is supported */
52 gboolean g_module_supported (void);
54 /* open a module `file_name' and return handle, which is NULL on error */
55 GModule* g_module_open (const gchar *file_name,
58 /* close a previously opened module, returns TRUE on success */
59 gboolean g_module_close (GModule *module);
61 /* make a module resident so g_module_close on it will be ignored */
62 void g_module_make_resident (GModule *module);
64 /* query the last module error as a string */
65 gchar* g_module_error (void);
67 /* retrive a symbol pointer from `module', returns TRUE on success */
68 gboolean g_module_symbol (GModule *module,
69 const gchar *symbol_name,
72 /* retrive the file name from an existing module */
73 gchar* g_module_name (GModule *module);
76 /* Build the actual file name containing a module. `directory' is the
77 * directory where the module file is supposed to be, or NULL or empty
78 * in which case it should either be in the current directory or, on
79 * some operating systems, in some standard place, for instance on the
80 * PATH. Hence, to be absoultely sure to get the correct module,
81 * always pass in a directory. The file name consists of the directory,
82 * if supplied, and `module_name' suitably decorated accoring to
83 * the operating system's conventions (for instance lib*.so or *.dll).
85 * No checks are made that the file exists, or is of correct type.
87 gchar* g_module_build_path (const gchar *directory,
88 const gchar *module_name);
92 #endif /* __cplusplus */
95 #endif /* __GMODULE_H__ */