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.
21 * Modified by the GLib Team and others 1997-1999. See the AUTHORS
22 * file for a list of people on the GLib Team. See the ChangeLog
23 * files for a list of changes. These files are distributed with
24 * GLib at ftp://ftp.gtk.org/pub/gtk/.
33 #endif /* __cplusplus */
35 extern const char *g_log_domain_gmodule;
39 /* exporting and importing functions, this is special cased
40 * to feature Windows dll stubs.
42 #define G_MODULE_IMPORT extern
44 # define G_MODULE_EXPORT __declspec(dllexport)
45 #else /* !NATIVE_WIN32 */
46 # define G_MODULE_EXPORT
47 #endif /* !NATIVE_WIN32 */
51 G_MODULE_BIND_LAZY = 1 << 0,
52 G_MODULE_BIND_MASK = 0x01
55 typedef struct _GModule GModule;
56 typedef const gchar* (*GModuleCheckInit) (GModule *module);
57 typedef void (*GModuleUnload) (GModule *module);
59 /* return TRUE if dynamic module loading is supported */
60 gboolean g_module_supported (void);
62 /* open a module `file_name' and return handle, which is NULL on error */
63 GModule* g_module_open (const gchar *file_name,
66 /* close a previously opened module, returns TRUE on success */
67 gboolean g_module_close (GModule *module);
69 /* make a module resident so g_module_close on it will be ignored */
70 void g_module_make_resident (GModule *module);
72 /* query the last module error as a string */
73 gchar* g_module_error (void);
75 /* retrive a symbol pointer from `module', returns TRUE on success */
76 gboolean g_module_symbol (GModule *module,
77 const gchar *symbol_name,
80 /* retrive the file name from an existing module */
81 gchar* g_module_name (GModule *module);
84 /* Build the actual file name containing a module. `directory' is the
85 * directory where the module file is supposed to be, or NULL or empty
86 * in which case it should either be in the current directory or, on
87 * some operating systems, in some standard place, for instance on the
88 * PATH. Hence, to be absoultely sure to get the correct module,
89 * always pass in a directory. The file name consists of the directory,
90 * if supplied, and `module_name' suitably decorated accoring to
91 * the operating system's conventions (for instance lib*.so or *.dll).
93 * No checks are made that the file exists, or is of correct type.
95 gchar* g_module_build_path (const gchar *directory,
96 const gchar *module_name);
100 #endif /* __cplusplus */
103 #endif /* __GMODULE_H__ */