src/plugin.h

/*
 *
 *  BlueZ - Bluetooth protocol stack for Linux
 *
 *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
 *
 *
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program 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 General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 *
 */
#define BLUETOOTH_PLUGIN_PRIORITY_LOW      -100
#define BLUETOOTH_PLUGIN_PRIORITY_DEFAULT     0
#define BLUETOOTH_PLUGIN_PRIORITY_HIGH      100

struct bluetooth_plugin_desc {
	const char *name;
	const char *version;
	int priority;
	int (*init) (void);
	void (*exit) (void);
	void *debug_start;
	void *debug_stop;
};

#ifdef BLUETOOTH_PLUGIN_BUILTIN
#define BLUETOOTH_PLUGIN_DEFINE(name, version, priority, init, exit) \
		struct bluetooth_plugin_desc __bluetooth_builtin_ ## name = { \
			#name, version, priority, init, exit \
		};
#else
#define BLUETOOTH_PLUGIN_DEFINE(name, version, priority, init, exit) \
		extern struct btd_debug_desc __start___debug[] \
				__attribute__ ((weak, visibility("hidden"))); \
		extern struct btd_debug_desc __stop___debug[] \
				__attribute__ ((weak, visibility("hidden"))); \
		extern struct bluetooth_plugin_desc bluetooth_plugin_desc \
				__attribute__ ((visibility("default"))); \
		struct bluetooth_plugin_desc bluetooth_plugin_desc = { \
			#name, version, priority, init, exit, \
			__start___debug, __stop___debug \
		};
#endif