src/plugin.h

   1 /*
   2  *
   3  *  BlueZ - Bluetooth protocol stack for Linux
   4  *
   5  *  Copyright (C) 2004-2010  Marcel Holtmann <marcel@holtmann.org>
   6  *
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21  *
  22  */
  23 #define BLUETOOTH_PLUGIN_PRIORITY_LOW      -100
  24 #define BLUETOOTH_PLUGIN_PRIORITY_DEFAULT     0
  25 #define BLUETOOTH_PLUGIN_PRIORITY_HIGH      100
  26
  27 struct bluetooth_plugin_desc {
  28         const char *name;
  29         const char *version;
  30         int priority;
  31         int (*init) (void);
  32         void (*exit) (void);
  33         void *debug_start;
  34         void *debug_stop;
  35 };
  36
  37 #ifdef BLUETOOTH_PLUGIN_BUILTIN
  38 #define BLUETOOTH_PLUGIN_DEFINE(name, version, priority, init, exit) \
  39                 struct bluetooth_plugin_desc __bluetooth_builtin_ ## name = { \
  40                         #name, version, priority, init, exit \
  41                 };
  42 #else
  43 #define BLUETOOTH_PLUGIN_DEFINE(name, version, priority, init, exit) \
  44                 extern struct btd_debug_desc __start___debug[] \
  45                                 __attribute__ ((weak, visibility("hidden"))); \
  46                 extern struct btd_debug_desc __stop___debug[] \
  47                                 __attribute__ ((weak, visibility("hidden"))); \
  48                 extern struct bluetooth_plugin_desc bluetooth_plugin_desc \
  49                                 __attribute__ ((visibility("default"))); \
  50                 struct bluetooth_plugin_desc bluetooth_plugin_desc = { \
  51                         #name, version, priority, init, exit, \
  52                         __start___debug, __stop___debug \
  53                 };
  54 #endif