include/dbus_bindings.h

   1 /* C API for _dbus_bindings, used by _dbus_glib_bindings.
   2  *
   3  * Copyright (C) 2006 Collabora Ltd.
   4  *
   5  * Licensed under the Academic Free License version 2.1
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU General Public License
  20  * along with this program; if not, write to the Free Software
  21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  22  *
  23  */
  24
  25 #ifndef DBUS_BINDINGS_H
  26 #define DBUS_BINDINGS_H
  27
  28 #define DBUS_API_SUBJECT_TO_CHANGE 1
  29 #include <dbus/dbus.h>
  30
  31 DBUS_BEGIN_DECLS
  32
  33 #ifdef INSIDE_DBUS_BINDINGS
  34
  35 static DBusConnection *Connection_BorrowDBusConnection (PyObject *);
  36
  37 #else
  38
  39 static void **dbus_bindings_API;
  40 #define Connection_BorrowDBusConnection \
  41         (*(DBusConnection *(*)(PyObject *))dbus_bindings_API[0])
  42 static int
  43 import_dbus_bindings(void)
  44 {
  45   PyObject *module = PyImport_ImportModule ("_dbus_bindings");
  46
  47   if (module != NULL)
  48     {
  49       PyObject *c_api = PyObject_GetAttrString (module, "_C_API");
  50       if (c_api == NULL) return -1;
  51       if (PyCObject_Check (c_api))
  52         {
  53           dbus_bindings_API = (void **)PyCObject_AsVoidPtr (c_api);
  54         }
  55       Py_DECREF (c_api);
  56     }
  57   return 0;
  58 }
  59
  60 #endif
  61
  62 DBUS_END_DECLS
  63
  64 #endif