git.roojs.org Git - gnome.gobject-introspection/blob - girepository/girffi.h

   1 /* GObject introspection: Helper functions for ffi integration
   2  *
   3  * Copyright (C) 2008 Red Hat, Inc
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the
  17  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18  * Boston, MA 02111-1307, USA.
  19  */
  20
  21 #ifndef __GIRFFI_H__
  22 #define __GIRFFI_H__
  23
  24 #include "girepository.h"
  25 #include <ffi.h>
  26
  27 G_BEGIN_DECLS
  28
  29 typedef void (*GIFFIClosureCallback) (ffi_cif *,
  30                                       void *,
  31                                       void **,
  32                                       void *);
  33
  34 typedef struct _GIFunctionInvoker GIFunctionInvoker;
  35
  36 struct _GIFunctionInvoker {
  37   ffi_cif cif;
  38   gpointer native_address;
  39
  40   gpointer padding[3];
  41 };
  42
  43 ffi_type *    g_type_info_get_ffi_type            (GITypeInfo           *info);
  44
  45 gboolean      g_function_info_prep_invoker        (GIFunctionInfo       *info,
  46                                                    GIFunctionInvoker    *invoker,
  47                                                    GError              **error);
  48
  49 void          g_function_invoker_destroy          (GIFunctionInvoker    *invoker);
  50
  51
  52 ffi_closure * g_callable_info_prepare_closure     (GICallableInfo       *callable_info,
  53                                                    ffi_cif              *cif,
  54                                                    GIFFIClosureCallback  callback,
  55                                                    gpointer              user_data);
  56 void          g_callable_info_free_closure        (GICallableInfo       *callable_info,
  57                                                    ffi_closure          *closure);
  58
  59 G_END_DECLS
  60
  61 #endif /* __GIRFFI_H__ */