gi/pygi-closure.h

   1 /* -*- Mode: C; c-basic-offset: 4 -*-
   2  * vim: tabstop=4 shiftwidth=4 expandtab
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   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  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 #ifndef __PYGI_CLOSURE_H__
  19 #define __PYGI_CLOSURE_H__
  20
  21 #include <Python.h>
  22 #include <girffi.h>
  23 #include <ffi.h>
  24
  25 #include "pygi-cache.h"
  26
  27 G_BEGIN_DECLS
  28
  29
  30 /* Private */
  31
  32 typedef struct _PyGICClosure
  33 {
  34     GICallableInfo *info;
  35     PyObject *function;
  36
  37     ffi_closure *closure;
  38     ffi_cif cif;
  39
  40     GIScopeType scope;
  41
  42     PyObject* user_data;
  43
  44     PyGIClosureCache *cache;
  45 } PyGICClosure;
  46
  47 void _pygi_closure_handle (ffi_cif *cif, void *result, void
  48                            **args, void *userdata);
  49
  50 void _pygi_invoke_closure_free (gpointer user_data);
  51
  52 PyGICClosure* _pygi_make_native_closure (GICallableInfo* info,
  53                                          GIScopeType scope,
  54                                          PyObject *function,
  55                                          gpointer user_data);
  56
  57 PyGIArgCache *pygi_arg_callback_new_from_info  (GITypeInfo        *type_info,
  58                                                 GIArgInfo         *arg_info,   /* may be null */
  59                                                 GITransfer         transfer,
  60                                                 PyGIDirection      direction,
  61                                                 GIInterfaceInfo   *iface_info,
  62                                                 PyGICallableCache *callable_cache);
  63
  64 G_END_DECLS
  65
  66 #endif /* __PYGI_CLOSURE_H__ */