1  /* GObject - GLib Type, Object, Parameter and Signal Library
       2   * Copyright (C) 1998-1999, 2000-2001 Tim Janik and Red Hat, Inc.
       3   *
       4   * SPDX-License-Identifier: LGPL-2.1-or-later
       5   *
       6   * This library is free software; you can redistribute it and/or
       7   * modify it under the terms of the GNU Lesser General Public
       8   * License as published by the Free Software Foundation; either
       9   * version 2.1 of the License, or (at your option) any later version.
      10   *
      11   * This library is distributed in the hope that it will be useful,
      12   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14   * Lesser General Public License for more details.
      15   *
      16   * You should have received a copy of the GNU Lesser General
      17   * Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
      18   */
      19  #ifndef __G_TYPE_PRIVATE_H__
      20  #define __G_TYPE_PRIVATE_H__
      21  
      22  #if !defined (__GLIB_GOBJECT_H_INSIDE__) && !defined (GOBJECT_COMPILATION)
      23  #error "Only <glib-object.h> can be included directly."
      24  #endif
      25  
      26  #include "gboxed.h"
      27  #include "gclosure.h"
      28  #include "gobject.h"
      29  
      30  /*< private >
      31   * GOBJECT_IF_DEBUG:
      32   * @debug_type: Currently only OBJECTS and SIGNALS are supported.
      33   * @code_block: Custom debug code.
      34   *
      35   * A convenience macro for debugging GObject.
      36   * This macro is only used internally.
      37   */
      38  #ifdef G_ENABLE_DEBUG
      39  #define GOBJECT_IF_DEBUG(debug_type, code_block) \
      40  G_STMT_START { \
      41      if (_g_type_debug_flags & G_TYPE_DEBUG_ ## debug_type) \
      42        { code_block; } \
      43  } G_STMT_END
      44  #else   /* !G_ENABLE_DEBUG */
      45  #define GOBJECT_IF_DEBUG(debug_type, code_block)
      46  #endif  /* G_ENABLE_DEBUG */
      47  
      48  G_BEGIN_DECLS
      49  
      50  G_GNUC_BEGIN_IGNORE_DEPRECATIONS
      51  extern GTypeDebugFlags _g_type_debug_flags;
      52  G_GNUC_END_IGNORE_DEPRECATIONS
      53  
      54  typedef struct _GRealClosure  GRealClosure;
      55  struct _GRealClosure
      56  {
      57    GClosureMarshal meta_marshal;
      58    gpointer meta_marshal_data;
      59    GVaClosureMarshal va_meta_marshal;
      60    GVaClosureMarshal va_marshal;
      61    GClosure closure;
      62  };
      63  
      64  #define G_REAL_CLOSURE(_c) \
      65    ((GRealClosure *)G_STRUCT_MEMBER_P ((_c), -G_STRUCT_OFFSET (GRealClosure, closure)))
      66  
      67  void    _g_value_c_init          (void); /* sync with gvalue.c */
      68  void    _g_value_types_init      (void); /* sync with gvaluetypes.c */
      69  void    _g_enum_types_init       (void); /* sync with genums.c */
      70  void    _g_param_type_init       (void); /* sync with gparam.c */
      71  void    _g_boxed_type_init       (void); /* sync with gboxed.c */
      72  void    _g_object_type_init      (void); /* sync with gobject.c */
      73  void    _g_param_spec_types_init (void); /* sync with gparamspecs.c */
      74  void    _g_value_transforms_init (void); /* sync with gvaluetransform.c */
      75  void    _g_signal_init           (void); /* sync with gsignal.c */
      76  
      77  /* for gboxed.c */
      78  gpointer        _g_type_boxed_copy      (GType          type,
      79                                           gpointer       value);
      80  void            _g_type_boxed_free      (GType          type,
      81                                           gpointer       value);
      82  void            _g_type_boxed_init      (GType          type,
      83                                           GBoxedCopyFunc copy_func,
      84                                           GBoxedFreeFunc free_func);
      85  
      86  gboolean    _g_closure_is_void (GClosure       *closure,
      87  				gpointer        instance);
      88  gboolean    _g_closure_supports_invoke_va (GClosure       *closure);
      89  void        _g_closure_set_va_marshal (GClosure       *closure,
      90  				       GVaClosureMarshal marshal);
      91  void        _g_closure_invoke_va (GClosure       *closure,
      92  				  GValue /*out*/ *return_value,
      93  				  gpointer        instance,
      94  				  va_list         args,
      95  				  int             n_params,
      96  				  GType          *param_types);
      97  
      98  gboolean    _g_object_has_signal_handler     (GObject     *object);
      99  void        _g_object_set_has_signal_handler (GObject     *object,
     100                                                guint        signal_id);
     101  
     102  /**
     103   * _G_DEFINE_TYPE_EXTENDED_WITH_PRELUDE:
     104   *
     105   * See also G_DEFINE_TYPE_EXTENDED().  This macro is generally only
     106   * necessary as a workaround for classes which have properties of
     107   * object types that may be initialized in distinct threads.  See:
     108   * https://bugzilla.gnome.org/show_bug.cgi?id=674885
     109   *
     110   * Currently private.
     111   */
     112  #define _G_DEFINE_TYPE_EXTENDED_WITH_PRELUDE(TN, t_n, T_P, _f_, _P_, _C_)	    _G_DEFINE_TYPE_EXTENDED_BEGIN_PRE (TN, t_n, T_P) {_P_;} _G_DEFINE_TYPE_EXTENDED_BEGIN_REGISTER (TN, t_n, T_P, _f_){_C_;} _G_DEFINE_TYPE_EXTENDED_END()
     113  
     114  G_END_DECLS
     115  
     116  #endif /* __G_TYPE_PRIVATE_H__ */