diff --git a/src/core/tools.c b/src/core/tools.c
new file mode 100644
index 0000000..0661da4
--- /dev/null
+++ b/src/core/tools.c
@@ -0,0 +1,45 @@
+/*
+ * "Software pw3270, desenvolvido com base nos códigos fontes do WC3270  e X3270
+ * (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a
+ * aplicativos mainframe. Registro no INPI sob o nome G3270.
+ *
+ * Copyright (C) <2008> <Banco do Brasil S.A.>
+ *
+ * Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob
+ * os termos da GPL v.2 - Licença Pública Geral  GNU,  conforme  publicado  pela
+ * Free Software Foundation.
+ *
+ * Este programa é distribuído na expectativa de  ser  útil,  mas  SEM  QUALQUER
+ * GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou  de  ADEQUAÇÃO
+ * A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para
+ * obter mais detalhes.
+ *
+ * Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este
+ * programa; se não, escreva para a Free Software Foundation, Inc., 51 Franklin
+ * St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Este programa está nomeado como main.c e possui - linhas de código.
+ *
+ * Contatos:
+ *
+ * perry.werneck@gmail.com	(Alexandre Perry de Souza Werneck)
+ * erico.mendonca@gmail.com	(Erico Mascarenhas Mendonça)
+ *
+ */
+
+#include <lib3270.h>
+#include <lib3270/ipc.h>
+
+/*--[ Implement ]------------------------------------------------------------------------------------*/
+
+ #if ! GLIB_CHECK_VERSION(2,44,0)
+
+ // Reference: https://github.com/ImageMagick/glib/blob/master/glib/glib-autocleanups.h
+ void ipc3270_autoptr_cleanup_generic_gfree(void *p)
+ {
+        void **pp = (void**)p;
+        g_free (*pp);
+ }
+
+ #endif // ! GLIB(2,44,0)
+
diff --git a/src/core/windows/pipesource.c b/src/core/windows/pipesource.c
index d238be5..c602ef2 100644
--- a/src/core/windows/pipesource.c
+++ b/src/core/windows/pipesource.c
@@ -28,6 +28,7 @@
  */
 
 #include "gobject.h"
+#include <lib3270/ipc.h>
 #include <lib3270/trace.h>
 
 void ipc3270_wait_for_client(IPC3270_PIPE_SOURCE *source) {
diff --git a/src/include/lib3270/ipc.h b/src/include/lib3270/ipc.h
index ff6000a..4612c03 100644
--- a/src/include/lib3270/ipc.h
+++ b/src/include/lib3270/ipc.h
@@ -31,6 +31,8 @@
  /**
   * @brief Common definitions for pw3270 IPC plugin.
   *
+  * @author Perry Werneck <perry.werneck@gmail.com>
+  *
   */
 
 #ifndef PW3270_IPC_H_INCLUDED
@@ -53,7 +55,7 @@
 
 	#endif // _WIN32
 
-
+	#include <glib.h>
 	#include <gtk/gtk.h>
 	#include <lib3270.h>
 
@@ -69,25 +71,25 @@
 	typedef struct _ipc3270					ipc3270;
 	typedef struct _ipc3270Class			ipc3270Class;
 
-	GObject			* ipc3270_new();
-	GType			  ipc3270_get_type(void);
-    void			  ipc3270_set_session(GObject *object, H3270 *hSession);
-    void			  ipc3270_export_object(GObject *object, const char *name, GError **error);
+	GObject				* ipc3270_new();
+	GType				  ipc3270_get_type(void);
+    void				  ipc3270_set_session(GObject *object, H3270 *hSession);
+    void				  ipc3270_export_object(GObject *object, const char *name, GError **error);
 
-	gchar			* ipc3270_convert_output_string(GObject *object, const gchar *string, GError **error);
-	gchar			* ipc3270_convert_input_string(GObject *object, const gchar *string, GError **error);
-	GVariant		* ipc3270_GVariant_from_input_string(GObject *object, char *string, GError **error);
+	gchar				* ipc3270_convert_output_string(GObject *object, const gchar *string, GError **error);
+	gchar				* ipc3270_convert_input_string(GObject *object, const gchar *string, GError **error);
+	GVariant			* ipc3270_GVariant_from_input_string(GObject *object, char *string, GError **error);
 
-	void			  ipc3270_add_terminal_introspection(GString *string);
+	void				  ipc3270_add_terminal_introspection(GString *string);
 
-	const gchar		* ipc3270_get_display_charset(GObject *object);
-	H3270			* ipc3270_get_session(GObject *object);
+	const gchar			* ipc3270_get_display_charset(GObject *object);
+	H3270				* ipc3270_get_session(GObject *object);
 
-	void			  ipc3270_set_error(GObject *object, int errcode, GError **error);
+	void				  ipc3270_set_error(GObject *object, int errcode, GError **error);
 
-	GVariant		* ipc3270_method_call(GObject *object, const gchar *method_name, GVariant *parameters, GError **error);
-	gboolean		  ipc3270_set_property(GObject *object, const gchar *property_name, GVariant *value, GError **error);
-	GVariant		* ipc3270_get_property(GObject *object, const gchar *property_name, GError **error);
+	GVariant			* ipc3270_method_call(GObject *object, const gchar *method_name, GVariant *parameters, GError **error);
+	gboolean			  ipc3270_set_property(GObject *object, const gchar *property_name, GVariant *value, GError **error);
+	GVariant			* ipc3270_get_property(GObject *object, const gchar *property_name, GError **error);
 
 	#ifdef _WIN32
 		unsigned char	* ipc3270_pack(const gchar *name, int id, GVariant *values, size_t * szPacket);
@@ -98,6 +100,11 @@
 
 	G_END_DECLS
 
+	#if ! GLIB_CHECK_VERSION(2,44,0)
+        G_GNUC_INTERNAL void ipc3270_autoptr_cleanup_generic_gfree(void *p);
+        #define g_autofree __attribute__((cleanup(ipc3270_autoptr_cleanup_generic_gfree)))
+	#endif // ! GLIB(2,44,0)
+
 	#ifdef DEBUG
 		#define debug( fmt, ... )  fprintf(stderr,"%s(%d) " fmt "\n", __FILE__, (int) __LINE__, __VA_ARGS__ ); fflush(stderr);
 	#else
--
libgit2 0.21.2