--- libelwix/src/pio.c	2020/06/19 22:35:05	1.7.2.1
+++ libelwix/src/pio.c	2024/10/10 23:55:49	1.9
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: pio.c,v 1.7.2.1 2020/06/19 22:35:05 misho Exp $
+* $Id: pio.c,v 1.9 2024/10/10 23:55:49 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -12,7 +12,7 @@ terms:
 All of the documentation and software included in the ELWIX and AITNET
 Releases is copyrighted by ELWIX - Sofia/Bulgaria <info@elwix.org>
 
-Copyright 2004 - 2020
+Copyright 2004 - 2024
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -45,6 +45,14 @@ SUCH DAMAGE.
 */
 #include "global.h"
 
+
+#ifdef __linux__
+#define __USE_GNU
+
+#ifndef O_CLOEXEC
+#define O_CLOEXEC	02000000
+#endif
+#endif
 
 extern char **environ;