--- libaitio/inc/defs.h	2012/02/02 21:32:42	1.4
+++ libaitio/inc/defs.h	2013/03/19 17:31:38	1.10
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: defs.h,v 1.4 2012/02/02 21:32:42 misho Exp $
+* $Id: defs.h,v 1.10 2013/03/19 17:31:38 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, 2005, 2006, 2007, 2008, 2009, 2010, 2011
+Copyright 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -47,12 +47,20 @@ SUCH DAMAGE.
 #define __DEFS_H
 
 
-#define STRSIZ			256
 #define RECV_TIMEOUT		5000
 
 #define BUFIO_MODE_LIMIT	0
 #define BUFIO_MODE_INFINIT	1
 
+#define SESS_AIT_MAGIC		0x3CC3
+
+#define SESS_MEM_MODE		0640
+#define SESS_MEM_DELIM		"\n"
+
+#define SESS_MAX_ATTRIBUTE	64
+
+#define SEMNAME_MAX		14
+
 #define LOGERR	{ \
 			io_Errno = errno; \
 			strlcpy(io_Error, strerror(errno), STRSIZ); \
@@ -69,9 +77,29 @@ struct tagBufIO {
 	void 		(*buf_unmap)();
 };
 
+/*
+union semun {
+	int			val;
+	struct semid_ds		*buf;
+	unsigned short int	*array;
+	struct seminfo		*__buf;
+}; */
+#ifndef HAVE_UNION_SEMUN
+union semun {
+	int		val;		/* value for SETVAL */
+	struct semid_ds	*buf;		/* buffer for IPC_STAT & IPC_SET */
+	unsigned short	*array;		/* array for GETALL & SETALL */
+};
+#endif
 
+typedef struct _tagSessHdr {
+	uint16_t	hdr_magic;
+	uint16_t	hdr_argc;
+} sess_hdr_t;
+
+
 extern int io_Errno;
-extern char io_Error[];
+extern char io_Error[STRSIZ];
 
 inline void io_SetErr(int eno, char *estr, ...);