--- libaitio/src/sess.c	2014/02/08 22:06:17	1.5
+++ libaitio/src/sess.c	2016/08/18 09:06:31	1.6
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: sess.c,v 1.5 2014/02/08 22:06:17 misho Exp $
+* $Id: sess.c,v 1.6 2016/08/18 09:06:31 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 - 2014
+Copyright 2004 - 2016
 	by Michael Pounov <misho@elwix.org>.  All rights reserved.
 
 Redistribution and use in source and binary forms, with or without
@@ -215,6 +215,7 @@ map_createSession(int nSeed, long nSize, sess_t * __re
 {
 	char szSName[2][FILENAME_MAX];
 	va_list lst;
+	struct stat st;
 
 	if (!Sess || !*Sess->sess_name)
 		return -1;
@@ -237,13 +238,13 @@ map_createSession(int nSeed, long nSize, sess_t * __re
 	memset(szSName, 0, sizeof szSName);
 	snprintf(szSName[0], SEMNAME_MAX, "/%X.ANS", (u_int) Sess->sess_key);
 #ifdef HAVE_SHM_OPEN
-	snprintf(szSName[1], FILENAME_MAX, "/%s-%x.ANM", Sess->sess_name, (u_int) Sess->sess_key);
+	snprintf(szSName[1], FILENAME_MAX, "/%X.ANM", (u_int) Sess->sess_key);
 #else
 	snprintf(szSName[1], FILENAME_MAX, "%s-%x.ANM", Sess->sess_name, (u_int) Sess->sess_key);
 #endif
 
 	/* create semaphore & add 1 */
-	Sess->sess_id.sid = sem_open(szSName[0], O_CREAT, SESS_MEM_MODE);
+	Sess->sess_id.sid = sem_open(szSName[0], O_CREAT, SESS_MEM_MODE, 0);
 	if (Sess->sess_id.sid == SEM_FAILED) {
 		LOGERR;
 		map_destroySession(Sess);
@@ -264,7 +265,12 @@ map_createSession(int nSeed, long nSize, sess_t * __re
 		map_destroySession(Sess);
 		return -1;
 	}
-	if (!Sess->sess_zcpy) {
+	if (fstat(Sess->sess_mem.fd, &st) == -1) {
+		LOGERR;
+		map_destroySession(Sess);
+		return -1;
+	}
+	if (st.st_size < nSize) {
 /* #ifdef HAVE_SHM_OPEN */
 		if (ftruncate(Sess->sess_mem.fd, nSize) == -1) {
 			LOGERR;