--- libaitsess/src/aitsess.c	2012/02/10 23:38:30	1.4
+++ libaitsess/src/aitsess.c	2012/02/28 13:00:24	1.5
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsess.c,v 1.4 2012/02/10 23:38:30 misho Exp $
+* $Id: aitsess.c,v 1.5 2012/02/28 13:00:24 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -274,7 +274,11 @@ map_createSession(int nSeed, long nSize, ait_sess_t * 
 	/* build semaphore & shared memory name */
 	memset(szSName, 0, sizeof szSName);
 	snprintf(szSName[0], MAX_SEMNAME, "/%X.ANS", (u_int) Sess->key);
+#ifdef HAVE_SHM_OPEN
+	snprintf(szSName[1], FILENAME_MAX, "/%s-%x.ANM", Sess->name, (u_int) Sess->key);
+#else
 	snprintf(szSName[1], FILENAME_MAX, "%s-%x.ANM", Sess->name, (u_int) Sess->key);
+#endif
 
 	/* create semaphore & add 1 */
 	Sess->id.sid = sem_open(szSName[0], O_CREAT, MEM_MODE);
@@ -288,14 +292,25 @@ map_createSession(int nSeed, long nSize, ait_sess_t * 
 		sem_post(Sess->id.sid);
 
 	/* create file for shared memory storage */
+#ifdef HAVE_SHM_OPEN
+	Sess->mem.fd = shm_open(szSName[1], O_RDWR | O_CREAT, MEM_MODE);
+#else
 	Sess->mem.fd = open(szSName[1], O_RDWR | O_CREAT, MEM_MODE);
+#endif
 	if (Sess->mem.fd == -1) {
 		LOGERR;
 		map_destroySession(Sess);
 		return -1;
 	}
-	/* if is new shared memory session, fill file with zeros */
 	if (!Sess->zcpy) {
+#ifdef HAVE_SHM_OPEN
+		if (ftruncate(Sess->mem.fd, nSize) == -1) {
+			LOGERR;
+			map_destroySession(Sess);
+			return -1;
+		}
+#else
+	/* if is new shared memory session, fill file with zeros */
 		if (lseek(Sess->mem.fd, nSize - 1, SEEK_SET) == -1) {
 			LOGERR;
 			map_destroySession(Sess);
@@ -303,6 +318,7 @@ map_createSession(int nSeed, long nSize, ait_sess_t * 
 		} else
 			write(Sess->mem.fd, "", 1);
 		lseek(Sess->mem.fd, 0, SEEK_SET);
+#endif
 	}
 	Sess->eom = nSize;
 
@@ -325,7 +341,11 @@ map_destroySession(ait_sess_t * __restrict Sess)
 
 	memset(szSName, 0, sizeof szSName);
 	snprintf(szSName[0], MAX_SEMNAME, "/%X.ANS", (u_int) Sess->key);
+#ifdef HAVE_SHM_UNLINK
+	snprintf(szSName[1], FILENAME_MAX, "/%s-%x.ANM", Sess->name, (u_int) Sess->key);
+#else
 	snprintf(szSName[1], FILENAME_MAX, "%s-%x.ANM", Sess->name, (u_int) Sess->key);
+#endif
 
 	if (Sess->id.sid != SEM_FAILED) {
 		sem_close(Sess->id.sid);
@@ -333,7 +353,11 @@ map_destroySession(ait_sess_t * __restrict Sess)
 	}
 	if (Sess->mem.fd > 2) {
 		close(Sess->mem.fd);
+#ifdef HAVE_SHM_UNLINK
+		shm_unlink(szSName[1]);
+#else
 		unlink(szSName[1]);
+#endif
 	}
 	unlink(Sess->name);
 	memset(Sess->name, 0, sizeof Sess->name);