--- libaitsess/src/aitsess.c	2008/08/28 13:18:30	1.1.1.1
+++ libaitsess/src/aitsess.c	2010/08/26 00:06:38	1.1.1.1.2.3
@@ -1,3 +1,11 @@
+/*************************************************************************
+* (C) 2008 AITNET ltd - Sofia/Bulgaria - <misho@aitbg.com>
+*  by Michael Pounov <misho@openbsd-bg.org>
+*
+* $Author: misho $
+* $Id: aitsess.c,v 1.1.1.1.2.3 2010/08/26 00:06:38 misho Exp $
+*
+*************************************************************************/
 #include "global.h"
 #include "aitsess.h"
 
@@ -63,7 +71,7 @@ inline int initSession(const int cnID, const char *csF
 	if (!access(csFName, F_OK))
 		ret = 1;
 	// Build new key & new session
-	h = open(csFName, O_WRONLY | O_CREAT, 0640);
+	h = open(csFName, O_WRONLY | O_CREAT, MEM_MODE);
 	if (h == -1) {
 		LOGERR;
 		free(*Sess);
@@ -152,7 +160,7 @@ int map_createSession(const char *csFName, const int c
 		memset(mem, 0, cnSize);
 
 	// create semaphore & add 1
-	(*Sess)->id.sid = sem_open(szSName[0], O_CREAT, 0644);
+	(*Sess)->id.sid = sem_open(szSName[0], O_CREAT, MEM_MODE);
 	if ((*Sess)->id.sid == SEM_FAILED) {
 		LOGERR;
 		map_destroySession(csFName, Sess);
@@ -162,7 +170,7 @@ int map_createSession(const char *csFName, const int c
 		sem_post((*Sess)->id.sid);
 
 	// create file for shared memory storage
-	(*Sess)->mem.fd = open(szSName[1], O_RDWR | O_CREAT, 0644);
+	(*Sess)->mem.fd = open(szSName[1], O_RDWR | O_CREAT, MEM_MODE);
 	if ((*Sess)->mem.fd == -1) {
 		LOGERR;
 		map_destroySession(csFName, Sess);
@@ -252,7 +260,7 @@ int ipc_createSession(const char *csFName, const int c
 	}
 
 	// create semaphore
-	(*Sess)->id.semid = semget((*Sess)->key, 1, 0644 | IPC_CREAT);
+	(*Sess)->id.semid = semget((*Sess)->key, 1, MEM_MODE | IPC_CREAT);
 	if ((*Sess)->id.semid == -1) {
 		LOGERR;
 		ipc_destroySession(csFName, Sess);
@@ -269,7 +277,7 @@ int ipc_createSession(const char *csFName, const int c
 	}
 
 	// create shared memory object
-	(*Sess)->mem.shmid = shmget((*Sess)->key, cnSize, 0644 | IPC_CREAT);
+	(*Sess)->mem.shmid = shmget((*Sess)->key, cnSize, MEM_MODE | IPC_CREAT);
 	if ((*Sess)->mem.shmid == -1) {
 		LOGERR;
 		ipc_destroySession(csFName, Sess);
@@ -387,6 +395,19 @@ inline void ipc_detachSession(tagSess * __restrict s)
 		shmdt(s->addr);
 		s->addr = NULL;
 	}
+}
+
+/*
+ * isAttached() Check for mapped/(attached) shared memory
+ * @s = Session item
+ * return: -1 null session item, 0 not attached, 1 attached memory
+*/
+inline int isAttached(tagSess * __restrict s)
+{
+	if (!s)
+		return -1;
+
+	return (s->addr ? 1 : 0);
 }