--- libaitsess/inc/aitsess.h	2011/09/07 13:11:55	1.3
+++ libaitsess/inc/aitsess.h	2011/09/07 16:08:41	1.3.2.2
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@openbsd-bg.org>
 *
 * $Author: misho $
-* $Id: aitsess.h,v 1.3 2011/09/07 13:11:55 misho Exp $
+* $Id: aitsess.h,v 1.3.2.2 2011/09/07 16:08:41 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -50,6 +50,7 @@ SUCH DAMAGE.
 #include <assert.h>
 #include <semaphore.h>
 #include <sys/types.h>
+#include <aitio.h>
 
 #define SHARED_UNKNOWN	0
 #define SHARED_IPC	1
@@ -62,13 +63,14 @@ SUCH DAMAGE.
 #define ISNEW(x)	(((x) & IS_ADD) == IS_ADD)
 #define ISDEF(x)	(((x) & IS_DEF) == IS_DEF)
 
-#define MAX_ATTRIBUTE	63
+#define MAX_ATTRIBUTE	64
 #define MAX_SEMNAME	14
 
 
 typedef struct _tagSess {
 	key_t	key;
 	u_char	type;
+	u_char	zcopy;
 	off_t	eom;
 	void	*addr;
 	off_t	offset;
@@ -88,6 +90,8 @@ typedef struct _tagSess {
 inline int sess_GetErrno();
 // sess_GetError() Get error text of last operation
 inline const char *sess_GetError();
+// sess_SetErr() Set error to variables for internal use!!!
+inline void sess_SetErr(int eno, char *estr, ...);
 // -------------------------------------------------------
 
 
@@ -351,6 +355,29 @@ int sess_DelValue(tagSess * __restrict s, const char *
  	>0 set position, if add item merged with IS_ADD and if define item merged with IS_DEF
 */
 int sess_SetValue(tagSess * __restrict s, const char *csAttr, const char *psVal);
+
+/*
+ * sess_prepareSession() Attach to shared memory and de-marshaling data
+ * @s = Session
+ * @useDirect = Use direct shared memory if !=0 or snapshot of data to array
+ * return: NULL error or no data, !=NULL array with variables, 
+ *		after use must free resources with sess_doneSession()
+ */
+array_t *sess_prepareSession(tagSess * __restrict s, unsigned char useDirect);
+/*
+ * sess_doneSession() Free resources allocated with sess_prepareSession()
+ * @s = Session
+ * @arr = Array with variables for free
+ * return: none
+ */
+void sess_doneSession(tagSess * __restrict s, array_t ** __restrict arr);
+/*
+ * sess_commitSession() Commit data to shared memory
+ * @s = Session
+ * @arr = Array with variables for save
+ * return -1 error or !=-1 size of stored variables into shared memory
+ */
+int sess_commitSession(tagSess * __restrict s, array_t * __restrict arr);
 
 
 #endif