--- libaitio/inc/aitio.h	2013/12/05 16:57:08	1.38.10.6
+++ libaitio/inc/aitio.h	2013/12/05 23:08:59	1.38.10.7
@@ -3,7 +3,7 @@
 *  by Michael Pounov <misho@elwix.org>
 *
 * $Author: misho $
-* $Id: aitio.h,v 1.38.10.6 2013/12/05 16:57:08 misho Exp $
+* $Id: aitio.h,v 1.38.10.7 2013/12/05 23:08:59 misho Exp $
 *
 **************************************************************************
 The ELWIX and AITNET software is distributed under the following
@@ -123,6 +123,7 @@ typedef struct {
 
 	pthread_mutex_t			prog_mtx;
 	array_t				*prog_fds;
+	unsigned int			*prog_used;
 } prog_t;
 
 
@@ -189,6 +190,22 @@ void io_progDestroy(prog_t ** __restrict pprg);
  * return: -1 error or >-1 exited programs
  */
 int io_progCheck(prog_t * __restrict prg);
+
+/*
+ * io_progAttach() - Attach to open program
+ *
+ * @prg = program pool
+ * return: NULL error or !=NULL attached program handle
+ */
+FILE *io_progAttach(prog_t * __restrict prg);
+/*
+ * io_progDetach() - Detch from open program
+ *
+ * @prg= program pool
+ * @pfd = attached program handle
+ * return: none
+ */
+void io_progDetach(prog_t * __restrict prg, FILE *pfd);
 
 
 /*