--- libaitio/src/exec.c	2013/12/08 20:57:32	1.1.2.15
+++ libaitio/src/exec.c	2013/12/12 09:04:22	1.1.2.17
@@ -231,7 +231,8 @@ io_progOpen(prog_t * __restrict prg, u_int execNum)
  *
  * @prg = program pool
  * @toNum = execute to number of programs (0 max)
- * return: 0 error, >0 executed programs and abs(<0) executed programs with logged error
+ * return: 0 error or nothing to do, 
+ * 	>0 executed programs and abs(<0) executed programs with logged error
  */
 int
 io_progGrow(prog_t * __restrict prg, u_int toNum)
@@ -244,7 +245,12 @@ io_progGrow(prog_t * __restrict prg, u_int toNum)
 	}
 	if (!toNum)
 		toNum = prg->prog_maxn;
+	if (toNum < prg->prog_inin)
+		toNum = prg->prog_inin;
 
+	if ((toNum - prg->prog_cnum) < 1)
+		return 0;
+
 	return io_progOpen(prg, toNum - prg->prog_cnum);
 }
 
@@ -337,8 +343,8 @@ io_progCheck(prog_t * __restrict prg, int re)
 	pthread_mutex_unlock(&prg->prog_mtx);
 
 	/* resurrect */
-	if (re && ret > 0)
-		io_progOpen(prg, ret);
+	if (re && ret > 0 && prg->prog_inin - prg->prog_cnum)
+		io_progOpen(prg, prg->prog_inin - prg->prog_cnum);
 
 	return ret;
 }
@@ -347,6 +353,7 @@ io_progCheck(prog_t * __restrict prg, int re)
  * io_progAttach() - Attach to open program
  *
  * @prg = program pool
+ * @newOne = Execute new one program after attach
  * return: NULL error or !=NULL attached program handle
  */
 #ifdef POPEN_STREAM
@@ -354,7 +361,7 @@ FILE *
 #else
 int
 #endif
-io_progAttach(prog_t * __restrict prg)
+io_progAttach(prog_t * __restrict prg, int newOne)
 {
 #ifdef POPEN_STREAM
 	FILE *f = NULL;
@@ -382,6 +389,10 @@ io_progAttach(prog_t * __restrict prg)
 			break;
 		}
 	pthread_mutex_unlock(&prg->prog_mtx);
+
+	/* execute new one program */
+	if (newOne && f)
+		io_progOpen(prg, 1);
 
 	return f;
 }