--- libaitio/src/exec.c	2013/12/05 15:18:22	1.1.2.6
+++ libaitio/src/exec.c	2013/12/05 16:57:08	1.1.2.8
@@ -116,7 +116,7 @@ io_progOpen(prog_t * __restrict prg, u_int execNum)
 
 	if (!prg)
 		return 0;
-	if (execNum > prg->prog_maxn) {
+	if (prg->prog_cnum + execNum > prg->prog_maxn) {
 		io_SetErr(EINVAL, "Requested number for program execution is over pool's limit");
 		return 0;
 	}
@@ -145,6 +145,28 @@ io_progOpen(prog_t * __restrict prg, u_int execNum)
 }
 
 /*
+ * io_progGrow() - Execute to number of programs in pool
+ *
+ * @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
+ */
+int
+io_progGrow(prog_t * __restrict prg, u_int toNum)
+{
+	if (!prg)
+		return 0;
+	if (toNum > prg->prog_maxn) {
+		io_SetErr(EINVAL, "Requested number for program execution is over pool's limit");
+		return 0;
+	}
+	if (!toNum)
+		toNum = prg->prog_maxn;
+
+	return io_progOpen(prg, toNum - prg->prog_cnum);
+}
+
+/*
  * io_progVacuum() - Vacuum pool to running number of programs
  *
  * @prg = program pool
@@ -175,6 +197,31 @@ io_progVacuum(prog_t * __restrict prg, u_int toNum)
 			ret++;
 		}
 	pthread_mutex_unlock(&prg->prog_mtx);
+
+	return ret;
+}
+
+/*
+ * io_progCheck() - Check exit status of program pool
+ *
+ * @prg = program pool
+ * return: -1 error or >-1 exited programs
+ */
+int
+io_progCheck(prog_t * __restrict prg)
+{
+	int ret = 0;
+	struct tagPIOPID *p;
+	register int i;
+
+	if (!prg)
+		return -1;
+
+	for (i = 0; i < array_Size(prg->prog_fds); i++)
+		if (array_Get(prg->prog_fds, i) && 
+				(p = pio_pgetpid(array(prg->prog_fds, i, FILE*))))
+			if (waitpid(p->pid, &p->stat, WNOHANG) > 0)
+				ret++;
 
 	return ret;
 }