--- libaitio/src/exec.c	2013/12/12 21:17:53	1.1.2.18
+++ libaitio/src/exec.c	2013/12/12 21:59:01	1.1.2.19
@@ -254,6 +254,7 @@ io_progOpen(prog_t * __restrict prg, u_int execNum)
 	pthread_mutex_lock(&prg->prog_mtx);
 	for (i = 0; (execNum ? ret < execNum : 42) && i < array_Size(prg->prog_fds); i++)
 		if (!array_Get(prg->prog_fds, i)) {
+			printf("%d) %s!!! %d ret=%d\n", i, __func__, execNum, ret);
 			f = e_popen(prg->prog_name, "r+", &pid);
 #ifdef POPEN_STREAM
 			if (!f) {
@@ -302,7 +303,7 @@ io_progGrow(prog_t * __restrict prg, u_int toNum)
 	if (toNum < prg->prog_inin)
 		toNum = prg->prog_inin;
 
-	if ((toNum - prg->prog_cnum) < 1)
+	if ((int) (toNum - prg->prog_cnum) < 1)
 		return 0;
 
 	return io_progOpen(prg, toNum - prg->prog_cnum);
@@ -397,7 +398,7 @@ io_progCheck(prog_t * __restrict prg, int re)
 	pthread_mutex_unlock(&prg->prog_mtx);
 
 	/* resurrect to init number */
-	if (re && prg->prog_inin - prg->prog_cnum)
+	if (re && ((int) (prg->prog_inin - prg->prog_cnum) > 0))
 		io_progOpen(prg, prg->prog_inin - prg->prog_cnum);
 
 	return ret;
@@ -444,7 +445,7 @@ io_progAttach(prog_t * __restrict prg, int newOne)
 		}
 	pthread_mutex_unlock(&prg->prog_mtx);
 
-	/* not found free prog */
+	/* not found free program */
 	if (!f && (i = io_progOpen2(prg)) > 0) {
 #ifdef POPEN_STREAM
 		f = array(prg->prog_fds, i, FILE*);