scripts/*.test: in kill -0 PID existence tests, close stderr to silence noise.

Author: douzzer

scripts/benchmark.test

@@ -60,7 +60,7 @@ remove_ready_file() {
 do_cleanup() {
     echo "in cleanup"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1

scripts/crl-revoked.test

@@ -63,7 +63,7 @@ remove_ready_file() {
 abort_trap() {
     echo "script aborted"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1

scripts/openssl.test

@@ -148,7 +148,7 @@ do_cleanup() {
         sname=${f2%:*}
         pid=${f2##*:}
         port=${s##*:}
-        if kill -0 "$pid"
+        if kill -0 "$pid" 2>&-
         then
             # sleep to give sanitizers time to dump backtraces.
             sleep $sleepseconds

scripts/pkcallbacks.test

@@ -54,7 +54,7 @@ remove_ready_file() {
 do_cleanup() {
     echo "in cleanup"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1
@@ -69,7 +69,7 @@ do_cleanup() {
 abort_trap() {
     echo "script aborted"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1

scripts/psk.test

@@ -63,7 +63,7 @@ remove_ready_file() {
 do_cleanup() {
     echo "in cleanup"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1

scripts/resume.test

@@ -44,7 +44,7 @@ remove_ready_file() {
 do_cleanup() {
     echo "in cleanup"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1

scripts/tls13.test

@@ -74,7 +74,7 @@ remove_ready_file() {
 do_cleanup() {
     echo "in cleanup"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1

scripts/trusted_peer.test

@@ -87,7 +87,7 @@ remove_ready_file() {
 do_cleanup() {
     echo "in cleanup"
 
-    if [ $server_pid != $no_pid ] && kill -0 $server_pid
+    if [ $server_pid != $no_pid ] && kill -0 $server_pid 2>&-
     then
         # sleep to give sanitizers time to dump backtraces.
         sleep 1