From 784f41c90d959bfc8ef1185d47ee0d2c4070021f Mon Sep 17 00:00:00 2001
From: Gilles Peskine <Gilles.Peskine@arm.com>
Date: Mon, 8 Jan 2018 12:38:15 +0100
Subject: [PATCH] wait_server_start: warn if lsof is not available

If lsof is not available, wait_server_start uses a fixed timeout,
which can trigger a race condition if the timeout turns out to be too
short. Emit a warning so that we know this is going on from the test
logs.
---
 tests/compat.sh  | 1 +
 tests/ssl-opt.sh | 1 +
 2 files changed, 2 insertions(+)

diff --git a/tests/compat.sh b/tests/compat.sh
index 1121e58ba..27d712b4d 100755
--- a/tests/compat.sh
+++ b/tests/compat.sh
@@ -878,6 +878,7 @@ if type lsof >/dev/null 2>/dev/null; then
         done
     }
 else
+    echo "Warning: lsof not available, wait_server_start = sleep"
     wait_server_start() {
         sleep 2
     }
diff --git a/tests/ssl-opt.sh b/tests/ssl-opt.sh
index 226084863..0c4639c24 100755
--- a/tests/ssl-opt.sh
+++ b/tests/ssl-opt.sh
@@ -254,6 +254,7 @@ if type lsof >/dev/null 2>/dev/null; then
         done
     }
 else
+    echo "Warning: lsof not available, wait_server_start = sleep $START_DELAY"
     wait_server_start() {
         sleep "$START_DELAY"
     }