1 files changed, 47 insertions, 0 deletions
diff --git a/test/testsuite-80.units/fdstore-pin.sh b/test/testsuite-80.units/fdstore-pin.sh
new file mode 100755
index 0000000..4cb041a
--- /dev/null
+++ b/test/testsuite-80.units/fdstore-pin.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env bash
+# SPDX-License-Identifier: LGPL-2.1-or-later
+set -eux
+set -o pipefail
+
+PINNED="$1"
+COUNTER="/tmp/fdstore-invoked.$PINNED"
+FILE="/tmp/fdstore-data.$PINNED"
+
+# This script is called six times: thrice from a service unit where the fdstore
+# is pinned, and thrice where it isn't. The second iteration of each series is
+# a restart, the third a stop followed by a start
+
+if [ -e "$COUNTER" ] ; then
+    read -r N < "$COUNTER"
+else
+    N=0
+fi
+
+echo "Invocation #$N with PINNED=$PINNED."
+
+if [ "$N" -eq 0 ] ; then
+    # First iteration
+    test "${LISTEN_FDS:-0}" -eq 0
+    test ! -e "$FILE"
+    echo waldi > "$FILE"
+    systemd-notify --fd=3 --fdname="fd-$N-$PINNED" 3< "$FILE"
+elif [ "$N" -eq 1 ] || { [ "$N" -eq 2 ] && [ "$PINNED" -eq 1 ]; } ; then
+    # Second iteration, or iteration with pinning on
+    test "${LISTEN_FDS:-0}" -eq 1
+    # We reopen fd #3 here, so that the read offset is at zero each time (hence no <&3 here…)
+    read -r word < /proc/self/fd/3
+    test "$word" = "waldi"
+else
+    test "${LISTEN_FDS:-0}" -eq 0
+    test -e "$FILE"
+fi
+
+if [ "$N" -ge 2 ] ; then
+    rm "$COUNTER" "$FILE"
+else
+    echo $((N + 1)) > "$COUNTER"
+fi
+
+systemd-notify --ready --status="Ready"
+
+exec sleep infinity