crash-reporter: Fix race between test code and rsyslogd

crash_sender

 #!/bin/sh
 
 # Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 set -e
 
 # Product ID in crash report
 CHROMEOS_PRODUCT=ChromeOS
@@ skipping 50 matching lines @@
 # hours.
 TIMESTAMPS_DIR="/var/lib/crash_sender"
 
 # Temp directory for this process.
 TMP_DIR=""
 
 lecho() {
   logger -t "${TAG}" "$@"
 }
 
+# Returns true if mock is enabled.
+is_mock() {
+  [ -f "${MOCK_CRASH_SENDING}" ] && return 0
+  return 1
+}
+
 cleanup() {
   if [ -n "${TMP_DIR}" ]; then
     rm -rf "${TMP_DIR}"
   fi
   if [ ${CLEAN_UP_RUN_FILE} -eq 1 ]; then
     rm -f "${RUN_FILE}"
   fi
+  if is_mock; then
+    # For testing purposes, emit a message to log so that we
+    # know when the test has received all the messages from this run.
+    lecho "crash_sender done."
+  fi
 }
 
 check_not_already_running() {
   set -o noclobber
   if echo $$ 2>/dev/null > "${RUN_FILE}"; then
     # Able to write RUN_FILE without contention.
     CLEAN_UP_RUN_FILE=1
     set +o noclobber
     return
   fi
@@ skipping 70 matching lines @@
 }
 
 get_key_value() {
   if ! grep -q "$2=" "$1"; then
     echo "undefined"
     return
   fi
   grep "$2=" "$1" | cut -d = -f 2-
 }
 
-# Returns true if mock is enabled.
-is_mock() {
-  [ -f "${MOCK_CRASH_SENDING}" ] && return 0
-  return 1
-}
-
 # Return the board name.
 get_board() {
   echo $(get_key_value "/etc/lsb-release" "CHROMEOS_RELEASE_BOARD")
 }
 
 # Return the hardware class or "unknown".
 get_hardware_class() {
   if [ -r "${HWCLASS_PATH}" ]; then
     cat "${HWCLASS_PATH}"
   else
@@ skipping 184 matching lines @@
   TMP_DIR="$(mktemp -d /tmp/crash_sender.XXXX)"
 
   # Send system-wide crashes
   send_crashes "/var/spool/crash"
 
   # Send user-specific crashes
   send_crashes "/home/chronos/user/crash"
 }
 
 main