diff --git a/functions.php b/functions.php
index 55e785488..f813b6baa 100644
--- a/functions.php
+++ b/functions.php
@@ -928,6 +928,22 @@
}
}
+ function file_is_locked($filename) {
+ error_reporting(0);
+ $fp = fopen($filename, "r");
+ error_reporting(DEFAULT_ERROR_LEVEL);
+ if ($fp) {
+ if (flock($fp, LOCK_EX | LOCK_NB)) {
+ flock($fp, LOCK_UN);
+ fclose($fp);
+ return false;
+ }
+ fclose($fp);
+ return true;
+ }
+ return false;
+ }
+
function make_lockfile($filename) {
$fp = fopen($filename, "w");
diff --git a/tt-rss.php b/tt-rss.php
index 1245be274..37eed61ab 100644
--- a/tt-rss.php
+++ b/tt-rss.php
@@ -50,6 +50,14 @@
+
+
+ Warning: Update daemon is enabled in configuration, but daemon
+ process is not running, which prevents all feeds from updating. Please
+ start the daemon process or contact instance owner.
+
+
+