From fe1d234025f356f46b0e8b85de8b96193c0e95b5 Mon Sep 17 00:00:00 2001
From: Christian Hesse <mail@eworm.de>
Date: Thu, 21 Feb 2019 18:35:08 +0100
Subject: global-functions: add $ScriptLock

---
 global-functions | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'global-functions')

diff --git a/global-functions b/global-functions
index b22a295..533e588 100644
--- a/global-functions
+++ b/global-functions
@@ -187,3 +187,13 @@
 
   :return true;
 }
+
+# lock script against multiple invocation
+:global ScriptLock do={
+  :local Script [ :tostr $1 ];
+
+  :if ([ / system script job print count-only where script=$Script ] > 1) do={
+    :log debug ("Script " . $Script . " started more than once... Aborting.");
+    :error "Locked."
+  }
+}
-- 
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