X-Git-Url: http://git.openwrt.org/?p=project%2Fluci.git;a=blobdiff_plain;f=libs%2Flucid%2Fluasrc%2Flucid.lua;h=4feb159a50a6c662665e77d352fbe315b58b81ff;hp=d743269fe3fbe2c4c0a2e3f7c3a75dcbddc9a15e;hb=45cf10a665c6b7434cd44659426217d80865b3e1;hpb=17e7f67a7c0bbfa26154005a49faf74b3573ff5d

diff --git a/libs/lucid/luasrc/lucid.lua b/libs/lucid/luasrc/lucid.lua
index d743269fe3..4feb159a50 100644
--- a/libs/lucid/luasrc/lucid.lua
+++ b/libs/lucid/luasrc/lucid.lua
@@ -60,6 +60,12 @@ function start()
 	run()
 end
 
+--- Returns the PID of the currently active LuCId process.
+function running()
+	local pid = tonumber(state:get(UCINAME, "main", "pid"))
+	return pid and nixio.kill(pid, 0) and pid
+end
+
 --- Stops any running LuCId superprocess. 
 function stop()
 	local pid = tonumber(state:get(UCINAME, "main", "pid"))