From a27374ac4b9f199a34537e4715d233b02e90ae46 Mon Sep 17 00:00:00 2001
From: jolan78 <spam00fr@yahoo.fr>
Date: Mon, 10 Apr 2017 17:17:51 +0200
Subject: [PATCH] dspam_ : remove lock if previous execution failed

---
 plugins/dspam/dspam_ | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/plugins/dspam/dspam_ b/plugins/dspam/dspam_
index a4b4e882..c16ddfe5 100755
--- a/plugins/dspam/dspam_
+++ b/plugins/dspam/dspam_
@@ -211,7 +211,16 @@ file_is_locked() {
 	local file=$1
 	local lock=$1.lock
 
-	[ -f $lock ] && debug file $file is locked && return 0 # EX_OK
+	if [ -f "$lock" ];then
+		debug file $file is locked
+		local pid=$(cat "$lock")
+		if ps h -p "$pid" -o comm=|grep -q dspam_; then
+			return 0 # EX_OK
+		else
+			debug lock for file $file is no longer valid
+			file_remove_lock $file
+		fi
+	fi
 	debug file $file is not locked
 	return 69 # EX_UNAVAILABLE
 }