From 1c05958c9c7c4d0b7d0b30c91dddae5998ca767d Mon Sep 17 00:00:00 2001
From: P. J. McDermott <pj@pehjota.net>
Date: Tue, 07 Oct 2014 14:03:08 -0400
Subject: mutex_is_unlockable(): New function

---
diff --git a/lib/mutex.sh b/lib/mutex.sh
index 5fd6b70..00333a2 100644
--- a/lib/mutex.sh
+++ b/lib/mutex.sh
@@ -48,3 +48,10 @@ mutex_unlock()
 
 	rm "${mutex}"
 }
+
+mutex_is_unlockable()
+{
+	local mutex="${1}"
+
+	[ "x$(cat "${mutex}" 2>/dev/null)" = "x${$}" ]
+}
--
cgit v0.9.1