From 77ea72fb991837a9d85cec6ff8451067b32a6aad Mon Sep 17 00:00:00 2001
From: Patrick McDermott <patrick.mcdermott@libiquity.com>
Date: Thu, 25 Apr 2019 21:03:39 -0400
Subject: src/mutex.sh: Shift function arguments

---
diff --git a/src/mutex.sh b/src/mutex.sh
index dc23070..ec51a2b 100644
--- a/src/mutex.sh
+++ b/src/mutex.sh
@@ -21,6 +21,7 @@
 _mutex_trylock()
 {
 	local mutex="${1}"
+	shift 1
 
 	(set -C; printf '%d\n' "${$}" >"${mutex}") 2>/dev/null || return ${?}
 	return 0
@@ -30,6 +31,7 @@ mutex_timedlock()
 {
 	local mutex="${1}"
 	local timeout="${2}"
+	shift 2
 
 	while ! _mutex_trylock "${mutex}"; do
 		[ ${timeout} -eq 0 ] && return 1
@@ -43,6 +45,7 @@ mutex_timedlock()
 mutex_unlock()
 {
 	local mutex="${1}"
+	shift 1
 
 	rm -f -- "${mutex}"
 }
@@ -50,6 +53,7 @@ mutex_unlock()
 mutex_is_unlockable()
 {
 	local mutex="${1}"
+	shift 1
 
 	[ "x$(cat -- "${mutex}" 2>/dev/null)" = "x${$}" ] || return ${?}
 	return 0
--
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