From 1439c316d348ac43d084e88d414e5899ecdfe9dd Mon Sep 17 00:00:00 2001
From: Seebs <seebs@molecula.com>
Date: Fri, 17 Dec 2021 22:25:01 -0600
Subject: [PATCH] read-only lock for check of shutdown

---
 executor.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/executor.go b/executor.go
index 69bdbf15d..45d5169c5 100644
--- a/executor.go
+++ b/executor.go
@@ -146,8 +146,8 @@ func newExecutor(opts ...executorOption) *executor {
 		for running {
 			<-periodic.C
 			func() {
-				e.workMu.Lock()
-				defer e.workMu.Unlock()
+				e.workMu.RLock()
+				defer e.workMu.RUnlock()
 				if e.shutdown {
 					running = false
 					return