From 87082ee3e3bd1fe0da598baa2d98e0d42c1a97cb Mon Sep 17 00:00:00 2001
From: "fengyun.rui" <rfyiamcool@163.com>
Date: Fri, 18 Aug 2023 16:39:13 +0800
Subject: [PATCH] fix: data race for isStarted (#65)

---
 quartz/scheduler.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/quartz/scheduler.go b/quartz/scheduler.go
index 74ad747..8a8d6e7 100644
--- a/quartz/scheduler.go
+++ b/quartz/scheduler.go
@@ -174,6 +174,9 @@ func (sched *StdScheduler) Wait(ctx context.Context) {
 
 // IsStarted determines whether the scheduler has been started.
 func (sched *StdScheduler) IsStarted() bool {
+	sched.mtx.Lock()
+	defer sched.mtx.Unlock()
+
 	return sched.started
 }