From 8b9b1bf90a686d7afb1ea7d00aeb1a80742d2b98 Mon Sep 17 00:00:00 2001
From: m0dB <m0dB@mixxx.org>
Date: Sun, 10 Nov 2024 13:12:14 +0100
Subject: [PATCH] use atomics to fix tsan detected race condition in
 vsyncthread PLL

---
 src/waveform/vsyncthread.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/waveform/vsyncthread.h b/src/waveform/vsyncthread.h
index 48ded9f5f08..fb30e71ee4d 100644
--- a/src/waveform/vsyncthread.h
+++ b/src/waveform/vsyncthread.h
@@ -71,8 +71,8 @@ class VSyncThread : public QThread {
     // phase locked loop
     std::mutex m_pllMutex;
     PerformanceTimer m_pllTimer;
-    int m_pllInitCnt;
-    bool m_pllPendingUpdate;
+    std::atomic<int> m_pllInitCnt;
+    std::atomic<bool> m_pllPendingUpdate;
     double m_pllInitSum;
     double m_pllInitAvg;
     double m_pllPhaseOut;