Make s_logMaxFileSizeReached atomic

src/util/logging.cpp

@@ -12,6 +12,7 @@
 #include <QString>
 #include <QTextStream>
 #include <QThread>
+#include <atomic>
 #include <string_view>
 
 #include "util/assert.h"
@@ -29,7 +30,7 @@ QMutex s_mutexStdErr;
 // The file handle for Mixxx's log file.
 QFile s_logfile;
 qint64 s_logMaxFileSize = mixxx::kLogMaxFileSizeDefault;
-bool s_logMaxFileSizeReached = false;
+std::atomic<bool> s_logMaxFileSizeReached = false;
 
 QLoggingCategory::CategoryFilter oldCategoryFilter = nullptr;
 
@@ -151,7 +152,7 @@ inline void writeToFile(
         const QString& message,
         const QString& threadName,
         bool flush) {
-    if (s_logMaxFileSizeReached) {
+    if (s_logMaxFileSizeReached.load(std::memory_order_relaxed)) {
         return;
     }
 
@@ -168,7 +169,7 @@ inline void writeToFile(
             formattedMessage =
                     "Maximum log file size reached. It can be adjusted via: "
                     "--log-max-file-size <bytes>";
-            s_logMaxFileSizeReached = true;
+            s_logMaxFileSizeReached.store(true, std::memory_order_relaxed);
             flush = true;
         }
         const int written = s_logfile.write(formattedMessage);