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解决多线程使用自定义Log打印时，因全局资源竞争导致应用闪退问题 #626

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Merged
zhuzichu520 merged 1 commit into from
Mar 5, 2026
Merged

解决多线程使用自定义Log打印时，因全局资源竞争导致应用闪退问题 #626

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4 changes: 4 additions & 0 deletions example/src/helper/Log.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,8 @@
#include <QThread>
#include <QSettings>
#include <QRegularExpression>
#include <QMutexLocker>
#include <QMutex>
#include "Version.h"

#ifdef WIN32
Expand All @@ -32,6 +34,7 @@ static bool g_logError = false;

static std::unique_ptr<QFile> g_logFile = nullptr;
static std::unique_ptr<QTextStream> g_logStream = nullptr;
static QMutex g_logMutex;

static int g_logLevel = 4;

Expand Down Expand Up @@ -151,6 +154,7 @@ static inline void messageHandler(const QtMsgType type, const QMessageLogContext
if (g_logError) {
return;
}
QMutexLocker locker(&g_logMutex);
if (!g_logFile) {
g_logFile = std::make_unique<QFile>(g_file_path);
if (!g_logFile->open(QFile::WriteOnly | QFile::Text | QFile::Append)) {
Expand Down
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