66 lines
2.7 KiB
C++
66 lines
2.7 KiB
C++
/*
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* 只使用GCC编译时，则使用 -g -rdynamic选项
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* CMake项目需分别使用add_compile_options(-g) add_link_options(-rdynamic)
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* 否则获取调用栈时不能得到函数名
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* 该配置仅支持GCC+Linux平台
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*/
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#include <execinfo.h>
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QString WriteStackTrace(const QString &aStackTrace)
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{
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QString path = QDir::homePath() + "/.local/share/spark-store/crash/";
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QFile StackTraceFile;
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if(!QDir().exists(path))
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if(!QDir().mkpath(path))
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return QObject::tr("Stack trace directory %1 cannot be created. "
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"Stack trace wasn't saved.").arg(path);
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path += QString::number(QDateTime::currentDateTimeUtc().toSecsSinceEpoch());
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while(QFile::exists(path))
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path += "_";
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StackTraceFile.setFileName(path);
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StackTraceFile.open(QIODevice::WriteOnly);
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if(StackTraceFile.isOpen() && StackTraceFile.isWritable())
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{
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QTextStream StackTraceWriter;
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StackTraceWriter.setDevice(&StackTraceFile);
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StackTraceWriter << QDateTime::currentDateTime().toLocalTime().toString() << "\n\n";
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StackTraceWriter << aStackTrace;
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StackTraceFile.close();
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return QObject::tr("Stack trace written to \"%1\".").arg(path);
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}
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return QObject::tr("Stack trace file %1 cannot be opened. "
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"Stack trace wasn't saved.").arg(path);
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}
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void CrashSignalHandler(int sig)
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{
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QString msg("Program has received signal %1 during normal execution.\n\n");
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switch(sig)
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{
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case SIGSEGV:
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msg = msg.arg(QObject::tr("\"SIGSEGV\" (Segmentation fault)"));
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goto CRASH;
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case SIGFPE:
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msg = msg.arg(QObject::tr("\"SIGFPE\" (Arithmetic exception)"));
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goto CRASH;
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case SIGABRT:
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msg = msg.arg(QObject::tr("\"SIGABRT\" (Abort)"));
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CRASH:
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{
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void* TraceStack[StackTraceArraySize];
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int StackTraceSize = backtrace(TraceStack, StackTraceArraySize);
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auto TraceTextArray = backtrace_symbols(TraceStack, StackTraceArraySize);
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msg += QString(QObject::tr("Stack trace:\n"));
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for(int i = 0; i < StackTraceSize; i++)
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msg += QString::number(i) + "> " + QString(TraceTextArray[i]) + '\n';
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msg += "\n\nSpark Store cannot continue.\n\n";
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msg += WriteStackTrace(msg);
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QMessageBox::critical(nullptr, QObject::tr("Spark Store Crashed"),
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msg);
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exit(2);
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}
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default:
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SpkLog::Error(QObject::tr("Unknown signal %1 received in crash handler. "
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"Program internals may be corrupted. Please decide if you want "
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"to continue execution.").arg(sig), true);
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} |