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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#include "crashhandler.h"
#include "utils.h"
#include <QApplication>
#include <QCommandLineParser>
#include <QFile>
#include <QProcess>
#include <QString>
#include <QStyle>
#include <QTextStream>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>
static void printErrorAndExit()
{
QTextStream err(stderr);
err << QString::fromLatin1("This crash handler will be called by Qt Creator itself. "
"Do not call this manually.\n");
exit(EXIT_FAILURE);
}
static bool hasProcessOriginFromQtCreatorBuildDir(qint64 pid)
{
const QString executable = QFile::symLinkTarget(QString::fromLatin1("/proc/%1/exe")
.arg(QString::number(pid)));
return executable.contains("qtcreator");
}
// Called by signal handler of crashing application.
int main(int argc, char *argv[])
{
QApplication app(argc, argv);
app.setApplicationName(QLatin1String(APPLICATION_NAME));
app.setWindowIcon(QApplication::style()->standardIcon(QStyle::SP_MessageBoxCritical));
// Parse arguments.
QCommandLineParser parser;
parser.addPositionalArgument("signal-name", QString());
parser.addPositionalArgument("app-name", QString());
const QCommandLineOption disableRestartOption("disable-restart");
parser.addOption(disableRestartOption);
parser.process(app);
// Check usage.
const QStringList positionalArguments = parser.positionalArguments();
if (positionalArguments.size() != 2)
printErrorAndExit();
qint64 parentPid = getppid();
if (!hasProcessOriginFromQtCreatorBuildDir(parentPid))
printErrorAndExit();
// Run.
const QString signalName = parser.positionalArguments().at(0);
const QString appName = parser.positionalArguments().at(1);
CrashHandler::RestartCapability restartCap = CrashHandler::EnableRestart;
if (parser.isSet(disableRestartOption))
restartCap = CrashHandler::DisableRestart;
CrashHandler *crashHandler = new CrashHandler(parentPid, signalName, appName, restartCap);
crashHandler->run();
return app.exec();
}
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