QList<ProcessInfo> runningProcesses()
{
QList<ProcessInfo> processes;
QDir procDir(QLatin1String("/proc"));
const QFileInfoList procCont = procDir.entryInfoList(QDir::Dirs | QDir::NoDotAndDotDot | QDir::Readable);
QRegExp validator(QLatin1String("[0-9]+"));
Q_FOREACH (const QFileInfo &info, procCont) {
if (validator.exactMatch(info.fileName())) {
const QString linkPath = QDir(info.absoluteFilePath()).absoluteFilePath(QLatin1String("exe"));
const QFileInfo linkInfo(linkPath);
if (linkInfo.exists()) {
ProcessInfo processInfo;
processInfo.name = linkInfo.symLinkTarget();
processInfo.id = info.fileName().toInt();
processes.append(processInfo);
}
}
}
return processes;
}
bool Brewtarget::initialize()
{
// Need these for changed(QMetaProperty,QVariant) to be emitted across threads.
qRegisterMetaType<QMetaProperty>();
qRegisterMetaType<Equipment*>();
qRegisterMetaType<Mash*>();
qRegisterMetaType<Style*>();
qRegisterMetaType<Brewtarget::DBTable>();
qRegisterMetaType< QList<BrewNote*> >();
qRegisterMetaType< QList<Hop*> >();
qRegisterMetaType< QList<Instruction*> >();
qRegisterMetaType< QList<Fermentable*> >();
qRegisterMetaType< QList<Misc*> >();
qRegisterMetaType< QList<Yeast*> >();
qRegisterMetaType< QList<Water*> >();
// In Unix, make sure the user isn't running 2 copies.
#if defined(Q_OS_LINUX)
pidFile.setFileName(QString("%1.pid").arg(getUserDataDir()));
if( pidFile.exists() )
{
// Read the pid.
qint64 pid;
pidFile.open(QIODevice::ReadOnly);
{
QTextStream pidStream(&pidFile);
pidStream >> pid;
}
pidFile.close();
// If the pid is in the proc filesystem, another instance is running.
// Have to check /proc, because perhaps the last instance crashed without
// cleaning up after itself.
QDir procDir(QString("/proc/%1").arg(pid));
if( procDir.exists() )
{
std::cerr << "Brewtarget is already running. PID: " << pid << std::endl;
return false;
}
}
