// Determine UNIX processes by reading "/proc". Default to ps if
// it does not exist
static QList<ProcData> unixProcessList()
{
const QDir procDir(QLatin1String("/proc/"));
if (!procDir.exists())
return unixProcessListPS();
QList<ProcData> rc;
const QStringList procIds = procDir.entryList();
if (procIds.isEmpty())
return rc;
foreach (const QString &procId, procIds) {
if (!isUnixProcessId(procId))
continue;
QString filename = QLatin1String("/proc/");
filename += procId;
filename += QLatin1String("/stat");
QFile file(filename);
if (!file.open(QIODevice::ReadOnly))
continue; // process may have exited
const QStringList data = QString::fromLocal8Bit(file.readAll()).split(' ');
ProcData proc;
proc.ppid = procId;
proc.name = data.at(1);
if (proc.name.startsWith(QLatin1Char('(')) && proc.name.endsWith(QLatin1Char(')'))) {
proc.name.truncate(proc.name.size() - 1);
proc.name.remove(0, 1);
}
proc.state = data.at(2);
// PPID is element 3
rc.push_back(proc);
}
return rc;
}
// Determine UNIX processes by reading "/proc". Default to ps if
// it does not exist
ProcDataList processList(const ProcDataList& previous)
{
const QDir procDir(QLatin1String("/proc/"));
if (!procDir.exists())
return unixProcessListPS(previous);
ProcDataList rc;
const QStringList procIds = procDir.entryList();
if (procIds.isEmpty())
return rc;
foreach (const QString &procId, procIds) {
if (!isUnixProcessId(procId))
continue;
QString filename = QLatin1String("/proc/");
filename += procId;
filename += QLatin1String("/stat");
QFile file(filename);
if (!file.open(QIODevice::ReadOnly))
continue; // process may have exited
const QStringList data = QString::fromLocal8Bit(file.readAll()).split(' ');
ProcData proc;
proc.ppid = procId;
proc.name = data.at(1);
if (proc.name.startsWith(QLatin1Char('(')) && proc.name.endsWith(QLatin1Char(')'))) {
proc.name.truncate(proc.name.size() - 1);
proc.name.remove(0, 1);
}
proc.state = data.at(2);
// PPID is element 3
proc.user = QFileInfo(file).owner();
file.close();
QFile cmdFile(QLatin1String("/proc/") + procId + QLatin1String("/cmdline"));
if(cmdFile.open(QFile::ReadOnly)) {
QByteArray cmd = cmdFile.readAll();
cmd.replace('\0', ' ');
if ( !cmd.isEmpty() )
proc.name = QString::fromLocal8Bit(cmd);
}
cmdFile.close();
QFile maps(QLatin1String("/proc/") + procId + QLatin1String("/maps"));
if (!maps.open(QIODevice::ReadOnly))
continue; // process may have exited
proc.type = ProcData::NoQtApp;
forever {
const QByteArray line = maps.readLine();
if (line.isEmpty()) {
break;
}
if (line.contains(QByteArray("/libQtCore.so"))) {
proc.type = ProcData::QtApp;
break;
}
}
rc.push_back(proc);
}
return rc;
}
