bool QLockFilePrivate::isApparentlyStale() const
{
qint64 pid;
QString hostname, appname;
if (getLockInfo(&pid, &hostname, &appname)) {
if (hostname.isEmpty() || hostname == QString::fromLocal8Bit(localHostName())) {
if (::kill(pid, 0) == -1 && errno == ESRCH)
return true; // PID doesn't exist anymore
const QString processName = processNameByPid(pid);
if (!processName.isEmpty()) {
QFileInfo fi(appname);
if (fi.isSymLink())
fi.setFile(fi.symLinkTarget());
if (processName != fi.fileName())
return true; // PID got reused by a different application.
}
}
}
const qint64 age = QFileInfo(fileName).lastModified().msecsTo(QDateTime::currentDateTime());
return staleLockTime > 0 && age > staleLockTime;
}
void TestTools::testProcessNameByPid()
{
QCOMPARE(qAppName(), processNameByPid(QCoreApplication::applicationPid()));
}
