Unable to terminate QCoreApplication

[yagabey]

I connected the error() signal of socket to my erroroccured() slot:

void Pop3::errorOccured(QAbstractSocket::SocketError error)
{
    d->socket->abort();//critical part
    exit(0);
}

void Pop3::errorOccured(QAbstractSocket::SocketError error)
{
    d->socket->abort();//critical part
    exit(0);
}

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It terminates the application now...