QProcess : child process listening parent output ?

[Nyphel]

QTcpSocket *socket_r;
    socket_r = new QTcpSocket();
 
        //socket_r->connectToHost("marathon", 143);
 
        //socket_r->disconnectFromHost();
        //socket_r->close();
 
    socket_r->deleteLater();

QTcpSocket *socket_r;
    socket_r = new QTcpSocket();
    
        //socket_r->connectToHost("marathon", 143);
    
        //socket_r->disconnectFromHost();
        //socket_r->close();

    socket_r->deleteLater();

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Here : all the memory has been freed

QTcpSocket *socket_r;
    socket_r = new QTcpSocket();
 
        socket_r->connectToHost("marathon", 143); // Takes 1 000 ko
 
        socket_r->disconnectFromHost();
        socket_r->close();
 
    socket_r->deleteLater();

QTcpSocket *socket_r;
    socket_r = new QTcpSocket();
    
        socket_r->connectToHost("marathon", 143); // Takes 1 000 ko
    
        socket_r->disconnectFromHost();
        socket_r->close();

    socket_r->deleteLater();

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Here : 1 000 KO memory has not been freed