QtUnixSignalEmitter

Based on Calling Qt Functions From Unix Signal Handlers

Public interface:

class QtUnixSignalEmitter : public QObject
{
public:
    static QtUnixSignalEmitter * instance();

    bool registerSignal(int sig, QString * pErrorMsg = 0);

signals:
    void sigSignal(int sig);
    void sigInt();
    void sigTerm();
    void sigHup();
};