connect(&m_connectProc, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(verifyConnectionResults(int, QProcess::ExitStatus)));
用
QProcess变量做成员变量时要注意 连接它的槽函数,当析构此成员变量时会执行此函数,会发生上面的错误,所以应该在此类的析构函数里:断开连接!
disconnect(&m_connectProc, SIGNAL(finished(int, QProcess::ExitStatus)), this, SLOT(verifyConnectionResults(int, QProcess::ExitStatus)));