How to restart Linux from inside a C++ program?

Question

I have a Qt 4 GUI where I need to have a option in a drop-down menu that allows the user to choose to restart the computer. I realize this might seem redunant with the ability t

Answer 1

Have you tried running a shell script, using gksudo? Something like

gksudo shutdown -r

With any luck, that should pull up a modal dialogue to get user credentials.