Reboot And other system calls

[muraleo at gmail.com]

How can a application perform system reboot programmatically ? Is this operations only possible from a framework or an app can also do this?

Performing system("reboot") from a framework code fails with operation not permitted error code. 

Also, I need to install  snaps programmatically . Is this possible . Should the calling snap needs to have any special privileges or if we can add these as  some form of meta info in yaml files