Function nc::setpgid

pub fn setpgid(pid: pid_t, pgid: pid_t) -> Result<(), Errno>

Set the process group ID (PGID) of the process specified by pid to pgid.

let ret = nc::setpgid(nc::getpid(), 1);
assert!(ret.is_err());
assert_eq!(ret, Err(nc::EPERM));