arcbox-computer-runtime 0.8.2

Sandbox orchestration over nested microVMs behind the arcbox-vm-driver port: boot, exec, files, checkpoints, warm pools. The in-sandbox init is arcbox-vm-agent; the wire vocabulary is arcbox-vm-proto.
Documentation 
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//! Helpers shared by the `integration` test binary.

/// Returns true if the process is running with effective UID 0 (root).
#[cfg(target_os = "linux")]
pub fn is_root() -> bool {
    // /proc/self/status Uid line: real  effective  saved  filesystem
    std::fs::read_to_string("/proc/self/status")
        .map(|s| {
            s.lines()
                .find(|l| l.starts_with("Uid:"))
                .and_then(|l| l.split_whitespace().nth(2))
                .map(|uid| uid == "0")
                .unwrap_or(false)
        })
        .unwrap_or(false)
}