Initial commit

quarterdeck/.gitignore

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+/target

quarterdeck/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "quarterdeck"
+version = "0.1.0"

quarterdeck/Cargo.toml

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+[package]
+name = "quarterdeck"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+eyre.workspace = true
+rustix = { version = "0.38.37", features = ["process", "thread"] }
+tracing = "0.1.40"
+tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }

quarterdeck/README.md

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+# quarterdeck
+
+The init system, PID 1.

quarterdeck/src/main.rs

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+use eyre::Result;
+use tracing::{error, info, warn};
+
+fn main() {
+    tracing_subscriber::fmt().init();
+    info!("Booting up system");
+
+    if let Err(err) = run() {
+        error!(?err, "Failed to boot system");
+    }
+
+    // uh.. i dont think we should exit?
+}
+
+fn run() -> Result<()> {
+    if let Err(err) = rustix::thread::set_no_new_privs(true) {
+        warn!(?err, "Failed to set PR_SET_NO_NEW_PRIVS");
+    }
+
+    std::process::Command::new("/bin/cog")
+        .env("PATH", "/bin")
+        .spawn()?
+        .wait()?;
+
+    loop {}
+}