openai/codex · error · anyhow::Error

runner {pipe_label} connect thread exited before reporting i

Error message

runner {pipe_label} connect thread exited before reporting its result

What it means

Error "runner {pipe_label} connect thread exited before reporting its result" thrown in openai/codex.

Source

Thrown at codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs:193

}

fn try_take_completed_connect_result(
    connect_thread: &mut Option<thread::JoinHandle<()>>,
    connect_result_rx: &mpsc::Receiver<Result<()>>,
    thread_handle: HANDLE,
    pipe_label: &str,
) -> Result<Option<Result<()>>> {
    let thread_wait = unsafe { WaitForSingleObject(thread_handle, 0) };
    if thread_wait != WAIT_OBJECT_0 {
        return Ok(None);
    }

    if let Some(connect_thread) = connect_thread.take() {
        let _ = connect_thread.join();
    }

    let result = connect_result_rx.recv().map_err(|_| {
        anyhow::anyhow!("runner {pipe_label} connect thread exited before reporting its result")
    })?;
    Ok(Some(result))
}

fn connect_pipe_with_timeout(
    h_pipe: HANDLE,
    expected_runner_pid: u32,
    pipe_label: &str,
) -> Result<()> {
    let pipe_label = pipe_label.to_string();
    let pipe_label_for_thread = pipe_label.clone();
    let (thread_handle_tx, thread_handle_rx) = mpsc::sync_channel(1);
    let (connect_result_tx, connect_result_rx) = mpsc::sync_channel(1);
    let mut connect_thread = Some(
        thread::Builder::new()
            .name(format!("codex-runner-connect-{pipe_label}"))
            .spawn(move || {
                let current_process = unsafe { GetCurrentProcess() };

View on GitHub (pinned to 339751715c)

When it happens

Trigger: Thrown at codex-rs/windows-sandbox-rs/src/elevated/runner_client.rs:193 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of openai/codex@339751715c (2026-08-25). Data as JSON: /api/errors/2d2ea1f8b6014898. Report an issue: GitHub.