INNER CODE UNIT · Rust

open_kmsg_at_end

KernelSU-Next/KernelSU-Next · userspace/ksuinit/src/lib.rs:88

fn open_kmsg_at_end() -> Result<File> {
    let mut last_error = None;

    for path in ["/dev/kmsg", "/kmsg"] {
        match OpenOptions::new()
            .read(true)
            .custom_flags(O_NONBLOCK)
            .open(path)
        {
            Ok(mut file) => {
                file.seek(SeekFrom::End(0))
                    .with_context(|| format!("Cannot seek {path} to end"))?;

                log::info!("Reading kernel log from {path}");
                return Ok(file);
            }
            Err(error) => {
                last_error = Some((path, error));

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