fn lock_file()

in src/api/sync.rs [86:103]

• 17 lines of code
• 4 McCabe index (conditional complexity)

fn lock_file(mut path: PathBuf) -> Result<Handle, ApiError> {
    path.set_extension("lock");

    let file = std::fs::File::create(path.clone())?;
    let mut res = lock(&file);
    for _ in 0..5 {
        if res == 0 {
            break;
        }
        std::thread::sleep(std::time::Duration::from_secs(1));
        res = lock(&file);
    }
    if res != 0 {
        Err(ApiError::LockAcquisition(path))
    } else {
        Ok(Handle { file })
    }
}