Method open

src/monitor.rs:182–190

Open the global monitor mmap for reading.

()

impl MmapReader {
    /// Open the global monitor mmap for reading.
    pub fn open() -> std::io::Result<Self> {
        let dir = global_tracedecay_dir().ok_or_else(|| {
            std::io::Error::new(
                std::io::ErrorKind::NotFound,
                "cannot resolve home directory",
            )
        })?;
        Self::open_at(&dir)
    }

    /// Open a monitor mmap at an explicit directory (for testing).
    pub fn open_at(dir: &Path) -> std::io::Result<Self> {