Method new

clock-bound/src/shm/reader.rs:28–36

Create a new `FdGuard`. Open a file at `path` and store the open file descriptor

(path: &CStr)

    ///
    /// Open a file at `path` and store the open file descriptor
    fn new(path: &CStr) -> Result<Self, ShmError> {
        // SAFETY: `path` is a valid C string.
        let fd = unsafe { libc::open(path.as_ptr(), libc::O_RDONLY) };
        if fd < 0 {
            return syserror!(format!("Faild to open file at {:?}", path));
        }

        Ok(FdGuard(fd))
    }
}

impl Drop for FdGuard {