Method drop

clock-bound/src/shm/reader.rs:41–48

Drop the `FdGuard` and close the file descriptor it holds.

(&mut self)

impl Drop for FdGuard {
    /// Drop the `FdGuard` and close the file descriptor it holds.
    fn drop(&mut self) {
        // SAFETY: Unsafe because this is a call into a C API, but this particular
        // call is always safe.
        unsafe {
            let ret = libc::close(self.0);
            assert!(ret == 0 || errno() == Errno(libc::EINTR));
        }
    }
}

/// A guard tracking an memory mapped file.