Method munmap

value.go:203–216

()

}

func (lf *logFile) munmap() (err error) {
	if lf.loadingMode != options.MemoryMap || len(lf.fmap) == 0 {
		// Nothing to do
		return nil
	}

	if err := y.Munmap(lf.fmap); err != nil {
		return errors.Wrapf(err, "Unable to munmap value log: %q", lf.path)
	}
	// This is important. We should set the map to nil because ummap
	// system call doesn't change the length or capacity of the fmap slice.
	lf.fmap = nil
	return nil
}

// Acquire lock on mmap/file if you are calling this
func (lf *logFile) read(p valuePointer, s *y.Slice) (buf []byte, err error) {