Method _read_slot_pointer

salt/utils/mmap_cache.py:955–963

Return (heap_offset, length, mtime_ns) from a data slot.

(self, offset)

        return raw[:null_pos] if null_pos != -1 else raw

    def _read_slot_pointer(self, offset):
        """Return (heap_offset, length, mtime_ns) from a data slot."""
        base = offset + self._offset_off
        heap_offset = struct.unpack_from(_OFFSET_FMT, self._mm, base)[0]
        length = struct.unpack_from(_LENGTH_FMT, self._mm, base + _OFFSET_SIZE)[0]
        mtime_ns = struct.unpack_from(
            _MTIME_FMT, self._mm, base + _OFFSET_SIZE + _LENGTH_SIZE
        )[0]
        return heap_offset, length, mtime_ns

    def _write_slot(self, offset, key_bytes, heap_offset, length, mtime_ns):
        """Write key + pointer fields into a data slot (does NOT set STATUS)."""