DST_METRICS_READ_ONLY
return dst->_metrics & DST_METRICS_READ_ONLY;
if (!(val & DST_METRICS_READ_ONLY))
if (p & DST_METRICS_READ_ONLY)
(read_only ? DST_METRICS_READ_ONLY : 0);
if (prev & DST_METRICS_READ_ONLY)
new = ((unsigned long) &dst_default_metrics) | DST_METRICS_READ_ONLY;