build_ww_mutex
if (owner == task && !(build_ww_mutex() && ww_ctx))
if (build_ww_mutex() && ww_ctx) {
if (build_ww_mutex() && ww_ctx) {
if (build_ww_mutex() && w->ww_ctx)
if (build_ww_mutex() && ww_ctx) {
if (build_ww_mutex() && ww_ctx) {
if (!build_ww_mutex())