ASYNC_OUT_FLW_RESUME
if (async->async_flags & ASYNC_OUT_FLW_RESUME) {
async->async_flags &= ~ASYNC_OUT_FLW_RESUME;
async->async_flags &= ~ASYNC_OUT_FLW_RESUME;
async->async_flags |= ASYNC_OUT_FLW_RESUME;
async->async_flags &= ~ASYNC_OUT_FLW_RESUME;
async->async_flags |= ASYNC_OUT_FLW_RESUME;
async->async_flags &= ~ASYNC_OUT_FLW_RESUME;
async->async_flags |= ASYNC_OUT_FLW_RESUME;
if (async->async_flags & ASYNC_OUT_FLW_RESUME) {
async->async_flags &= ~ASYNC_OUT_FLW_RESUME;