- int ret, i, need_more_writes = 1;
- size_t min_written = 0;
-
- while (need_more_writes) {
- need_more_writes = 0;
- FOR_EACH_WRITER_NODE(i, g) {
- size_t w = g->written[i];
- int bytes_to_write;
- struct writer_node *wn = &g->writer_nodes[i];
- if (!i)
- min_written = w;
- else
- min_written = PARA_MIN(min_written, w);
- if (w == *loaded)
- continue;
- if (!g->eof && (*loaded < wn->chunk_bytes + w))
- continue;
- bytes_to_write = PARA_MIN(wn->chunk_bytes,
- *loaded - w);
- ret = wn->writer->write(buf + w, bytes_to_write, wn);
- if (ret < 0)
- goto out;
- if (ret != bytes_to_write)
- PARA_WARNING_LOG("short write: %d/%d\n", ret,
- bytes_to_write);
- g->written[i] += ret;
- need_more_writes = 1;
- }
- }
- *loaded -= min_written;
- ret = 0;
- if (g->eof)
- goto out;
- if (*loaded)
- memmove(buf, buf + min_written, *loaded);
- FOR_EACH_WRITER_NODE(i, g)
- g->written[i] -= min_written;
- ret = 1;
-out:
- return ret;
-}