-int wng_open(struct writer_node_group *g)
-{
- int i, ret = 1;
-
- FOR_EACH_WRITER_NODE(i, g) {
- struct writer_node *wn = &g->writer_nodes[i];
- ret = wn->writer->open(wn);
- if (ret < 0)
- goto out;
- wn->chunk_bytes = ret;
- g->max_chunk_bytes = PARA_MAX(g->max_chunk_bytes, ret);
- wn->wng = g;
- PARA_DEBUG_LOG("pre_select: %p\n", &wn->writer->pre_select);
- PARA_DEBUG_LOG("post_select: %p\n", &wn->writer->post_select);
- wn->task.pre_select = wn->writer->pre_select;
- wn->task.post_select = wn->writer->post_select;
- wn->task.private_data = wn;
- wn->task.flags = POST_EOF_IS_ERROR;
- register_task(&wn->task);
- }
- register_task(&g->task);
-out:
- return ret;
-}
-
-void wng_destroy(struct writer_node_group *g)
-{
- if (!g)
- return;
- free(g->written);
- free(g->writer_nodes);
- free(g);