int i, ret = 1;
PARA_NOTICE_LOG("opening wng %p with %d writer(s)\n", g, g->num_writers);
+ register_task(&g->task);
FOR_EACH_WRITER_NODE(i, g) {
struct writer_node *wn = &g->writer_nodes[i];
wn->wng = g;
ret = wn->writer->open(wn);
if (ret < 0)
- goto out;
+ goto err_out;
wn->chunk_bytes = ret;
g->max_chunk_bytes = PARA_MAX(g->max_chunk_bytes, ret);
wn->task.pre_select = wn->writer->pre_select;
}
sprintf(g->task.status, "%s", "writer node group");
g->eof = 0;
- register_task(&g->task);
-out:
+ return 1;
+err_out:
+ unregister_task(&g->task);
+ while (i > 0) {
+ struct writer_node *wn = &g->writer_nodes[--i];
+ unregister_task(&wn->task);
+ wn->writer->close(wn);
+ }
+ g->num_writers = 0;
+ g->eof = 1;
return ret;
}
unregister_task(&wn->task);
}
unregister_task(&g->task);
+ g->eof = 1;
}
void wng_close(struct writer_node_group *g)
g->written = para_calloc(num_writers * sizeof(size_t));
g->task.private_data = g;
g->task.post_select = wng_post_select;
- g->task.flags = POST_ADD_TAIL;
+ g->task.flags = 0;
return g;
}