+ int i, ret;
+ struct check_wav_task_btr _cwt, *cwt = &_cwt;
+ struct writer_node **wns;
+
+ sit.btrn = btr_new_node("stdin", NULL /* stdin has no parent */, NULL, NULL);
+ stdin_set_defaults(&sit);
+ register_task(&sit.task);
+
+ cwt->state = CWS_NEED_HEADER;
+ cwt->btrn = btr_new_node("check wav", sit.btrn, check_wav_exec, cwt);
+ sprintf(cwt->task.status, "check wav");
+ cwt->task.pre_select = check_wav_pre_select_btr;
+ cwt->task.post_select = check_wav_post_select_btr;
+ cwt->task.error = 0;
+ register_task(&cwt->task);
+
+ wns = para_malloc(conf.writer_given * sizeof(*wns));
+
+ for (i = 0; i < conf.writer_given; i++) {
+ struct writer_node *wn = para_calloc(sizeof(*wn));
+ struct writer *w;
+ const char *name;
+
+ ret = -E_WRITE_SYNTAX;
+ wn->conf = check_writer_arg(conf.writer_arg[i],
+ &wn->writer_num);
+ if (!wn->conf)
+ goto out;
+ w = writers + wn->writer_num;
+ name = writer_names[wn->writer_num];
+ wn->btrn = btr_new_node(name, cwt->btrn, w->execute, wn);
+ sprintf(wn->task.status, "%s", name);
+ w->open(wn);
+ wn->task.post_select = w->post_select_btr;
+ wn->task.pre_select = w->pre_select_btr;
+ register_task(&wn->task);
+ wns[i] = wn;
+ }
+ i--;
+
+ s->default_timeout.tv_sec = 10;
+ s->default_timeout.tv_usec = 50000;
+ ret = schedule(s);
+out:
+ for (; i >= 0; i--) {
+ struct writer_node *wn = wns[i];
+ free(wn->conf);
+ free(wn);
+ }
+ free(wns);
+ return ret;