+static void stdin_post_select_btr(struct sched *s, struct task *t)
+{
+ struct stdin_task *sit = container_of(t, struct stdin_task, task);
+ ssize_t ret;
+ size_t sz;
+ char *buf = NULL;
+
+ t->error = 0;
+ ret = btr_node_status(sit->btrn, 0, BTR_NT_ROOT);
+ if (ret < 0)
+ goto err;
+ if (ret == 0)
+ return;
+ if (!FD_ISSET(STDIN_FILENO, &s->rfds))
+ return;
+ sz = btr_pool_get_buffer(sit->btrp, &buf);
+ ret = -E_STDIN_OVERRUN;
+ if (sz == 0)
+ goto err;
+ /*
+ * Do not use the maximal size to avoid having only a single buffer
+ * reference for the whole pool. This is bad because if that single
+ * reference can not be freed, we're stuck.
+ */
+ sz = PARA_MIN(sz, btr_pool_size(sit->btrp) / 2);
+ ret = read(STDIN_FILENO, buf, sz);
+ //PARA_CRIT_LOG("read ret: %d\n", ret);
+ if (ret < 0)
+ ret = -ERRNO_TO_PARA_ERROR(errno);
+ if (ret == 0)
+ ret = -E_STDIN_EOF;
+ if (ret < 0)
+ goto err;
+ btr_add_output_pool(sit->btrp, ret, sit->btrn);
+ return;
+err:
+ btr_remove_node(sit->btrn);
+ //btr_pool_free(sit->btrp);
+ t->error = ret;
+}
+