+#define STDIN_INPUT_BUFFER_SIZE (1024 * 32)
+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;
+ 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;
+ buf = para_malloc(STDIN_INPUT_BUFFER_SIZE);
+ ret = read(STDIN_FILENO, buf, STDIN_INPUT_BUFFER_SIZE);
+ //PARA_CRIT_LOG("read ret: %d\n", ret);
+ if (ret <= 0) {
+ if (ret < 0)
+ ret = -ERRNO_TO_PARA_ERROR(errno);
+ else
+ ret = -E_STDIN_EOF;
+ goto err;
+ }
+ btr_add_output(buf, ret, sit->btrn);
+ return;
+err:
+ free(buf);
+ btr_remove_node(sit->btrn);
+ t->error = ret;
+}
+