1 files changed, 16 insertions, 0 deletions
diff --git a/include/gras/block.hpp b/include/gras/block.hpp
index 8cb5f95..5f51acf 100644
--- a/include/gras/block.hpp
+++ b/include/gras/block.hpp
@@ -76,6 +76,22 @@ struct GRAS_API InputPortConfig
      * Default = 0.
      */
     size_t preload_items;
+
+    /*!
+     * Force this block done when input port is done.
+     * When the upstream feeding this port declares done,
+     * this block will mark done once upstream notifies.
+     * The primary usage is to modify the done logic
+     * for the purposes of unit test confiruability.
+     *
+     * If the force done option is false, the block will
+     * not mark done when this port's upstream is done.
+     * However, this block will mark done when all
+     * input ports are done, reguardless of this setting.
+     *
+     * Default = true.
+     */
+    bool force_done;
 };
 
 //! Configuration parameters for an output port