Sinks own their input iterators

[babeltrace.git] / include / babeltrace / plugin / component.h

diff --git a/include/babeltrace/plugin/component.h b/include/babeltrace/plugin/component.h
index 5dc0e3903ac5186f25590b63dadc9a04ad66165d..c1ad622e6f7f5821b8d6f7767f56a5e282cad3c5 100644 (file)
--- a/include/babeltrace/plugin/component.h
+++ b/include/babeltrace/plugin/component.h
@@ -39,23 +39,25 @@ extern "C" {
  * Status code. Errors are always negative.
  */
 enum bt_component_status {
-       /** Memory allocation failure. */
-       BT_COMPONENT_STATUS_NOMEM =             -4,
-
-       /** Invalid arguments. */
-       BT_COMPONENT_STATUS_INVAL =             -3,
-
-       /** Unsupported component feature. */
-       BT_COMPONENT_STATUS_UNSUPPORTED =       -2,
-
-       /** General error. */
-       BT_COMPONENT_STATUS_ERROR =             -1,
-
        /** No error, okay. */
        BT_COMPONENT_STATUS_OK =                0,
+       /** No more work to be done by this component. **/
+       BT_COMPONENT_STATUS_END =               1,
+       /**
+        * Component can't process a notification at this time
+        * (e.g. would block), try again later.
+        */
+       BT_COMPONENT_STATUS_AGAIN =             2,
+       /** General error. */
+       BT_COMPONENT_STATUS_ERROR =             -1,
+       /** Unsupported component feature. */
+       BT_COMPONENT_STATUS_UNSUPPORTED =       -2,
+       /** Invalid arguments. */
+       BT_COMPONENT_STATUS_INVALID =           -3,
+       /** Memory allocation failure. */
+       BT_COMPONENT_STATUS_NOMEM =             -4,
 };
 
-
 struct bt_component;
 struct bt_value;
 
@@ -98,16 +100,6 @@ extern enum bt_component_status bt_component_set_name(
 extern struct bt_component_class *bt_component_get_class(
                struct bt_component *component);
 
-/**
- * Set component instance's error stream.
- *
- * @param component    Component instance
- * @param error_stream Error stream
- * @returns            One of #bt_component_status values
- */
-extern enum bt_component_status bt_component_set_error_stream(
-               struct bt_component *component, FILE *error_stream);
-
 #ifdef __cplusplus
 }
 #endif