Fix: complete error handling of babeltrace API

[babeltrace.git] / include / babeltrace / context.h

diff --git a/include/babeltrace/context.h b/include/babeltrace/context.h
index 4a85ff9966162aefa6c61b757ff510a62a659dec..ee2a724aaebdb43903758e7e9e091613496ff738 100644 (file)
--- a/include/babeltrace/context.h
+++ b/include/babeltrace/context.h
@@ -60,7 +60,7 @@ struct bt_context *bt_context_create(void);
  *
  * stream_list is a linked list of streams, it is used to open a trace where
  * the trace data is located in memory mapped areas instead of trace files,
- * this argument should be set to NULL when path is not NULL.
+ * this argument should be set to NULL when path is NULL.
  *
  * The metadata parameter acts as a metadata override when not NULL, otherwise
  * the format handles the metadata opening.
@@ -78,9 +78,10 @@ int bt_context_add_trace(struct bt_context *ctx, const char *path,
 /*
  * bt_context_remove_trace: Remove a trace from the context.
  *
- * Effectively closing the trace.
+ * Effectively closing the trace. Return negative error value if trace
+ * is not in context.
  */
-void bt_context_remove_trace(struct bt_context *ctx, int trace_id);
+int bt_context_remove_trace(struct bt_context *ctx, int trace_id);
 
 /*
  * bt_context_get and bt_context_put : increments and decrement the