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-rw-r--r--src/include/anastasis_database_plugin.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/src/include/anastasis_database_plugin.h b/src/include/anastasis_database_plugin.h
index bc4b0e6..7bf91a2 100644
--- a/src/include/anastasis_database_plugin.h
+++ b/src/include/anastasis_database_plugin.h
@@ -232,9 +232,12 @@ struct ANASTASIS_DatabasePlugin
* Does not return anything, as we will continue regardless of the outcome.
*
* @param cls the `struct PostgresClosure` with the plugin-specific state
+ * @return #GNUNET_OK if everything is fine
+ * #GNUNET_NO if a transaction was rolled back
+ * #GNUNET_SYSERR on hard errors
*/
- void
- (*preflight) (void *cls);
+ enum GNUNET_GenericReturnValue
+ (*preflight)(void *cls);
/**
* Check that the database connection is still up.