ldb: Add ldb_handle_get_event_context()

This will allow us to obtain a private event context for use while we hold
locks in ldb_tdb, that is not shared with the global state of the application.

This will ensure we do not perform other operations while we hold the lock

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>

1 files changed, 7 insertions, 0 deletions

diff --git a/lib/ldb/include/ldb_module.h b/lib/ldb/include/ldb_module.h
index 75f3fcb2bf8..fc8575c22d8 100644
--- a/lib/ldb/include/ldb_module.h
+++ b/lib/ldb/include/ldb_module.h
@@ -210,6 +210,13 @@ int ldb_register_backend(const char *url_prefix, ldb_connect_fn, bool);
 
 struct ldb_handle *ldb_handle_new(TALLOC_CTX *mem_ctx, struct ldb_context *ldb);
 
+/*
+ * This function obtains the private event context for the handle,
+ * which may have been created to avoid nested event loops during
+ * ldb_tdb with the locks held
+ */
+struct tevent_context *ldb_handle_get_event_context(struct ldb_handle *handle);
+
 int ldb_module_send_entry(struct ldb_request *req,
 			  struct ldb_message *msg,
 			  struct ldb_control **ctrls);