diff -r 5a49f274ab2d -r c89e5edb8eae librazor/razor-internal.h
--- a/librazor/razor-internal.h	Tue Jun 05 11:07:53 2018 +0100
+++ b/librazor/razor-internal.h	Thu Jun 07 18:36:20 2018 +0100
@@ -125,7 +125,7 @@
 	struct array file_string_pool;
 	struct array details_string_pool;
 	struct razor_mapped_file *mapped_files;
-	int lock_fd, ref_count;
+	int lock, ref_count;
 	enum razor_set_flags flags;
 };
 
@@ -184,7 +184,8 @@
 };
 
 int
-razor_set_acquire_lock(struct razor_set *set, const char *path, int exclusive);
+razor_set_acquire_lock(struct razor_set *set, const char *path, int exclusive,
+		       struct razor_error **error);
 
 struct razor_entry *
 razor_set_find_entry(struct razor_set *set,
@@ -315,6 +316,7 @@
 	if (error) \
 		*(error) = razor_error_new_str(domain, code, object, str); \
 	else
+void razor_error_set_object(struct razor_error *error, const char *object);
 
 #ifdef MSWIN_API
 struct razor_error *razor_error_new_mswin(const wchar_t *object, DWORD error);