Add emptiness checking to ql module

2020-04-02 13:05:16 -07:00
parent 1dd24ca6d2
commit a62b7ed928
2 changed files with 4 additions and 0 deletions
--- a/include/jemalloc/internal/ql.h
+++ b/include/jemalloc/internal/ql.h
@@ -18,6 +18,8 @@ struct {								\
 	(a_head)->qlh_first = NULL;					\
 } while (0)

+#define ql_empty(a_head) ((a_head)->qlh_first == NULL)
+
 #define ql_elm_new(a_elm, a_field) qr_new((a_elm), a_field)

 #define ql_first(a_head) ((a_head)->qlh_first)