Make base_t's extent_hooks field C11-atomic

2017-04-04 17:32:21 -07:00
parent 56b72c7b17
commit 92aafb0efe
2 changed files with 9 additions and 15 deletions
--- a/include/jemalloc/internal/base_structs.h
+++ b/include/jemalloc/internal/base_structs.h
@@ -17,11 +17,11 @@ struct base_s {
 	/* Associated arena's index within the arenas array. */
 	unsigned	ind;

-	/* User-configurable extent hook functions. */
-	union {
-		extent_hooks_t	*extent_hooks;
-		void		*extent_hooks_pun;
-	};
+	/*
+	 * User-configurable extent hook functions.  Points to an
+	 * extent_hooks_t.
+	 */
+	atomic_p_t extent_hooks;

 	/* Protects base_alloc() and base_stats_get() operations. */
 	malloc_mutex_t	mtx;