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-rw-r--r--malloc/arena.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/malloc/arena.c b/malloc/arena.c
index e47d3d0e1f..fb7b92f318 100644
--- a/malloc/arena.c
+++ b/malloc/arena.c
@@ -1,5 +1,5 @@
/* Malloc implementation for multiple threads without lock contention.
- Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2002, 2003 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Wolfram Gloger <wg@malloc.de>, 2001.
@@ -758,6 +758,7 @@ arena_get2(a_tsd, size) mstate a_tsd; size_t size;
/* Add the new arena to the global list. */
(void)mutex_lock(&list_lock);
a->next = main_arena.next;
+ atomic_write_barrier ();
main_arena.next = a;
(void)mutex_unlock(&list_lock);