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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/fork.c')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/fork.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/fork.c b/nptl/sysdeps/unix/sysv/linux/fork.c
index 1683de80fd..524d72c587 100644
--- a/nptl/sysdeps/unix/sysv/linux/fork.c
+++ b/nptl/sysdeps/unix/sysv/linux/fork.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2007 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2007, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -64,6 +64,9 @@ __libc_fork (void)
struct fork_handler *runp;
while ((runp = __fork_handlers) != NULL)
{
+ /* Make sure we read from the current RUNP pointer. */
+ atomic_full_barrier ();
+
unsigned int oldval = runp->refcntr;
if (oldval == 0)