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Diffstat (limited to 'nptl/sysdeps/pthread/unwind-forcedunwind.c')
-rw-r--r--nptl/sysdeps/pthread/unwind-forcedunwind.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/nptl/sysdeps/pthread/unwind-forcedunwind.c b/nptl/sysdeps/pthread/unwind-forcedunwind.c
index ae43f335e7..3b27827c6b 100644
--- a/nptl/sysdeps/pthread/unwind-forcedunwind.c
+++ b/nptl/sysdeps/pthread/unwind-forcedunwind.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2003, 2005, 2006, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2003, 2005, 2006, 2009, 2011 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>.
@@ -96,6 +96,8 @@ _Unwind_Resume (struct _Unwind_Exception *exc)
{
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
+ else
+ atomic_read_barrier ();
void (*resume) (struct _Unwind_Exception *exc) = libgcc_s_resume;
PTR_DEMANGLE (resume);
@@ -105,11 +107,13 @@ _Unwind_Resume (struct _Unwind_Exception *exc)
_Unwind_Reason_Code
__gcc_personality_v0 (int version, _Unwind_Action actions,
_Unwind_Exception_Class exception_class,
- struct _Unwind_Exception *ue_header,
- struct _Unwind_Context *context)
+ struct _Unwind_Exception *ue_header,
+ struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
+ else
+ atomic_read_barrier ();
_Unwind_Reason_Code (*personality)
(int, _Unwind_Action, _Unwind_Exception_Class, struct _Unwind_Exception *,
@@ -124,6 +128,8 @@ _Unwind_ForcedUnwind (struct _Unwind_Exception *exc, _Unwind_Stop_Fn stop,
{
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
+ else
+ atomic_read_barrier ();
_Unwind_Reason_Code (*forcedunwind)
(struct _Unwind_Exception *, _Unwind_Stop_Fn, void *)
@@ -137,6 +143,8 @@ _Unwind_GetCFA (struct _Unwind_Context *context)
{
if (__builtin_expect (libgcc_s_handle == NULL, 0))
pthread_cancel_init ();
+ else
+ atomic_read_barrier ();
_Unwind_Word (*getcfa) (struct _Unwind_Context *) = libgcc_s_getcfa;
PTR_DEMANGLE (getcfa);