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Diffstat (limited to 'nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S')
-rw-r--r--nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S7
1 files changed, 6 insertions, 1 deletions
diff --git a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
index 72e7bc5b24..006de2696e 100644
--- a/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
+++ b/nptl/sysdeps/unix/sysv/linux/x86_64/pthread_cond_broadcast.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
@@ -21,6 +21,7 @@
#include <shlib-compat.h>
#include <lowlevelcond.h>
#include <kernel-features.h>
+#include <pthread-pi-defines.h>
#ifdef UP
# define LOCK
@@ -80,6 +81,10 @@ __pthread_cond_broadcast:
8: cmpq $-1, %r8
je 9f
+ /* XXX: The kernel so far doesn't support requeue to PI futex. */
+ testl $PI_BIT, MUTEX_KIND(%r8)
+ jne 9f
+
/* Wake up all threads. */
movl $FUTEX_CMP_REQUEUE, %esi
movl $SYS_futex, %eax