From ee8aaccf260a7e8ce75e237b5228ff85c44906df Mon Sep 17 00:00:00 2001
From: Ulrich Drepper <drepper@redhat.com>
Date: Tue, 27 Dec 2005 15:08:35 +0000
Subject: [PATCH] Add __next and __prev field to pthread_mutex_t.

---
 sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h b/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
index 86b47037e4..50049376b0 100644
--- a/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
+++ b/sysdeps/unix/sysv/linux/alpha/nptl/bits/pthreadtypes.h
@@ -45,7 +45,7 @@ typedef union
 
 /* Data structures for mutex handling.  The structure of the attribute
    type is deliberately not exposed.  */
-typedef union
+typedef union __pthread_mutex_u
 {
   struct
   {
@@ -57,6 +57,9 @@ typedef union
        binary compatibility.  */
     int __kind;
     int __spins;
+    union __pthread_mutex_u *__next;
+    union __pthread_mutex_u *__prev;
+#define __PTHREAD_MUTEX_HAVE_PREV	1
   } __data;
   char __size[__SIZEOF_PTHREAD_MUTEX_T];
   long int __align;