1 files changed, 10 insertions, 1 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h b/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
index 86b47037e..0f3bf838e 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/alpha/bits/pthreadtypes.h
@@ -43,11 +43,18 @@ typedef union
 } pthread_attr_t;
 
 
+typedef struct __pthread_internal_list
+{
+  struct __pthread_internal_list *__prev;
+  struct __pthread_internal_list *__next;
+} __pthread_list_t;
+
+
 /* Data structures for mutex handling.  The structure of the attribute
    type is deliberately not exposed.  */
 typedef union
 {
-  struct
+  struct __pthread_mutex_s
   {
     int __lock;
     unsigned int __count;
@@ -57,6 +64,8 @@ typedef union
        binary compatibility.  */
     int __kind;
     int __spins;
+    __pthread_list_t __list;
+#define __PTHREAD_MUTEX_HAVE_PREV       1
   } __data;
   char __size[__SIZEOF_PTHREAD_MUTEX_T];
   long int __align;