---
 ports/sysdeps/hppa/linuxthreads/tls.h |   23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

--- a/ports/sysdeps/hppa/linuxthreads/tls.h
+++ b/ports/sysdeps/hppa/linuxthreads/tls.h
@@ -100,6 +100,29 @@
 #define THREAD_SETMEM_NC(descr, member, value) \
   ((void) sizeof (descr), THREAD_SELF->member = (value))
 
+/* Get and set the global scope generation counter in struct pthread.  */
+#define THREAD_GSCOPE_FLAG_UNUSED 0
+#define THREAD_GSCOPE_FLAG_USED   1
+#define THREAD_GSCOPE_FLAG_WAIT   2
+#define THREAD_GSCOPE_RESET_FLAG() \
+  do									     \
+    { int __res								     \
+	= atomic_exchange_rel (&THREAD_SELF->p_gscope_flag,	             \
+			       THREAD_GSCOPE_FLAG_UNUSED);		     \
+      if (__res == THREAD_GSCOPE_FLAG_WAIT)				     \
+	lll_futex_wake (&THREAD_SELF->p_gscope_flag, 1);		     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_SET_FLAG() \
+  do									     \
+    {									     \
+      THREAD_SELF->p_gscope_flag = THREAD_GSCOPE_FLAG_USED;		     \
+      atomic_write_barrier ();						     \
+    }									     \
+  while (0)
+#define THREAD_GSCOPE_WAIT() \
+  do { /* GL(dl_wait_lookup_done) () */ } while (0)
+
 /* Install the dtv pointer.  The pointer passed is to the element with
    index -1 which contain the length.  */
 #  define INSTALL_DTV(tcbp, dtvp) \