diff --git a/ChangeLog.arm b/ChangeLog.arm
index 170d51a4dc..16380331e1 100644
--- a/ChangeLog.arm
+++ b/ChangeLog.arm
@@ -1,3 +1,8 @@
+2009-10-29  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/arm/bits/fcntl.h: Define F_OWNER_* and
+	f_owner_ex.
+
 2009-10-22  Daniel Gutson  <dgutson@codesourcery.com>
 
 	* sysdeps/arm/sysdep.h: (Tag_ABI_align8_preserved,
diff --git a/sysdeps/unix/sysv/linux/arm/bits/fcntl.h b/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
index 80ecee7125..e5e70aab4c 100644
--- a/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
+++ b/sysdeps/unix/sysv/linux/arm/bits/fcntl.h
@@ -168,6 +168,23 @@ struct flock64
   };
 #endif
 
+#ifdef __USE_GNU
+/* Owner types.  */
+enum __pid_type
+  {
+    F_OWNER_TID = 0,	/* Kernel thread.  */
+    F_OWNER_PID,	/* Process.  */
+    F_OWNER_GID		/* Process group.  */
+  };
+
+/* Structure to use with F_GETOWN_EX and F_SETOWN_EX.  */
+struct f_owner_ex
+  {
+    enum __pid_type type;	/* Owner type of ID.  */
+    __pid_t pid;		/* ID of owner.  */
+  };
+#endif
+
 /* Define some more compatibility macros to be backward compatible with
    BSD systems which did not managed to hide these kernel macros.  */
 #ifdef	__USE_BSD