Add support for XPG7 testing.

The header conformance testing code needed extending for XPG7.  This
exposed a few bugs in the headers.  There are more changes to come.

sysdeps/unix/sysv/linux/s390/bits/fcntl.h

@@ -1,5 +1,6 @@
 /* O_*, F_*, FD_* bit values for Linux.
-   Copyright (C) 2000,2001,2002,2004,2006,2007,2009 Free Software Foundation, Inc.
+   Copyright (C) 2000-2002,2004,2006,2007,2009,2010
+   Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -45,13 +46,15 @@
 #define O_FSYNC		 O_SYNC
 #define O_ASYNC		 020000
 
-#ifdef __USE_GNU
-# define O_DIRECT	 040000	/* Direct disk access.	*/
+#ifdef __USE_XOPEN2K8
 # define O_DIRECTORY	0200000	/* Must be a directory.	 */
 # define O_NOFOLLOW	0400000	/* Do not follow links.	 */
-# define O_NOATIME     01000000 /* Do not set atime.  */
 # define O_CLOEXEC     02000000 /* Set close_on_exec.  */
 #endif
+#ifdef __USE_GNU
+# define O_DIRECT	 040000	/* Direct disk access.	*/
+# define O_NOATIME     01000000 /* Do not set atime.  */
+#endif
 
 #ifdef __USE_LARGEFILE64
 # if __WORDSIZE == 64
@@ -99,7 +102,7 @@
 # define F_SETLKW64	14	/* Set record locking info (blocking).	*/
 #endif
 
-#if defined __USE_BSD || defined __USE_UNIX98
+#if defined __USE_BSD || defined __USE_UNIX98 || defined __USE_XOPEN2K8
 # define F_SETOWN	8	/* Get owner (process receiving SIGIO).  */
 # define F_GETOWN	9	/* Set owner (process receiving SIGIO).  */
 #endif
@@ -115,6 +118,8 @@
 # define F_SETLEASE	1024	/* Set a lease.	 */
 # define F_GETLEASE	1025	/* Enquire what lease is active.  */
 # define F_NOTIFY	1026	/* Request notfications on a directory.	 */
+#endif
+#ifdef __USE_XOPEN2K8
 # define F_DUPFD_CLOEXEC 1030	/* Duplicate file descriptor with
 				   close-on-exit set.  */
 #endif