* sysdeps/unix/sysv/linux/kernel-features.h

	(__ASSUME_FUTEX_CLOCK_REALTIME): Define.

diff --git a/ChangeLog b/ChangeLog
index 450a5b6..9bc0afc 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,8 @@
 2009-01-02  Ulrich Drepper  <drepper@redhat.com>
 
+       * sysdeps/unix/sysv/linux/kernel-features.h
+       (__ASSUME_FUTEX_CLOCK_REALTIME): Define.
+
        * wcsmbs/wcsnrtombs.c (__wcsnrtombs): Create temporary state object
        if no output is written.
 

diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 42b1c10..d4f2487 100644 (file)
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -517,3 +517,10 @@
        || defined __ia64__ || defined __sparc__ || __s390__)
 # define __ASSUME_ACCEPT4      1
 #endif
+
+/* Support for the FUTEX_CLOCK_REALTIME flag was added in 2.6.29.  */
+#if __LINUX_KERNEL_VERSION >= 0x02061d \
+    && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \
+       || defined __ia64__ || defined __sparc__ || __s390__)
+# define __ASSUME_FUTEX_CLOCK_REALTIME 1
+#endif