[git commit nptl_glibc_sync] update kernel-features.h with futex features

[Austin Foxley]

commit: http://git.uclibc.org/uClibc/commit/?id=9c738a57b88712ed87e69bcb3ec657773fa159ce
branch: http://git.uclibc.org/uClibc/commit/?id=refs/heads/nptl_glibc_sync

Signed-off-by: Austin Foxley <austinf at cetoncorp.com>
---
 libc/sysdeps/linux/common/bits/kernel-features.h |   17 +++++++++++++++++
 1 files changed, 17 insertions(+), 0 deletions(-)

diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h
index db0a6d8..8481f06 100644
--- a/libc/sysdeps/linux/common/bits/kernel-features.h
+++ b/libc/sysdeps/linux/common/bits/kernel-features.h
@@ -448,3 +448,20 @@
 #if __LINUX_KERNEL_VERSION >= 0x020609 && defined __alpha__
 #define __ASSUME_IEEE_RAISE_EXCEPTION	1
 #endif
+
+/* Support for the FUTEX_CLOCK_REALTIME flag was added in 2.6.29.  */
+#if __LINUX_KERNEL_VERSION >= 0x02061d
+# define __ASSUME_FUTEX_CLOCK_REALTIME	1
+#endif
+
+/* Support for PI futexes was added in 2.6.18.  */
+#if __LINUX_KERNEL_VERSION >= 0x020612
+# define __ASSUME_FUTEX_LOCK_PI	1
+#endif
+
+/* Support for private futexes was added in 2.6.22.  */
+#if __LINUX_KERNEL_VERSION >= 0x020616
+# define __ASSUME_PRIVATE_FUTEX	1
+#endif
+
+
-- 
1.6.3.3