# define __ASSUME_IEEE_RAISE_EXCEPTION 1
#endif
+/* Support for the O_CLOEXEC flag was added for alpha in 2.6.23. */
+#if __LINUX_KERNEL_VERSION >= 0x020617
+# define __ASSUME_O_CLOEXEC 1
+#endif
+
+/* Support for various CLOEXEC and NONBLOCK flags was added for alpha after
+ 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION >= 0x020621
+# define __ASSUME_SOCK_CLOEXEC 1
+# define __ASSUME_IN_NONBLOCK 1
+#endif
+
+/* Support for the pipe2, eventfd2, signalfd4 syscalls was added for alpha
+ after 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION >= 0x020621
+# define __ASSUME_PIPE2 1
+# define __ASSUME_EVENTFD2 1
+# define __ASSUME_SIGNALFD4 1
+#endif
+
+/* Support for accept4 was added for alpha after 2.6.33-rc1. */
+#if __LINUX_KERNEL_VERSION >= 0x020621
+# define __ASSUME_ACCEPT4 1
+#endif
+
#include_next <kernel-features.h>
#undef __ASSUME_ST_INO_64_BIT
# undef __ASSUME_UTIMENSAT
#endif
-/* Support for fallocate was added on alpha for 2.6.33. */
+/* Support for fallocate was added for alpha after 2.6.33-rc1. */
#if __LINUX_KERNEL_VERSION < 0x020621
# undef __ASSUME_FALLOCATE
#endif