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-rw-r--r--sysdeps/unix/sysv/linux/kernel-features.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 5b41429f16..d5951317e4 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -497,3 +497,12 @@
 #if __LINUX_KERNEL_VERSION >= 0x02061b
 # define __ASSUME_AT_EXECFN	1
 #endif
+
+/* Support for various CLOEXEC and NONBLOCK flags was added for x86 and
+   x86-64 in 2.6.27.  */
+#if __LINUX_KERNEL_VERSION >= 0x02061b \
+    && (defined __i386__ || defined __x86_64__)
+# define __ASSUME_SOCK_CLOEXEC	1
+# define __ASSUME_IN_NONBLOCK	1
+# define __ASSUME_PACCEPT	1
+#endif