auto import from //depot/cupcake/@135843
diff --git a/libc/kernel/arch-x86/asm/sockios.h b/libc/kernel/arch-x86/asm/sockios.h
new file mode 100644
index 0000000..ebdfa98
--- /dev/null
+++ b/libc/kernel/arch-x86/asm/sockios.h
@@ -0,0 +1,23 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ *** This header was automatically generated from a Linux kernel header
+ *** of the same name, to make information necessary for userspace to
+ *** call into the kernel available to libc. It contains only constants,
+ *** structures, and macros generated from the original header, and thus,
+ *** contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef _ASM_X86_SOCKIOS_H
+#define _ASM_X86_SOCKIOS_H
+
+#define FIOSETOWN 0x8901
+#define SIOCSPGRP 0x8902
+#define FIOGETOWN 0x8903
+#define SIOCGPGRP 0x8904
+#define SIOCATMARK 0x8905
+#define SIOCGSTAMP 0x8906
+#define SIOCGSTAMPNS 0x8907
+
+#endif