diff --git a/libc/kernel/uapi/linux/seccomp.h b/libc/kernel/uapi/linux/seccomp.h
index 907895e..4ac3a29 100644
--- a/libc/kernel/uapi/linux/seccomp.h
+++ b/libc/kernel/uapi/linux/seccomp.h
@@ -24,21 +24,25 @@
 #define SECCOMP_MODE_DISABLED 0
 #define SECCOMP_MODE_STRICT 1
 #define SECCOMP_MODE_FILTER 2
-#define SECCOMP_RET_KILL 0x00000000U
+#define SECCOMP_SET_MODE_STRICT 0
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define SECCOMP_SET_MODE_FILTER 1
+#define SECCOMP_FILTER_FLAG_TSYNC 1
+#define SECCOMP_RET_KILL 0x00000000U
 #define SECCOMP_RET_TRAP 0x00030000U
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SECCOMP_RET_ERRNO 0x00050000U
 #define SECCOMP_RET_TRACE 0x7ff00000U
 #define SECCOMP_RET_ALLOW 0x7fff0000U
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SECCOMP_RET_ACTION 0x7fff0000U
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define SECCOMP_RET_DATA 0x0000ffffU
 struct seccomp_data {
  int nr;
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u32 arch;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
  __u64 instruction_pointer;
  __u64 args[6];
 };
-/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #endif
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */