diff --git a/libc/kernel/arch-x86/asm/msgbuf.h b/libc/kernel/arch-x86/asm/msgbuf.h
new file mode 100644
index 0000000..8843e78
--- /dev/null
+++ b/libc/kernel/arch-x86/asm/msgbuf.h
@@ -0,0 +1,38 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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_MSGBUF_H
+#define _ASM_X86_MSGBUF_H
+
+struct msqid64_ds {
+ struct ipc64_perm msg_perm;
+ __kernel_time_t msg_stime;
+#ifdef __i386__
+ unsigned long __unused1;
+#endif
+ __kernel_time_t msg_rtime;
+#ifdef __i386__
+ unsigned long __unused2;
+#endif
+ __kernel_time_t msg_ctime;
+#ifdef __i386__
+ unsigned long __unused3;
+#endif
+ unsigned long msg_cbytes;
+ unsigned long msg_qnum;
+ unsigned long msg_qbytes;
+ __kernel_pid_t msg_lspid;
+ __kernel_pid_t msg_lrpid;
+ unsigned long __unused4;
+ unsigned long __unused5;
+};
+
+#endif