diff --git a/src/arch_rtx.h b/src/arch_rtx.h
new file mode 100644
index 00000000..8b7dfbc5
--- /dev/null
+++ b/src/arch_rtx.h
@@ -0,0 +1,30 @@
+#pragma once
+
+#if MG_ARCH == MG_ARCH_RTX
+
+#include <ctype.h>
+#include <errno.h>
+#include <stdarg.h>
+#include <stdbool.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+#include <rl_net.h>
+
+#define MG_ENABLE_CUSTOM_MILLIS 1
+typedef int socklen_t;
+#define closesocket(x) closesocket(x)
+#define mkdir(a, b) (-1)
+#define EWOULDBLOCK BSD_EWOULDBLOCK
+#define EAGAIN BSD_EWOULDBLOCK
+#define EINPROGRESS BSD_EWOULDBLOCK
+#define EINTR BSD_EWOULDBLOCK
+#define ECONNRESET BSD_ECONNRESET
+#define EPIPE BSD_ECONNRESET
+#define TCP_NODELAY SO_KEEPALIVE
+
+#endif