diff --git a/send-signal.rkt b/send-signal.rkt
new file mode 100644
index 0000000..d4dea19
--- /dev/null
+++ b/send-signal.rkt
@@ -0,0 +1,8 @@
+#lang racket/base
+
+(require racket/udp)
+(require "test-rrs.rkt")
+
+(define s (udp-open-socket #f #f))
+(define buffer (make-bytes 0))
+(udp-send-to s "127.0.0.1" (test-port-number) #"")