skeleton of IPC mechanism to allow playback control with cmdline flags

backend/ipc/conn_windows.go

@@ -0,0 +1,19 @@
+//go:build windows
+
+package ipc
+
+import (
+	"net"
+	"time"
+
+	"github.com/Microsoft/go-winio"
+)
+
+func Dial() (net.Conn, error) {
+	timeout := 300 * time.Millisecond
+	return winio.DialPipe("supersonic", &timeout)
+}
+
+func Listen() (net.Listener, error) {
+	return winio.ListenPipe("supersonic", nil)
+}