diff --git a/libs/signal.go b/libs/signal.go
new file mode 100644
index 0000000..443825f
--- /dev/null
+++ b/libs/signal.go
@@ -0,0 +1,15 @@
+package libs
+
+const (
+	sysSignalH = "signal.h"
+)
+
+func init() {
+	RegisterLibrary(sysSignalH, func(c *Env) *Library {
+		return &Library{
+			// TODO
+			Header: `
+`,
+		}
+	})
+}