Start of wakeup framework.

wakeup.c

@@ -0,0 +1,14 @@
+#include <assert.h>
+#include <unistd.h>
+
+#include "common.h"
+
+#include "wakeup.h"
+
+void wakeup_init() {
+	int pipefd[2];
+	assert(!pipe(pipefd));
+}
+
+void wakeup_add(struct peer *peer, int delay_ms) {
+}