Rename dirs

lib/wait.c

@@ -0,0 +1,17 @@
+#include <zinnia/waitq.h>
+
+void waitq_init(struct waitq* wq) {
+    tailq_init(&wq->waiters);
+}
+
+void waitq_wait(struct waitq* wq) {
+    // TODO
+}
+
+void waitq_wake_one(struct waitq* wq) {
+    // TODO
+}
+
+void waitq_wake_all(struct waitq* wq) {
+    // TODO
+}