diff --git a/src/fiber.cpp b/src/fiber.cpp
new file mode 100644
index 0000000..ca0f921
--- /dev/null
+++ b/src/fiber.cpp
@@ -0,0 +1,37 @@
+#include "mtl/fiber.hpp"
+
+namespace mtl {
+
+void ifiber_dependency::clear() {
+	for (ifiber* dependent : m_dependents) {
+		--dependent->m_dependencies;
+	}
+
+	m_dependents.clear();
+}
+
+void ifiber_dependency::add_dependent(ifiber* dependent) {
+	m_dependents.push_back(dependent);
+	++dependent->m_dependencies;
+}
+
+/*ifiber::ifiber(priority priority)
+	: m_priority(priority), m_finished(false), m_dependencies(0) {
+	switch (priority) {
+	case priority::low:
+		if (s_queue_low.size() < s_queue_low.capacity()) {
+			s_queue_low.push_back(this);
+		} else {
+			mtl::yield();
+		}
+		break;
+	case priority::med:
+		s_queue_med.push_back(this);
+		break;
+	case priority::hi:
+		s_queue_hi.push_back(this);
+		break;
+	}
+}*/
+
+} // namespace mtl