Worked on runtime and threadpool

include/runtime.h

@@ -0,0 +1,10 @@
+#pragma once
+
+typedef void (*system_tick_t)(int type);
+
+void runtime_init();
+void runtime_loop();
+void runtime_destroy();
+
+int runtime_callback_single(system_tick_t callback, long delay);
+int runtime_callback_many(system_tick_t callback, long period, long phase);

include/thread_pool.h

@@ -0,0 +1,9 @@
+#pragma once
+
+typedef struct thread_pool_t thread_pool_t;
+
+thread_pool_t *thread_pool_create(size_t thread_count);
+void thread_pool_destroy(thread_pool_t *pool);
+
+long thread_pool_run(thread_pool_t *pool, void *(*func)(void*), void *data);
+void thread_pool_join_all(thread_pool_t *pool);