--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/parallel_execution/dependency.c	Mon May 02 20:39:02 2016 +0900
@@ -0,0 +1,61 @@
+#include "context.h"
+#include "origin_cs.h"
+
+__code meta_waitFor(struct Context* context, struct Queue* queue, enum Code next) {
+    context->data[Queue] = (Data *)queue;
+    goto (context->code[next])(context);
+}
+
+__code waitFor1(struct Context* context, struct Task* master, struct Task* slave, struct Element* element) {
+    element->task = slave;
+    task->next = WaitFor2;
+    // enqueue waitMe
+    goto meta_waitFor(context, task->waitMe, PutQueue1);
+}
+
+__code waitFor1_stub(struct Context* context) {
+    // next think
+}
+
+__code waitFor2(struct Context* context, struct Task* master, struct Task* slave, struct Element* element) {
+    element->task = master;
+    task->next = context->next;
+    // enqueue waitI
+    goto meta_waitFor(context, task->waitI, PutQueue1);
+}
+
+__code waitFor2_stub(struct Context* context) {
+    // next think
+}
+
+__code spawnTask(struct Context* context, struct Task* task, struct Queue* activeQueue, struct Queue* waitQueue) {
+    if (task->wait_i->count == task->wait_task_count) {
+        element->task = task;
+        // enqueue activeQueue
+        goto meta(context, PutQueue1);
+    }
+    else {
+        element->task = task;
+        // enqueue waitQueue
+        goto meta(context, PutQueue1);
+    }
+}
+
+__code spawnTask_stub(struct Context* context) {
+    // next think
+}
+
+__code taskA(struct Context*) {
+    printf("TaskA\n");
+    goto meta(context, context->next);
+}
+
+__code taskB(struct Context*) {
+    printf("TaskB\n");
+    goto meta(context, context->next);
+}
+
+__code taskC(struct Context*) {
+    printf("TaskC\n");
+    goto meta(context, context->next);
+}