1 files changed, 11 insertions, 5 deletions

diff --git a/task.cc b/task.cc
index d539b50..10e9368 100644
--- a/task.cc
+++ b/task.cc
@@ -39,32 +39,38 @@ bool Task::ready()
 {
 	for(const auto& task : dependsTasks)
 	{
-		if(task->dirty() && !task->done())
+		if(task->dirty() || task->state() == State::Running)
 		{
 			return false;
 		}
 	}
 
+	task_state.store(State::Ready);
 	return true;
 }
 
 int Task::run()
 {
-	if(is_done.load())
+	if(task_state.load() == State::Done)
 	{
 		return 0;
 	}
 
+	task_state.store(State::Running);
 	auto ret = runInner();
 	if(ret == 0)
 	{
-		is_done.store(true);
+		task_state.store(State::Done);
+	}
+	else
+	{
+		task_state.store(State::Error);
 	}
 
 	return ret;
 }
 
-bool Task::done() const
+State Task::state() const
 {
-	return is_done.load();
+	return task_state.load();
 }