1 files changed, 11 insertions, 2 deletions
diff --git a/task.h b/task.h
index 2dd05e3..00b01d2 100644
--- a/task.h
+++ b/task.h
@@ -7,6 +7,15 @@
 #include <list>
 #include <memory>
 
+enum class State
+{
+	Unknown,
+	Ready,
+	Running,
+	Done,
+	Error,
+};
+
 class Task
 {
 public:
@@ -17,13 +26,13 @@ public:
 	bool dirty();
 	bool ready();
 	int run();
-	bool done() const;
+	State state() const;
 	virtual int clean() = 0 ;
 	virtual std::vector<std::string> depends() const = 0;
 	virtual std::string target() const = 0;
 
 protected:
-	std::atomic<bool> is_done{false};
+	std::atomic<State> task_state{State::Unknown};
 	virtual int runInner() { return 0; };
 	virtual bool dirtyInner() { return false; }