X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fcore%2Fthread.h;h=81494eaf5e47a007d6bd6207293a972920277362;hp=ac7169ff0250c509260f7303834d34fb7fb83155;hb=a23176e6d3399bbeb75cf6a173543bf5d5f85187;hpb=967785734be5c3fc6f75da122c2d93ebbb338271

diff --git a/source/core/thread.h b/source/core/thread.h
index ac7169f..81494ea 100644
--- a/source/core/thread.h
+++ b/source/core/thread.h
@@ -15,8 +15,17 @@ class Thread
 private:
 	struct Private;
 
+	enum State
+	{
+		PENDING,
+		RUNNING,
+		FINISHED,
+		KILLED,
+		JOINED
+	};
+
 	Private *priv_;
-	bool launched_;
+	State state_;
 
 protected:
 	Thread();
@@ -26,10 +35,21 @@ private:
 public:
 	virtual ~Thread();
 
+	/** Indicates whether the thread has finished running. */
+	bool is_finished() { return state_>=FINISHED; }
+
+	/** Waits for the thread to exit.  Calling this from the thread will cause a
+	deadlock. */
 	void join();
+
+	/** Violently terminates the thread.  This should only be used as a last
+	resort, as the thread gets no chance to clean up. */
 	void kill();
+
 protected:
+	/** Starts the thread.  Can only be called once for each Thread instance. */
 	void launch();
+
 	virtual void main() = 0;
 };