launch_daemon: give the main worker thread a different name.

* It's now called "main worker" instead of just worker.

src/servers/launch/Worker.cpp

@@ -31,7 +31,7 @@ Worker::~Worker()
 status_t
 Worker::Init()
 {
-	fThread = spawn_thread(&Worker::_Process, "worker", B_NORMAL_PRIORITY,
+	fThread = spawn_thread(&Worker::_Process, Name(), B_NORMAL_PRIORITY,
 		this);
 	if (fThread < 0)
 		return fThread;
@@ -70,6 +70,13 @@ Worker::Timeout() const
 }
 
 
+const char*
+Worker::Name() const
+{
+	return "worker";
+}
+
+
 status_t
 Worker::Run(BJob* job)
 {
@@ -110,6 +117,13 @@ MainWorker::Timeout() const
 }
 
 
+const char*
+MainWorker::Name() const
+{
+	return "main worker";
+}
+
+
 status_t
 MainWorker::Run(BJob* job)
 {

src/servers/launch/Worker.h

@@ -24,6 +24,7 @@ public:
 protected:
 	virtual	status_t			Process();
 	virtual	bigtime_t			Timeout() const;
+	virtual	const char*			Name() const;
 	virtual	status_t			Run(BJob* job);
 
 private:
@@ -41,6 +42,7 @@ public:
 
 protected:
 	virtual	bigtime_t			Timeout() const;
+	virtual	const char*			Name() const;
 	virtual	status_t			Run(BJob* job);
 
 private: