#include <list>
#include <boost/thread/mutex.hpp>
+#include <boost/signals2.hpp>
class Job;
/** @class JobManager
* @brief A simple scheduler for jobs.
- *
- * JobManager simply keeps a list of pending jobs, and assumes that all the jobs
- * are sufficiently CPU intensive that there is no point running them in parallel;
- * so jobs are just run one after the other.
*/
class JobManager
{
public:
- void add (boost::shared_ptr<Job>);
+ boost::shared_ptr<Job> add (boost::shared_ptr<Job>);
void add_after (boost::shared_ptr<Job> after, boost::shared_ptr<Job> j);
std::list<boost::shared_ptr<Job> > get () const;
bool work_to_do () const;
+ bool errors () const;
+
+ boost::signals2::signal<void (bool)> ActiveJobsChanged;
static JobManager* instance ();
mutable boost::mutex _mutex;
std::list<boost::shared_ptr<Job> > _jobs;
+ bool _last_active_jobs;
+
static JobManager* _instance;
};