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/// \file engine/scheduler_fwd.hpp
/// Forward declarations for engine/scheduler.hpp

#if !defined(ENGINE_SCHEDULER_FWD_HPP)
#define ENGINE_SCHEDULER_FWD_HPP

#include <memory>

namespace engine {
namespace scheduler {


/// Unique identifier for in-flight execution operations.
///
/// TODO(jmmv): Might be worth to drop altogether and just use "int".  The type
/// difference with executor::exec_handle is confusing.
typedef int exec_handle;


class scheduler_handle;
class interface;
class result_handle;
class test_result_handle;


/// Pointer to a dynamically-allocated result_handle.
typedef std::shared_ptr< result_handle > result_handle_ptr;


}  // namespace scheduler
}  // namespace engine

#endif  // !defined(ENGINE_SCHEDULER_FWD_HPP)