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//
// Copyright (c) 2010-2011, Industrial Light & Magic, a division of Lucas
// Digital Ltd. LLC
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#ifndef _PyImathTask_h_
#define _PyImathTask_h_

#include "PyImathExport.h"
#include <cstddef>

namespace PyImath {

struct Task
{
    PYIMATH_EXPORT virtual ~Task() {}
    PYIMATH_EXPORT virtual void execute(size_t start,size_t end) = 0;
    PYIMATH_EXPORT virtual void execute(size_t start,size_t end, int tid) {execute(start,end);}
};

struct WorkerPool
{
    PYIMATH_EXPORT virtual ~WorkerPool() {}
    PYIMATH_EXPORT virtual size_t workers() const = 0;
    PYIMATH_EXPORT virtual void dispatch(Task &task,size_t length) = 0;
    PYIMATH_EXPORT virtual bool inWorkerThread() const = 0;

    PYIMATH_EXPORT static WorkerPool *currentPool();
    PYIMATH_EXPORT static void setCurrentPool(WorkerPool *pool);
};

PYIMATH_EXPORT void dispatchTask(Task &task,size_t length);
PYIMATH_EXPORT size_t workers();

}

#endif
