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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 <unistd.h>

namespace PyImath {

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

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

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

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

}

#endif