ddnet/src/engine/shared/jobs.h

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/* (c) Magnus Auvinen. See licence.txt in the root of the distribution for more information. */
/* If you are missing that file, acquire a complete release at teeworlds.com. */
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#ifndef ENGINE_SHARED_JOBS_H
#define ENGINE_SHARED_JOBS_H
typedef int (*JOBFUNC)(void *pData);
class CJobPool;
class CJob
{
friend class CJobPool;
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CJob *m_pPrev;
CJob *m_pNext;
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volatile int m_Status;
volatile int m_Result;
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JOBFUNC m_pfnFunc;
void *m_pFuncData;
public:
CJob()
{
m_Status = STATE_DONE;
m_pFuncData = 0;
}
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enum
{
STATE_PENDING=0,
STATE_RUNNING,
STATE_DONE
};
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int Status() const { return m_Status; }
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int Result() const { return m_Result; }
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};
class CJobPool
{
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enum
{
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MAX_THREADS=32
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};
int m_NumThreads;
void *m_apThreads[MAX_THREADS];
volatile bool m_Shutdown;
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LOCK m_Lock;
SEMAPHORE m_Semaphore;
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CJob *m_pFirstJob;
CJob *m_pLastJob;
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static void WorkerThread(void *pUser);
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public:
CJobPool();
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~CJobPool();
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int Init(int NumThreads);
int Add(CJob *pJob, JOBFUNC pfnFunc, void *pData);
};
#endif