sourcemod/extensions/threader/thread/BaseWorker.h
David Anderson efe93fa470 initial import of threading extension
--HG--
extra : convert_revision : svn%3A39bc706e-5318-0410-9160-8a85361fbb7c/trunk%40327
2007-01-19 04:35:56 +00:00

73 lines
2.1 KiB
C++

#ifndef _INCLUDE_SOURCEMOD_BASEWORKER_H
#define _INCLUDE_SOURCEMOD_BASEWORKER_H
#include "sh_list.h"
#include "ThreadSupport.h"
#define SM_DEFAULT_THREADS_PER_FRAME 1
class BaseWorker;
//SW = Simple Wrapper
class SWThreadHandle : public IThreadHandle
{
friend class BaseWorker;
public:
SWThreadHandle(IThreadCreator *parent, const ThreadParams *p, IThread *thread);
IThread *GetThread();
public:
//NOTE: We don't support this by default.
//It's specific usage that'd require many mutexes
virtual bool WaitForThread();
public:
virtual void DestroyThis();
virtual IThreadCreator *Parent();
virtual void GetParams(ThreadParams *ptparams);
public:
//Priorities not supported by default.
virtual ThreadPriority GetPriority();
virtual bool SetPriority(ThreadPriority prio);
public:
virtual ThreadState GetState();
virtual bool Unpause();
private:
ThreadState m_state;
ThreadParams m_params;
IThreadCreator *m_parent;
IThread *pThread;
};
class BaseWorker : public IThreadWorker
{
public:
BaseWorker();
virtual ~BaseWorker();
public: //IWorker
virtual unsigned int RunFrame();
//Controls the worker
virtual bool Pause();
virtual bool Unpause();
virtual bool Start();
virtual bool Stop(bool flush_cancel);
//Flushes out any remaining threads
virtual unsigned int Flush(bool flush_cancel);
//returns status and number of threads in queue
virtual WorkerState GetStatus(unsigned int *numThreads);
public: //IThreadCreator
virtual void MakeThread(IThread *pThread);
virtual IThreadHandle *MakeThread(IThread *pThread, ThreadFlags flags);
virtual IThreadHandle *MakeThread(IThread *pThread, const ThreadParams *params);
virtual void GetPriorityBounds(ThreadPriority &max, ThreadPriority &min);
public: //BaseWorker
virtual void AddThreadToQueue(SWThreadHandle *pHandle);
virtual SWThreadHandle *PopThreadFromQueue();
virtual void SetMaxThreadsPerFrame(unsigned int threads);
virtual unsigned int GetMaxThreadsPerFrame();
protected:
SourceHook::List<SWThreadHandle *> m_ThreadQueue;
unsigned int m_perFrame;
volatile WorkerState m_state;
};
#endif //_INCLUDE_SOURCEMOD_BASEWORKER_H