initial import

dlls/mysqlx/thread/BaseWorker.h

@@ -0,0 +1,72 @@
+#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 IWorker
+{
+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