kernel.h

来自「一个更为先进的嵌入式操作系统.采用RMS线程调度算法,具有信号量等同步对象.亦包」· C头文件 代码 · 共 39 行

#ifndef _GOS_KERNEL_H_
#define _GOS_KERNEL_H_

#define EnableSwitchThread() g_pKernel->UnlockSwitch()
#define DisableSwitchThread() g_pKernel->LockSwitch()
#define GetCurrentThread() g_pKernel->GetCur()

enum _tagKernel
{
	ThreadSwitchInterval=200,
};

class CKernel : public CThread
{
public:
	static BOOL SwitchThread();
	static BOOL ThreadTableAdd(CThread* pThread,int nPriority);
	static BOOL ThreadTableRemove(CThread* pThread);
	static BOOL SetPriority(CThread* pThread,int nPriority);
	static void LockSwitch(){m_bLockSwitch=TRUE;}
	static void UnlockSwitch();
	static PVOID MemoryAlloc(PVOID pBlock,DWORD nSize);
	static CThread* GetCur(){return m_pCurThread;}
	static BOOL GetSwitchTime(){return m_nSwitchTime;}
	static BOOL IsLockSwitch(){return m_bLockSwitch;}
	static CHeap& GetCurHeap(){return m_pCurThread->m_heap;}
public:
	BOOL CreateThread(PVOID pParam);
	BOOL ExitThread(DWORD dwExitCode);
private:
	static BOOL m_bLockSwitch;
	static DWORD m_nSwitchTime;
	static CThread* m_pCurThread;
	static CThread* m_aThreadTable;
	static CCriticalSection m_klock;
};
extern CKernel* g_pKernel;

#endif //_GOS_KERNEL_H_