windows系统调用 线程 启动与挂起

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

#include "iostream"

#include "windows.h"

using
namespace std;

class
CWorkerThread{

public:

    CWorkerThread(LPCTSTR m_szName):m_szName(m_szName),m_hThread(INVALID_HANDLE_VALUE){

        m_hThread=CreateThread(

            NULL,

            0,

            ThreadProc,

            reinterpret_cast<LPVOID>(this),

            0,

            NULL

            );

    }

    virtual
~CWorkerThread(){CloseHandle(m_hThread);}

    virtual
void WaitForCompletion(){

        WaitForSingleObject(m_hThread,INFINITE);

    }

    virtual
void SetPriority(int
nPriority){

        SetThreadPriority(m_hThread,nPriority);

    }

    virtual
void Suspend(){

        SuspendThread(m_hThread);

    }

    virtual
void Resume(){

        ResumeThread(m_hThread);

    }

protected:

    static
DWORD WINAPI ThreadProc(LPVOID lpParam){

        CWorkerThread *pThis=

            reinterpret_cast<CWorkerThread*>(lpParam);

        pThis->DoStuff();

        return
(0);

    }

    virtual
void DoStuff(){

        for(int
n=0;n<10;n++){

            cout<<"Thread"<<m_szName<<"ID:"<<GetCurrentThreadId()<<",count"<<n<<endl;

        }

    }

protected:

    HANDLE m_hThread;

    LPCTSTR m_szName;

};

void
main(){

    CWorkerThread wtA("A");

    CWorkerThread wtB("B");

    wtA.SetPriority(THREAD_PRIORITY_LOWEST);

    wtB.Suspend();

    wtA.WaitForCompletion();

    wtB.Resume();

    wtB.WaitForCompletion();

    cout<<"Both threads complete."<<endl;

    getchar();

}