GetThreadContext和SetThreadContext

 

#include "stdafx.h" #include <iostream> #include <windows.h>

using namespace std; DWORD WINAPI ThreadProc(LPVOID lpParamter) { for (int i = 0;i<10;i++) { Sleep(1000); printf("ThreadProc1********* %d\n",i); } return 0; } DWORD WINAPI ThreadProc1(LPVOID lpParamter) { for (int i = 0;i<50;i++) { Sleep(100); printf("ThreadProc1********* %d\n",i); } return 0; } DWORD WINAPI ThreadProc2(LPVOID lpParamter) { for (int j = 0;j<50;j++) { Sleep(50); printf("ThreadProc2********* %d\n",j); } return 5; } int main() { //unsigned long ulThreadId = 0;
    HANDLE hThread[2]; DWORD dwr1; DWORD dwr2; hThread[0] = CreateThread(NULL, 0, ThreadProc1, NULL, 0, NULL); //hThread[1] = CreateThread(NULL, 0, ThreadProc2, NULL, 0, NULL); //Sleep(2000);
    SuspendThread(hThread[0]); CONTEXT context; context.ContextFlags = CONTEXT_INTEGER;

　　//从线程获取寄存器的值存入context GetThreadContext(hThread[0],&context); printf("%x -- %x\n",context.Eax,context.Ecx); context.Eax = 1; context.Ecx = 2;

　　//把修改好的context传入thread SetThreadContext(hThread[0],&context); printf("%x -- %x\n",context.Eax,context.Ecx); GetThreadContext(hThread[0],&context); printf("%x -- %x\n",context.Eax,context.Ecx); ResumeThread(hThread[0]); // WaitForMultipleObjects(2,hThread,TRUE,INFINITE); // GetExitCodeThread(hThread[0],&dwr1); // GetExitCodeThread(hThread[1],&dwr2);
 cout << "线程结束了！" <<endl; getchar(); CloseHandle(hThread[0]); CloseHandle(hThread[1]); //system("pause");
    return 0; }