实验: 多线程控制台程序响应命令输入

最新推荐文章于 2025-09-15 12:31:35 发布

原创最新推荐文章于 2025-09-15 12:31:35 发布 · 1.8k 阅读

1 ·

CC 4.0 BY-SA版权

文章标签：

#多线程 #keyboard #delete #struct #null

本文介绍了一个使用C++实现的多线程控制台应用程序案例，通过两个线程分别进行主循环处理和键盘输入监听，实现了基本的线程间同步与通信。程序展示了如何创建和管理线程，以及如何利用条件变量来控制线程的运行。

// ConsoleCmdInput.cpp : Defines the entry point for the console application. // #include "stdafx.h" #include <windows.h> #include <crtdbg.h> #include <stdlib.h> #include <stdio.h> #include <process.h> /* _beginthread, _endthread */ #pragma comment(lib, "MSVCRTD.LIB") void threadFn_KeyBoard(void * pPara); void threadFn_MainLoop(void * pPara); struct structThreadControl { CRITICAL_SECTION sectionLock; BOOL bRun; structThreadControl() { Init(); } void Init() { bRun = TRUE; InitializeCriticalSection(&sectionLock); } void UnInit() { DeleteCriticalSection(&sectionLock); } void SetRunFlag(BOOL bIn) { EnterCriticalSection(&sectionLock); bRun = bIn; LeaveCriticalSection(&sectionLock); } BOOL IsRunContinue() { BOOL bRc = FALSE; EnterCriticalSection(&sectionLock); bRc = bRun; LeaveCriticalSection(&sectionLock); return bRc; } }; int main(int argc, char* argv[]) { HANDLE hThreadFn_MainLoop = NULL; HANDLE hThreadFn_KeyBoard = NULL; printf("Hello World!/n"); structThreadControl ThreadPara; ThreadPara.SetRunFlag(TRUE); hThreadFn_MainLoop = (HANDLE)_beginthread(threadFn_MainLoop, 0, (void *)(&ThreadPara)); hThreadFn_KeyBoard = (HANDLE)_beginthread(threadFn_KeyBoard, 0, (void *)(&ThreadPara)); int HandleEventCnt = 2; HANDLE * pHandleEvent = new HANDLE[HandleEventCnt]; *(pHandleEvent + 0) = hThreadFn_MainLoop; *(pHandleEvent + 1) = hThreadFn_KeyBoard; WaitForMultipleObjects(HandleEventCnt, pHandleEvent, TRUE, INFINITE); ThreadPara.UnInit(); CloseHandle(*(pHandleEvent + 0)); CloseHandle(*(pHandleEvent + 1)); delete []pHandleEvent; return 0; } void threadFn_MainLoop(void * pPara) { _ASSERT(pPara); structThreadControl * ThreadPara = (structThreadControl *)pPara; printf("will entry threadFn_MainLoop's loop/n"); while(ThreadPara->IsRunContinue()) { //do some thing Sleep(10); } _endthreadex(1); } void threadFn_KeyBoard(void * pPara) { _ASSERT(pPara); structThreadControl * ThreadPara = (structThreadControl *)pPara; char * pUsrInput = new char[1024]; while(1) { printf("/n/n输入'quit'字符串退出ftp服务程序/n"); memset(pUsrInput, 0, 1024); gets(pUsrInput); if(0 == strcmp(pUsrInput, "quit")) { ThreadPara->SetRunFlag(FALSE); break; } Sleep(10); } delete pUsrInput; pUsrInput = NULL; _endthreadex(2); }