有关多线程多线程编程实例VC源码资源-CSDN文库

共22个文件

h：6个

cpp：5个

clw：1个

4星 · 超过85%的资源需积分: 10 150 浏览量 2010-08-30 16:27:19 上传评论 2 收藏 33KB ZIP 举报

在计算机编程领域，多线程是一种让程序同时执行多个任务的技术。通过多线程，开发者可以提高应用程序的效率，使其能够充分利用多核处理器的优势。在本篇内容中，我们将深入探讨多线程的概念，以及如何在VC++环境中实现多线程编程。多线程允许程序在单个进程中创建多个执行线程，每个线程都可以独立地运行代码。这种并行执行的能力使得程序可以在等待I/O操作（如网络通信或磁盘读写）时，同时执行其他任务，从而提高系统的整体响应速度。在VC++（Visual C++）环境下，我们可以使用Windows API或者C++标准库中的`std::thread`来创建和管理线程。Windows API中的`CreateThread`函数用于创建新的线程，而`std::thread`是C++11引入的线程库，它提供了一种更高级且易于使用的接口。下面是一个简单的使用`CreateThread`的例子： ```cpp #include <windows.h> DWORD WINAPI ThreadFunction(LPVOID lpParam) { // 这里是新线程执行的代码 return 0; } int main() { HANDLE hThread = CreateThread(NULL, 0, ThreadFunction, NULL, 0, NULL); if (hThread != NULL) { // 等待新线程结束 WaitForSingleObject(hThread, INFINITE); CloseHandle(hThread); } return 0; } ``` 在上述代码中，`ThreadFunction`是新线程执行的函数，`CreateThread`函数创建了一个新线程并启动执行。`WaitForSingleObject`函数用于主线程等待新线程结束，而`CloseHandle`则用于释放线程句柄。使用`std::thread`的例子则更为简洁： ```cpp #include <iostream> #include <thread> void thread_function() { // 新线程执行的代码 } int main() { std::thread t(thread_function); t.join(); // 等待新线程结束 return 0; } ``` 在这个例子中，`std::thread`构造函数创建了一个新线程，并在`t.join()`中等待其结束。在实际应用中，多线程编程还需要考虑线程同步问题，以防止数据竞争和死锁的发生。Windows API提供了诸如`Mutex`、`Semaphore`、`CriticalSection`等同步对象，而C++11则提供了`std::mutex`、`std::condition_variable`等同步工具。在"MultiThread7用户界面线程"这个压缩包文件中，很可能是包含了演示如何在用户界面线程（UI线程）中创建并管理后台线程的VC源码实例。UI线程通常负责处理用户的交互，而后台线程则用于执行耗时任务，以避免阻塞UI。通过学习这个实例，你可以了解如何在Windows应用程序中正确地处理多线程，确保UI的响应性和线程安全。多线程编程在现代软件开发中起着至关重要的作用，尤其是在需要高性能和高并发性的场景下。VC++为开发者提供了丰富的工具和API，使得多线程编程变得更为便捷。通过深入研究和实践提供的源码实例，你将能够更好地理解和掌握这一关键技术。

资源推荐

资源详情

资源评论

收起资源包目录

MultiThread7用户界面线程.zip （22个子文件）

MultiThread7用户界面线程

MultiThread7.plg 258B

MultiThread7.rc 5KB

StdAfx.cpp 214B

resource.h 597B

MultiThread7.clw 1KB

MultiThread7.dsp 4KB

UIThread.h 1KB

MultiThread7.ncb 57KB

MultiThread7.cpp 2KB

MultiThread7.h 1KB

UIThreadDlg.cpp 1KB

MultiThread7Dlg.cpp 3KB

ReadMe.txt 4KB

StdAfx.h 1KB

MultiThread7Dlg.h 1KB

MultiThread7.dsw 549B

UIThread.cpp 1KB

MultiThread7.aps 34KB

res

MultiThread7.ico 1KB

MultiThread7.rc2 404B

UIThreadDlg.h 1KB

MultiThread7.opt 55KB

======================================================================== MICROSOFT FOUNDATION CLASS LIBRARY : MultiThread7 ======================================================================== AppWizard has created this MultiThread7 application for you. This application not only demonstrates the basics of using the Microsoft Foundation classes but is also a starting point for writing your application. This file contains a summary of what you will find in each of the files that make up your MultiThread7 application. MultiThread7.dsp This file (the project file) contains information at the project level and is used to build a single project or subproject. Other users can share the project (.dsp) file, but they should export the makefiles locally. MultiThread7.h This is the main header file for the application. It includes other project specific headers (including Resource.h) and declares the CMultiThread7App application class. MultiThread7.cpp This is the main application source file that contains the application class CMultiThread7App. MultiThread7.rc This is a listing of all of the Microsoft Windows resources that the program uses. It includes the icons, bitmaps, and cursors that are stored in the RES subdirectory. This file can be directly edited in Microsoft Visual C++. MultiThread7.clw This file contains information used by ClassWizard to edit existing classes or add new classes. ClassWizard also uses this file to store information needed to create and edit message maps and dialog data maps and to create prototype member functions. res\MultiThread7.ico This is an icon file, which is used as the application's icon. This icon is included by the main resource file MultiThread7.rc. res\MultiThread7.rc2 This file contains resources that are not edited by Microsoft Visual C++. You should place all resources not editable by the resource editor in this file. ///////////////////////////////////////////////////////////////////////////// AppWizard creates one dialog class: MultiThread7Dlg.h, MultiThread7Dlg.cpp - the dialog These files contain your CMultiThread7Dlg class. This class defines the behavior of your application's main dialog. The dialog's template is in MultiThread7.rc, which can be edited in Microsoft Visual C++. ///////////////////////////////////////////////////////////////////////////// Other standard files: StdAfx.h, StdAfx.cpp These files are used to build a precompiled header (PCH) file named MultiThread7.pch and a precompiled types file named StdAfx.obj. Resource.h This is the standard header file, which defines new resource IDs. Microsoft Visual C++ reads and updates this file. ///////////////////////////////////////////////////////////////////////////// Other notes: AppWizard uses "TODO:" to indicate parts of the source code you should add to or customize. If your application uses MFC in a shared DLL, and your application is in a language other than the operating system's current language, you will need to copy the corresponding localized resources MFC42XXX.DLL from the Microsoft Visual C++ CD-ROM onto the system or system32 directory, and rename it to be MFCLOC.DLL. ("XXX" stands for the language abbreviation. For example, MFC42DEU.DLL contains resources translated to German.) If you don't do this, some of the UI elements of your application will remain in the language of the operating system. /////////////////////////////////////////////////////////////////////////////

评论收藏

内容反馈