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线程的同步
虽然多线程能给我们带来好处,但是也有不少问题需要解决。例如,对于像磁盘驱动器这样独占性系统资源,由于线程可以执行进程的任何代码段,且线程的运...
线程的同步
虽然多线程能给我们带来好处,但是也有不少问题需要解决。例如,对于像磁盘驱动器这样独占性系统资源,由于线程可以执行进程的任何代码段,且线程的运行是由系统调度自动完成的,具有一定的不确定性,因此就有可能出现两个线程同时对磁盘驱动器进行操作,从而出现操作错误;又例如,对于银行系统的计算机来说,可能使用一个线程来更新其用户数据库,而用另外一个线程来读取数据库以响应储户的需要,极有可能读数据库的线程读取的是未完全更新的数据库,因为可能在读的时候只有一部分数据被更新过。-thread synchronization Although multithreading can bring us benefits, but there a lso many problems to be solved. For example, as disk drives such exclusivity system resources and can thread the process of implementation of any code, and the thread running by the scheduling system automatically and to a certain extent the uncertainty, So, then there could be two threads while the disk drives operate, which have operational errors; For example, For the computer banking system, may use a thread to update users of its database, and use another thread to read a database to respond to the needs of depositors, Reading is very likely to read threads database is not fully update the database, Reading may be because the time was only part of the updated dat
- 2022-03-26 17:09:07下载
- 积分:1
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这个是一个关于多线程的程序线程其实是计算机运行的最小单位...
这个是一个关于多线程的程序线程其实是计算机运行的最小单位-This is a multi-threaded on the procedures thread is the smallest computer operating units
- 2023-03-18 07:25:03下载
- 积分:1
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一个比较简单的Windows进程管理器源代码,仅供参考
一个比较简单的Windows进程管理器源代码,仅供参考-a relatively simple process management for Windows source code, for information purposes only
- 2022-03-21 13:01:23下载
- 积分:1
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本实验要求用高级语言编写和调试一个简单的银行家算法程序。加深了解有关资源申请、避免死锁等概念,并体会和了解死锁和避免死锁的具体实施方法。...
本实验要求用高级语言编写和调试一个简单的银行家算法程序。加深了解有关资源申请、避免死锁等概念,并体会和了解死锁和避免死锁的具体实施方法。-asked to use the experimental high-level language debugging and prepared a simple algorithm bankers procedures. A better understanding of the application of resources to avoid deadlock concepts, and experience and understanding of deadlock and avoid deadlock the specific implementation measures.
- 2023-06-18 13:45:04下载
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实现了C++中的协程机制,对于支持动态脚本的
C++代码比较有用,请参见我的博客文章
http://www.cublog.cn/u/16663/show...
实现了C++中的协程机制,对于支持动态脚本的
C++代码比较有用,请参见我的博客文章
http://www.cublog.cn/u/16663/showart.php?id=148848-realization of the C-HS mechanism for supporting dynamic script more useful C code, Please see my blog article http :// www.cublog.cn/u/16663/showart.php id = 14 8848
- 2022-07-23 13:29:37下载
- 积分:1
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创建一个子进程并接收子进程的消息和输出信息
创建一个子进程并接收子进程的消息和输出信息- Founds a child process and receives the child process the news
and the output information
- 2022-04-07 03:12:03下载
- 积分:1
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Multi
多线程编程指南,sun公司出品,很不错。-Multi-threaded programming guide, sun products company, is pretty good.
- 2022-02-03 22:39:03下载
- 积分:1
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本节允许您浏览未经压缩文件中包含的文件…
This section allows you to browse the files contained within a ZIP file without having to download it first. The file list below shows all of the files those that are in a text format that we recognize the extension for (e.g. source code files) are linked to a page where you can view the contents of the file. -This section allows you to browse the files contained within a ZIP file without having to do wnload it first. The file list below shows all of the files those that are in a text format that we r ecognize the extension for (e.g. source code fi les) are linked to a page where you can view the co ntents of the file.
- 2022-01-25 14:39:34下载
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多线程网络IP扫描(SNMP)
非常快。
多线程网络IP扫描(SNMP)
非常快。-Multi-threaded IP scanning the network (SNMP) very quickly.
- 2022-03-19 14:00:56下载
- 积分:1
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实践指南,STL
Practic Guides to STL
- 2022-08-14 21:10:38下载
- 积分:1