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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
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单处理机调度包括时间片轮转法,短作业优先算法,动态优先算法。...
单处理机调度包括时间片轮转法,短作业优先算法,动态优先算法。- The single processor dispatch rotates the law including the
time piece, short work first algorithm, dynamic first algorithm.
- 2022-01-25 16:29:21下载
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先来先服务(FCFS)算法、短作业优先(SJF)算法、高响应比(HRN)算法和高优先权优先算法是作业调度中经常采用的,通过上述算法的模拟加深对作业控制快JCB的...
先来先服务(FCFS)算法、短作业优先(SJF)算法、高响应比(HRN)算法和高优先权优先算法是作业调度中经常采用的,通过上述算法的模拟加深对作业控制快JCB的理解和作业调度过程的实现技巧-job jobjob jobjob jobjob jobjob jobjob jobjob jobjob jobjob job
- 2022-08-14 08:21:04下载
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This is a multi
这是个多线程编程的参考说明,可供初学者学习。-This is a multi-threaded programming advisory notes, for beginners to learn.
- 2022-06-16 06:03:59下载
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This release 0.7 (late beta) of LinuxThreads, a BiCapitalized implementation of...
This release 0.7 (late beta) of LinuxThreads, a BiCapitalized implementation of the Posix 1003.1c "pthread" interface for Linux. LinuxThreads provides kernel-level threads: each thread is a separate Unix process, sharing its address space with the other threads through the new system call clone(). Scheduling between threads is handled by the kernel scheduler, just like scheduling between Unix processes.
- 2022-12-05 05:20:03下载
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This procedure is the operating system, curriculum design, the process of schedu...
本程序是操作系统课程设计,进程调度演示源程序,在windows下模拟进程的调度.-This procedure is the operating system, curriculum design, the process of scheduling demo source code, under the simulation process in the windows scheduler.
- 2022-05-23 15:10:08下载
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得到的过程,创造的过程,删除过程,过程管理
获取流程、创建流程、删除流程、流程管理器
- 2023-05-18 10:25:03下载
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断链隐藏进程易[源码],用语言写的小玩意~希望有所帮助
断链隐藏进程易[源码],用语言写的小玩意~希望有所帮助-Easy to hide the process chain [source], written in language gadgets ~ hope that help
- 2022-03-21 02:10:56下载
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窗口多线程编程最基本的介绍实例
windows多线程编程最基础的入门例子-windows multithreaded programming most basic introductory examples
- 2022-02-24 13:50:42下载
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一种实现多线程的方法,值得一看
一种实现多线程的方法,值得一看-a multi-threaded approach, an eye-catcher
- 2023-01-05 17:05:04下载
- 积分:1