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通过研究Linux的线程机制和信号量实现读者写者(Reader
通过研究Linux的线程机制和信号量实现读者写者(Reader-Writer)问题并发控制。
1)写-写互斥:不能有两个写者同时进行写操作;
2)读-写互斥:不能同时有一个线程在读,而另一个线程在写;
3)读-读允许:可以有一个或多个读者在读;
4)读者优先的附加限制:如果读者申请进行读操作时已有另一个读者正在进行读操作,则该读者可直接开始读操作;
5)写者优先的附加限制:如果一个读者申请进行读操作时已有另一个写者在等待访问共享资源,则该读者必须等到没有写者处于等待状态后才能开始读操作。
-By studying the Linux thread mechanism and semaphores realize readers who write (Reader-Writer) the issue of concurrency control. 1) to write- write mutex: Can not write at the same time there are two write operations 2) read- write mutex: Can not have a thread at the same time in reading and writing another thread 3) Reading- Reading of permit: can have one or more readers read 4) the priority of additional restrictions readers: If the readers apply for a read operation, there was another reader being read, the reader can be directly started reading operation 5) to write additional priority Restrictions: If an application for a reader reading write operation has been in waiting for another visit to a shared resource, the read
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The kernel compiled with C
The kernel compiled with C
- 2022-01-30 13:59:28下载
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demonstration of the code used to achieve critical thread synchronization.
本代码演示了利用临界区实现线程的同步。-demonstration of the code used to achieve critical thread synchronization.
- 2022-05-13 10:24:55下载
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操作系统中作业调度程序
操作系统中作业调度程序 -operating system scheduling procedures
- 2022-08-03 04:57:00下载
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T-Kernel Driver Sample
T-Kernel Driver Sample-T-Kernel Driver Sample
- 2022-08-19 03:50:16下载
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吉民人事管理系统 VB
开发较为完善的VB小程序,能够满足人事管理系统的基本操作。主要功能包括基本界面,基本人事档案管理,人员资料管理,工资发放管理,人员岗位管理等。
- 2022-07-14 23:36:21下载
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VMware的中文课,你想让你的电脑变成多
vmware中文教程,你想让你的电脑变成多台进行使用吗?你也为没有多台电脑在多平台环境下进行C/S或B/S编程感到苦恼吗?请参考该文档,可以轻松解决你的问题,让你彻底发挥你的电脑的功能,可以一台变成多台并且在多个操作系统平台下进行使用。-vmware Chinese Course, you want your computer into a multi-use it? You do not have more than one computer in the multi-platform environment for C/S or B/S Programming is upset about it? Please refer to the document, you can easily solve your problem, let you play the complete function of your computer, you can 1 Taiwan into a multiple operating system platforms and in multiple use under.
- 2022-03-19 16:04:14下载
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Motion Control VC example demo1001c01w9xw2km02
运动控制VC实例demo1001c01w9xw2km02-Motion Control VC example demo1001c01w9xw2km02
- 2022-06-13 07:03:00下载
- 积分:1
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Linux0.07版本的源代码,很经典的,对于初学者有很大的帮助,不可不看。...
Linux0.07版本的源代码,很经典的,对于初学者有很大的帮助,不可不看。-linux version 0.07 source code, very classic, helpful to the beginner.
- 2022-03-21 00:16:10下载
- 积分:1
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蓝牙blue tooth sco协议栈,在Linux操作系统下编译,该协议栈提供了有用工具来配置模块参数...
蓝牙blue tooth sco协议栈,在Linux操作系统下编译,该协议栈提供了有用工具来配置模块参数-blue tooth Merom Bluetooth protocol stack, the compiler under Linux operating system, The protocol stack provides a useful tool to configure parameters module
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