-
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
- 2022-02-06 09:26:49下载
- 积分:1
-
Secret of windows programming about 95 VxD programming
Secret of windows 95 programming about VxD programming-Secret of windows programming about 95 VxD programming
- 2022-02-25 07:23:31下载
- 积分:1
-
Verilog语言,nios最小系统,在DE2板上测试成功
Verilog语言,nios最小系统,在DE2板上测试成功-Verilog language, nios minimum system, tested successfully in the DE2 board
- 2022-04-12 07:03:55下载
- 积分:1
-
Nucleus Plus PowerPC移植代码 PPC850
Nucleus Plus PowerPC移植代码 PPC850-Nucleus Plus PPC850
- 2022-07-17 03:42:23下载
- 积分:1
-
实现一个简单的视频聊天,请放心下载,不含插件
实现一个简单的视频聊天,请放心下载,不含插件-Realize a simple video chat, please rest assured download, free plug-ins
- 2022-02-10 05:43:47下载
- 积分:1
-
Windows操作系统实验--内存监视
实验要求:设计一个内存监视器,能实时地显示当前系统中内存的使用情况,包括系统地址空间的布局,物理内存的使用情况;能实时显示某个进程的虚拟地址空间布局和工作集信息等。
- 2022-05-26 11:19:28下载
- 积分:1
-
总线驱动程序代码。
can bus driver code.
- 2022-03-06 05:53:23下载
- 积分:1
-
关于unix操作系统的最经典的一部电子英文版的书,主要含有关于unix环境下的经典编程...
关于unix操作系统的最经典的一部电子英文版的书,主要含有关于unix环境下的经典编程-Unix operating system on the most classic of the English version of an electronic book, containing mainly on classic unix programming environment
- 2022-06-03 05:55:48下载
- 积分:1
-
DES
如果其他会员下载一次您上传的源码,您的可用下载数就会增加1次。更多说明请参看-DES
- 2022-05-07 01:24:01下载
- 积分:1
-
文件目录管理适应用于对系统文件的模拟。很经典的。欢迎下载...
文件目录管理适应用于对系统文件的模拟。很经典的。欢迎下载-File directory management to adapt to system files used for simulation. Very classic. Welcome to download
- 2022-06-03 00:43:12下载
- 积分:1