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Research and Implementation based on event-driven UNIX concurrency control algorithm

Author: YangHongKe
Tutor: ZuoGuoYong
School: Shaanxi Normal University
Course: Computer Software and Theory
Keywords: Event-driven Thread Complicating UNIX
CLC: TP316.81
Type: Master's thesis
Year: 2010
Downloads: 32
Quote: 0
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Abstract


With the rapid development of hardware technology and escalating , concurrent and real-time critical factors to measure the efficiency of the communication system , concurrency refers to multiple execution units at the same time , parallel execution ; real-time is very short response time , thread technology is one of the most important features of a modern operating system , the most powerful tool for the programmers to develop high-performance concurrent program to meet the needs of users ; Therefore , multi-threaded concurrency control algorithm has become an important issue for everyone . A UNIX operating system to support multi-user , multi-tasking , pay attention to the real-time , concurrency , stable operating system functions , it is a generic interactive time-sharing operating system is the hardware platform to run one of the most widely used operating system , the UNIX operating system is often used as the server of the communication system to be developed using . In addition , the UNIX operating system provides a C language library to implement a series of complex functional operation , so the UNIX operating system has become the first choice for the majority of users the system design . Currently , the communication system used by the server is basically the UNIX family of operating systems , which requires the algorithm used by the server processing tasks must be UNIX-based algorithms . Basic algorithms for concurrency control algorithm design as a communication system , the UNIX concurrency control algorithm research has become a research focus of the algorithm . In order to improve the efficiency and stability of the operation of the communication system , the article describes the concurrency control algorithm research background to understand the current concurrency control algorithm technology , the use of multi-threaded , multi- queue thread pool technology UNIX -based event-driven concurrency the control algorithm , it is an asynchronous multi-threaded concurrency control algorithm , allows multiple users to communicate and exchange real-time with the device , and then through the C language implementation to ensure the system 's real-time , concurrency and stability . The experiments show that , based on event-driven concurrency control algorithm can improve the real-time nature of the system , concurrency and stability , improve the efficiency of the system has great feasibility in communication design .

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