摘要
本文简要介绍了4.2BSD文件系统的特点,分析了HT—RTU过程(UNIX实时化)中利用文件系统限额机制通过增加一条系统调用并在底层I/O模块进行优化,完成文件预分配功能的原理和实现方法。
The article describes the characteristics of file preallocaittion function inHT-RTU, which is real-time operating system improved on UNIX. Then, it discusses theprinciple and method of file preallocation which is implemented by adding a systemcall andoptimizing the I/O module.
出处
《计算机工程与设计》
CSCD
北大核心
1992年第3期102-106,89,共6页
Computer Engineering and Design