已初始化读写数据段(RW data):已初始化数据是在程序中声明,并且具有初值的变量,这些变量需要占用存储器的空间,在程序执行时它们需要位于可读写的内存区域...
基于320个网页-相关网页
用特殊的系统调用(即对UNIX内核的请求)分配和释放内存并设置权限;通过一般的读写操作读写内存段中的数据。
Special system calls, or requests to the UNIX kernel, allocate and free the memory and set permissions; common read and write operations put and get data from the region.
本文综述了LFS的数据结构和磁盘布局,及空闲空间管理、读写机制、段清洁机制与策略等。
LFS data structure, disk layout, free space management, access mechanism and segment cleaning mechanism were summarized.
应用推荐