Kernel data structures(核心数据结构) Kernel keeps state info for 1/0 components, including open file tables, network connections, character device state (核心保存着o组件的状态,包括打开文件表,网络连接,字符 设备状态) Many, many complex data structures to track buffers, memory allocation, "dirty" blocks (许多的数据结构是为了记录缓冲,内存分配和“脏”块) Some use object-oriented methods and message passing to implement l/O(有些用面向对象的方法和消息机制来实现o) Applied Operating System Concepts Silberschatz, Galvin, and Gagne @199912.16 Silberschatz, Galvin, and Gagne ©1999 Applied Operating System Concepts Kernel Data Structures（核心数据结构） • Kernel keeps state info for I/O components, including open file tables, network connections, character device state （核心保存着I/O组件的状态，包括打开文件表，网络连接，字符 设备状态） • Many, many complex data structures to track buffers, memory allocation, “dirty” blocks （许多的数据结构是为了记录缓冲，内存分配和“脏”块） • Some use object-oriented methods and message passing to implement I/O（有些用面向对象的方法和消息机制来实现I/O）