The sample program has two components: a kernel module and a user-space program. 示例程序有两个组件:一个内核模块和一个用户空间程序。
Should attemper the kernel line Cheng that the program handles limited amount. 该调度程序处理有限数量的内核线程。
The kernel provides only limited information back to the user program in the pt_regs and mcontext_t structure. 内核只是在ptregs和mcontextt结构体中为用户程序提供了有限的信息。
The pointer will have some random value that, with luck, will point into an area of memory that is not available to your program and the kernel will kill your program before it can do any damage. 这个指针会有一个随机值,如果运气好的话,它将会指向一个你程序不可用的内存区域,那麽内核将会在它造成什麽伤害前干掉你的程序。
To change architectures you need to edit the kernel makefile and rerun the Linux kernel configuration program. 要修改处理器结构则只需编辑核心的makefile并重新运行Linux核心配置程序。
And simple application, graphical application, user space driver and kernel space driver on Linux OS, and test program on bare metal, running on the platform, are all developed. 开发了此平台上运行在Linux操作系统上的的简单应用程序,图形化应用程序、用户空间驱动程序、内核空间驱动程序以及裸机上的测试程序。
The working principle of Linux network device driver program, the state after the network driver program being loaded, and the structure and the kernel technique of the network device driver program are studies. 分析了Linux系统中网络设备驱动程序的工作原理,阐述了网络驱动程序加载后的情况,探讨了Linux网络驱动程序的结构及核心技术。
Several difficult problems will emerge while linux operating system applies to PDA devices, such as how to boot kernel, how to develop driver program of devices, how to integrate root filesystem and so on. 嵌入式Linux操作系统应用于PDA设备时,会遇到几个主要技术难题,比如如何引导加载内核,如何开发设备驱动、如何架构文件系统等。
The module of sterilizer data collecting and controlling includes the data collecting electrocircuit and action controlling output electrocircuit. The emphasis of software is designing sterilizer kernel program. 灭菌数据采集和控制模块包括硬件的数据采集电路和动作控制输出电路,软件部分则重点设计核心灭菌程序。
Secondly, the security on the operation system kernel and security application program in the embedded system is rebuilt to guarantee the high security of the tightly coupled firewall. 为保证紧耦合防火墙的高安全性,对嵌入系统的操作系统内核和安全应用程序进行安全性改造;针对嵌入式系统资源有限的特点,优化了嵌入式系统的网络驱动性能和安全程序的性能;
The running management kernel tracks the information of program chart and adopts a mechanism which can interpret and process the program simultaneously. 运行管理内核实现程序图结构的信息流向跟踪,对程序运行采用边解释边执行机制。
That cognition is computation is the kernel of research program of cognitive science, but it has always been under attack from various directions. 认知的本质就是计算是认知科学研究纲领的核心,却一直遭到来自不同方面的责难和攻击。
First this paper introduce current status of research on real time Linux, and explain the method of develop kernel program and how to set up kernel debug environment, then analyze the new specific of Linux 2.6 real time capabilities. 本文首先概述了目前实时Linux的研究现状,然后介绍了开发内核程序的方法以及如何搭建内核开发调试环境,接下来分析了Linux2.6内核与实时性能相关的新特性。
A Simplex Method Based on Kernel Matrix of Linear Program 基于线性规划核心矩阵的单纯形算法
It is this paper's emphasis and also is the system's kernel that program automatic generates curvilinear font. 本文将研究重点放在程序自动生成模块上,这也是整个系统的核心所在。
For better system performances, we adopt some techniques to improve system's real-time performance, optimize parallelism of program using threads instead of processes, and realize kernel data integrity using reentrant program. 为了实现良好的系统性能,采取多种技巧提高系统的实时性,利用线程代替进程提高程序的并行度,运用代码的可重入性实现内核数据的完整性。
The process is marked with PID numbers in kernel program. 内核程序使用进程标识号(PID)标识过程。
We adopted some reasonable ways to simplify this kernel, and then reduced the influence on program execution. 我们采用多种合理的简化处理来精简内核,并减少内核对程序执行的影响。
Embedded system μ C/ OS-ⅱ is based on preferential real time kernel, which sustain much user program read easily, transplantable, code immovable, flexible. 嵌入式系统μC/OS-Ⅱ是一个基于优先级的抢占式实时内核,支持多用户任务,程序可读性好,移植性好,代码可固化,可裁剪,非常灵活。
As a whole the system may compart three modules: TDI drivers in the kernel mode, the dll program in the user mode and the user application program. 总体上说,该系统可以划分为以下三个模块:核心层的过滤驱动程序、用户模式下的封包截获程序及系统用户界面程序。
Again, and proposed follow-up analysis of these processes need to track the kernel functions and data structures to achieve the design of the Linux kernel debug program. 再次,提出了跟踪分析这些过程需要跟踪的内核函数和数据结构,实现了设计的Linux内核跟踪调试方案。
On this basis, the USB device driver development has been completed. The realization of porting the system including boot, Linux kernel, driver program and file system is done. 在此基础上,完成USB设备驱动程序的开发,实现了包括引导程序、Linux内核、驱动程序和文件系统在内的系统移植。
The Preprocessing Technology of Boundary Element Method ( BEM) is the precondition of BEM kernel program and Postprocessing program. 边界元的前处理技术是进行边界元核心程序计算,以及后处理实现的前提。
Through delaying cache of interrupt operation, interrupt-delay-queue method realizes asynchronous operation of interrupt program and kernel program of the OS to the key data. 中断延时队列技术通过对中断操作的缓存延时,实现了中断程序和操作系统的内核程序对关键数据的异步操作。
System driving program is the system trust part running on the operation system kernel. And it is the interface between application program and hardware, controlling the data exchange. 软件部分中,系统驱动程序是运行在操作系统内核的系统信任部分,是应用程序与硬件的接口,负责双方的数据交换。
Infrared touch screen software system has been developed based on the embedded real-time kernel μ COS-ⅱ. The program mainly contains the task of digital data collection for the analog signal of infrared receiver, the task of coordinate information of computing and the USB data communication. 红外触摸屏的软件系统是在精简的嵌入式实时内核μC/OS-Ⅱ基础上进行开发的,主要完成了红外接收管信号的数据采集、坐标信息的计算处理、USB通信等任务。
The embedded system is consisted of software and hardware. Development of software in embedded system could be divided into three parts: operating system kernel development, BSP driver development and upper application program development. 嵌入式系统开发主要分为软件开发和硬件开发,其中软件开发又分为操作系统内核开发、底层驱动程序开发和上层应用程序开发三个部分。
Provide the kernel to user space memory mapping and buffer management functions to use the kernel buffer efficiently Application program interface module: Set the filter rules. 同时提建内核到用户空间的内存映射与缓冲区的管理功能,实现内核缓冲区的高效率使用。应用程序接口模块:提供过滤规则的设置,网络数据包的读取及其他相关设置功能。
Secondly, track Linux kernel on simulation platform and data tracking program; to design the specific tracking program that is to track Linux kernel initialization process and the process creation and process scheduling process. 其次,提出了仿真平台上跟踪Linux内核的函数及数据跟踪方案,设计了跟踪Linux内核初始化过程及进程创建和进程调度过程的具体跟踪方案。