Rr embedded systems linux system programming and kernel internals

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Linux System Programming And Kernel Internals

OS Introduction• Linux Architecture• Application• Shell and Services• System Calls• Error Handling


Library• Linker and Loader• Static and Dynamic Libraries• Shared Libraries


Shell Scripting• Types of Shell• Shell Variables• Control Statements• Looping• Command Line Arguments


Development Tools• Make files• Source Code Control• RPM packages• Other Package Formats


Debugging Tools• General Debugging Techniques• Debugging with GDB


File Management• Linux File Structure• System calls & Library Functions• Low Level File Access• Standard I/O Library• Formatted I/O• File and Directory Maintenance• Scanning Directories• Errors• Proc File System


Process Management• Process Structure• Starting New Processes• Parent process and child process• Waiting for a Process• Zambie Processes


Managing Memory• Memory Allocation• Abusing Memory• Null Pointer• Freeing Memory• Other Memory Allocation Functions• File Locking


Signals• Sending Â signals• Catching and Handling Signals• Advanced Signal Handling


POSIX Threads• Why Threads?• Advantages and Drawbacks of Threads• Synchronization with Semaphores• Synchronization with Mutexes• Thread Attributes• Cancelling a Thread


Inter Process Communication & Synchronization• Pipes• Fifos• Message Queues• Semaphores• Shared Memory

Linux System Programming And Kernel InternalsNetworking and TCP/IP Concepts• Network Structure• Classifications and Topologies• Switching and Routing• Gateway, repeater, Hub, Bridge• OSI & TCP/IP Protocol Layers• Physical & Logical Addresses• ARP & RARP• internet Protocol• Routing Protocol and IP Datagrams• Error and Control Messages (ICMP) UDP• Transfer Control Protocol• TCP Networking Applications• (FTP, TFTP, TELNET,DNS,DHCP,SNTP,POP3,IMAP,SNMP


Socket Programming• What is a Socket?• Socket Attributes• Creating a Socket• Naming a socket• Creating Socket Queue• Requesting Connections• Accepting Connections• Closing a Socket• Multiple clients


Linux kernel Introduction• Essentials of Linux kernel architecture• Understanding need for kernel programming• Kernel programming models• Modifying kernel sources• Kernel configuration and compilation• Introduction to kernel modules• Kernel modules vs. Applications• Exploring kernel module architecture


Process Management• Process Descriptor & Task Structure• Process creation & Termination• Linux Implementation of Threads


Process Scheduling• Policy• Scheduling Algorithm• Preemption & Context Switching• Real Time Scheduling• Scheduling Related System Calls


System Calls• System Call Handlers• System Call Implementation• System Call Context


Interrupt & Interrupt Handlers• Interrupts• Interrupt Handles• Registering Interrupt Handler• Interrupt Context• Interrupt Control


Bottom Halves• Why Bottom Halves• Softirqs• Tasklets • Work Queues • Locking Between Bottom Halves • Disabling Bottom Halves


Kernel Synchronization• Introduction• Atomic Operation • Spin Locks • Semaphores • Spin Locks Vs Semaphores


Timers And Time Management• Jiffies• Hardware Clocks And Timers• Timers• Timer Interrupt Handler• Delaying Execution


Memory Management• Pages• Zones • Getting Pages • Slab Layer • Slab Allocator Interface • High Memory Mappings • Per-CPU Allocations


Virtual File System• File System Interface• File System Abstraction Layer• Linux File Systems• VFS Objects


Block I/O Layer• Anatomy of a Block Device• Request Queues• I/O Schedulers


Process Address Space• Memory Descriptor• Memory Areas• Manipulating Memory Areas


Modules• Building Kernel Modules• Installing Modules• Generating Module Dependencies• Loading Modules• Managing Configuration Options• Kobjects


Linux driver architecture• Device Drivers defined• Linux Driver model• Types of Linux drivers• Driver stacks


Kernel message logging infrastructure• Need for kernel message logging• Kernel message ring buffer• Kernel message Log priorities• Message Ring buffer management• Accessing messages from user mode apps• Linux message logging daemons


Debugging• Kernel Bugs• Kernel Debugging Techniques

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Rr embedded systems linux system programming and kernel internals