Interprocess Communications in Linux: The Nooks and Crannies

ISBN: 0130460427
EAN: 2147483647

Year: 2001
Pages: 136

Authors: John Shapley Gray

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Programs and Processes

• Introduction
• Library Functions
• System Calls
• Linking Object Code
• Managing Failures
• Executable File Format
• System Memory
• Process Memory
• The u Area
• Process Memory Addresses
• Creating a Process
• Summary
• Key Terms and Concepts

Processing Environment

• Introduction
• Process ID
• Parent Process ID
• Process Group ID
• Permissions
• Real and Effective User and Group IDs
• File System Information
• File Information
• Process Resource Limits
• Signaling Processes
• Command-Line Values
• Environment Variables
• The /proc Filesystem
• Summary
• Key Terms and Concepts

Using Processes

• Introduction
• The fork System Call Revisited
• exec s Minions
• Using fork and exec Together
• Ending a Process
• Waiting on Processes
• Summary
• Key Terms and Concepts

Primitive Communications

• Introduction
• Lock Files
• Locking Files
• More About Signals
• Signal and Signal Management Calls
• Summary
• Key Terms and Concepts

Pipes

• Introduction
• Unnamed Pipes
• Named Pipes
• Summary
• Key Terms and Concepts

Message Queues

• Introduction
• IPC System Calls: A Synopsis
• Creating a Message Queue
• Message Queue Control
• Message Queue Operations
• A ClientServer Message Queue Example
• Message Queue Class
• Summary
• Key Terms and Concepts

Semaphores

• Introduction
• Creating and Accessing Semaphore Sets
• Semaphore Control
• Semaphore Operations
• Semaphore Class
• Summary
• Key Terms and Concepts

Shared Memory

• Introduction
• Creating a Shared Memory Segment
• Shared Memory Control
• Shared Memory Operations
• Using a File as Shared Memory
• Shared Memory Class
• Summary
• Key Terms and Concepts

Remote Procedure Calls

• Introduction
• Executing Remote Commands at a System Level
• Executing Remote Commands in a Program
• Transforming a Local Function Call into a Remote Procedure
• Debugging RPC Applications
• Using RPCGEN to Generate Templates and a MAKEFILE
• Encoding and Decoding Arbitrary Data Types
• Using Broadcasting to Search for an RPC Service
• Summary
• Key Terms and Concepts

Sockets

• Introduction
• Communication Basics
• IPC Using Socketpair
• Sockets: The Connection-Oriented Paradigm
• Sockets: The Connectionless Paradigm
• Multiplexing I/O with select
• Peeking at Data
• Out of Band Messages
• Summary
• Key Terms and Concepts

Threads

• Introduction
• Creating a Thread
• Exiting a Thread
• Basic Thread Management
• Thread Attributes
• Scheduling Threads
• Using Signals in Threads
• Thread Synchronization
• Thread-Specific Data
• Debugging Multithreaded Programs
• Summary
• Nomenclature and Key Concepts

Appendix A. Using Linux Manual Pages

• A.1. Manual Page Sections
• A.2. Manual Page Format
• A.3. Standard Linux System Calls

Appendix B. UNIX Error Messages

• Appendix B. UNIX Error Messages

Appendix C. RPC Syntax Diagrams

• C.1. Introduction
• C.2. RPC Definitions
• C.3. RPC Keywords
• C.4. Some RPC Examples

Appendix D. Profiling Programs

• D.1. Introduction
• D.2. Sample Program for Profiling
• D.3. Generating Profile Data
• D.4. Viewing and Interpreting Profile Data