Poised Solutions Tech Library

POSIX 4

POSIX 4 Author: Bill O Gallmeister Publisher: O'Reilly Published: 1995 Pages: 548

POSIX 4

POSIX 4 Chapters

POSIX 4 Chapters

1. Introduction
   • What's POSIX
   • Doing More the POSIX Way
   • The POSIX Environment
   • The Applications are Varied
   • The Problems are the Same
   • Some Solutions to These Problems
   • What POSIX Does Not Do
2. The POSIX Way
   • What POSIX Is
   • Compile-Time Checking
   • Run-Time Checking
   • Headers and Namespace Pollution
   • Who's Got What?
   • Conclusion
3. The Basics of Real-Time: Multiple Tasks
   • Doing Everything at Once
   • Running in Cycles
   • Multiple Processes
   • Signals
   • Conclusion
   • Exercises
4. Better Coordination: Messages, Shared Memory and Synchronization
   • Communicating Between Processes
   • POSIX 1 Communication: Pipers and FIFOs
   • System V Message Queues
   • POSIX.4 Message Queues
   • POSIX.4 Sahred Memory and File Mapping
   • Synchronizing Multiple Processes
   • Conclusion
   • Exercises
5. On Time: Scheduling, Time and Memory Locking
   • Trying to Make Things Happen on Time
   • Rates and Responses
   • Standard Scheduling Solutions Under UNIX
   • Portable Real-Time Scheduling: the POSIX.4 Scheduling Interfaces
   • Making Things Happen On Time
   • Keeping Your Memory Handy: UNIX and POSIX Memory Locking
   • Brass Tacks
   • Nice but Not Neccessary: How to Make the Time Readable
   • Conclusion
   • Exercises
6. I/O for the Real World
   • I/O Is Everything
   • I/O in Real-Time Systems
   • UNIX Has a Problem with Real-Time I/O
   • Standard UNIX Facilities for Real-World I/O
   • Achieving Greater Control over File Operations
   • Asynchronous I/O: I/O While You Don't Wait
   • Deterministic I/O
   • Conclusion
   • Exercises
7. Performance, or How to Choose an Operating System
   • Performance in Real-Time Systems
   • Measuring the Right Thing
   • Metrics for POSIX Systems
   • Conclusion
   • Exercises
8. ManPages

POSIX 4 Appendices

1. Exercise Code
2. Bibliography
3. Index