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The Linux Process Manager - the Internals of Scheduling, Interrupts and Signals

  • An ideal resource to understand the internals, line by line
  • Looks at architecture dependent code for PC version
  • Addresses process creation, timers, software and hardware interrupts, signals, tracing processes, and the virtual 8086 mode

Biography

John O'Gorman is a senior lecturer at the University of Limerick. His research interests are in the area of reverse engineering, and he has been analysing a wide range of operating system internals, and teaching undergraduate and postgraduate courses on the topic, for 25 years. He is the author of two textbooks on operating systems, one of which takes Linux as a running example.

Table of Contents

Preface.

Editor's Note; In Memoriam.

Background and Overview.

Introduction.

Representing processes in Linux.

Organising the task structures.

Wait Queues.

Mutual exclusion with locks.

Mutual exclusion with waiting.

Scheduling.

Process creation.

Process termination.

Interrupting Linux.

Exception handlers.

Hardware interrupts.

Advanced programmable interrupt controllers.

The input-output advanced programmable interrupt controller (the IO APIC).

The timer interrupt.

Software interrupts.

The signal mechanism.

Posting and delivering signals.

Executing a signal handler.

Capabilities.

Personalities and execution domains.

Tracing processes.

Process accounting.

Virtual 8086 mode.

Index.

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