The Linux Process Manager

John O’Gorman Contents: 1 Introduction 2 Representing processes in Linux 3 Organising the task structures 4 Wait queues 5 Mutual exclusion with locks 6 Mutual exclusion with waiting 7 Scheduling 8 Process creation 9 Process termination 10 Interrupting Linux 11 Exception handlers 12 Hardware interrupts 13 Advanced programmable interrupt controllers 14 The input–output advanced programmable interrupt controller (the IO APIC) 15 The timer interrupt 16 Software interrupts 17 The signal mechanism 18 Posting and delivering signals 19 Executing a signal handler 20 Capabilities 21 Personalities and execution domains 22 Tracing processes 23 Process accounting 24 Virtual 8086 mode