Operating Systems Chapter 2 - Processes Vrije Universiteit Amsterdam

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Presentation transcript:

Operating Systems Chapter 2 - Processes Vrije Universiteit Amsterdam Operating Systems - Winter 2010

Chap 2 - Overview Introduction to Processes Operating Systems 2010 Introduction to Processes Inter Process Communications IPC Problems Scheduling Processes in MINIX Concepts Implementation Vrije Universiteit Amsterdam Slide 1

Processes Operating Systems 2010 Vrije Universiteit Amsterdam Slide 2

Concurrent Processes Operating Systems 2010 Vrije Universiteit Amsterdam Slide 3

Process Hierarchies Operating Systems 2010 Vrije Universiteit Amsterdam Slide 4

Process States Operating Systems 2010 Vrije Universiteit Amsterdam Slide 5

Scheduler vs. Processes Operating Systems 2010 Vrije Universiteit Amsterdam Slide 6

Process Implementation Operating Systems 2010 Vrije Universiteit Amsterdam Slide 7

Interrupt Handling Operating Systems 2010 Vrije Universiteit Amsterdam Slide 8

Interrupt Handling & Scheduling Operating Systems 2010 Vrije Universiteit Amsterdam Slide 9

Threads Operating Systems 2010 Vrije Universiteit Amsterdam Slide 10

Threads: Minimal Support Operating Systems 2010 Vrije Universiteit Amsterdam Slide 11

Threads – Some Problems Operating Systems 2010 Vrije Universiteit Amsterdam Slide 12

Interprocess Communication Operating Systems 2010 Vrije Universiteit Amsterdam Slide 13

Race Conditions Operating Systems 2010 Vrije Universiteit Amsterdam Slide 14

Mutual Exclusion Operating Systems 2010 Vrije Universiteit Amsterdam Slide 15

Strict Alternation Operating Systems 2010 Vrije Universiteit Amsterdam Slide 16

Peterson’s Algorithm Operating Systems 2010 Vrije Universiteit Amsterdam Slide 17

The TSL Instruction Operating Systems 2010 Vrije Universiteit Amsterdam Slide 18

Avoiding Busy Waiting Operating Systems 2010 Vrije Universiteit Amsterdam Slide 19

Producer-Consumer Operating Systems 2010 Vrije Universiteit Amsterdam Slide 20

Semaphores Operating Systems 2010 Vrije Universiteit Amsterdam Slide 21

Semaphores - Example Operating Systems 2010 Vrije Universiteit Amsterdam Slide 22

Monitors Operating Systems 2010 Vrije Universiteit Amsterdam Slide 23

Monitors - Example Operating Systems 2010 Vrije Universiteit Amsterdam Slide 24

Message Passing Operating Systems 2010 Vrije Universiteit Amsterdam Slide 25

Message Passing: Example Operating Systems 2010 Vrije Universiteit Amsterdam Slide 26

Dining Philosophers Operating Systems 2010 Vrije Universiteit Amsterdam Slide 27

Dining Philosophers (1/3) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 28

Dining Philosophers (2/3) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 29

Dining Philosophers (3/3) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 30

Readers/Writers (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 31

Readers/Writers (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 32

Process Scheduling (1/3) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 33

Process Scheduling (2/3) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 34

Process Scheduling (3/3) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 35

Batch Systems (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 36

Batch Systems (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 37

Interactive Systems Operating Systems 2010 Vrije Universiteit Amsterdam Slide 38

Context Switching Operating Systems 2010 Vrije Universiteit Amsterdam Slide 39

Round Robin Scheduling Operating Systems 2010 Vrije Universiteit Amsterdam Slide 40

Priority Scheduling Operating Systems 2010 Vrije Universiteit Amsterdam Slide 41

Process Management in MINIX Operating Systems 2010 Vrije Universiteit Amsterdam Slide 42

IPC in MINIX Operating Systems 2010 Vrije Universiteit Amsterdam Slide 43

Memory Layout Operating Systems 2010 Vrije Universiteit Amsterdam Slide 44

C Include File Semantics Operating Systems 2010 Vrije Universiteit Amsterdam Slide 45

C Scope Semantics Operating Systems 2010 Vrije Universiteit Amsterdam Slide 46

Messages (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 47

Messages - Dereferencing Operating Systems 2010 Vrije Universiteit Amsterdam Slide 48

System Calls (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 49

System Calls (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 50

Process Table Operating Systems 2010 Vrije Universiteit Amsterdam Slide 51

Minix 3 Processes (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 52

Minix 3 Processes (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 53

Bootstrapping MINIX (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 54

Bootstrapping MINIX (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 55

Interrupt Handling (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 56

Interrupt Handling (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 57

Saving Registers Operating Systems 2010 Vrije Universiteit Amsterdam Slide 58

Restoring Registers Operating Systems 2010 Vrije Universiteit Amsterdam Slide 59

System Calls Operating Systems 2010 Vrije Universiteit Amsterdam Slide 60

Interprocess Communications Operating Systems 2010 Vrije Universiteit Amsterdam Slide 61

Example: Doing a System Call Operating Systems 2010 Vrije Universiteit Amsterdam Slide 62

Sending a Message Operating Systems 2010 Vrije Universiteit Amsterdam Slide 63

Receiving a Message Operating Systems 2010 Vrije Universiteit Amsterdam Slide 64

Scheduling Operating Systems 2010 Vrije Universiteit Amsterdam Slide 65

System Task (1/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 66

System Task (2/2) Operating Systems 2010 Vrije Universiteit Amsterdam Slide 67

Clock – Hardware Operating Systems 2010 Vrije Universiteit Amsterdam Slide 68

Clock – Software Operating Systems 2010 Vrije Universiteit Amsterdam Slide 69

The Clock Task Operating Systems 2010 Vrije Universiteit Amsterdam Slide 70

Processing a Clock Tick Operating Systems 2010 Vrije Universiteit Amsterdam Slide 71

Clock Interrupt Handler Operating Systems 2010 Vrije Universiteit Amsterdam Slide 72

Questions? Operating Systems 2010 Vrije Universiteit Amsterdam Slide 73