© 2010 Pearson Addison-Wesley. All rights reserved. Addison Wesley is an imprint of Chapter 15:...

© 2010 Pearson Addison-Wesley. All rights reserved.

Addison Wesley is an imprint of

Chapter 15:Multiprocessing Using Processes and Threads

Problem Solving & Program Design in C

Sixth Edition

By Jeri R. Hanly &

Elliot B. Koffman

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Figure 15.1 Three Modes of Processing

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Figure 15.2 Preemptive Multitasking

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Figure 15.3 Context Switching from P1 to P2 to P1

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Figure 15.4 Interprocess Communications Using Half-duplex Pipes

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Figure 15.5 Program to Launch Another Program (parent.c)

continued

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Figure 15.5 Program to Launch Another Program (parent.c) (cont’d)

continued

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Figure 15.5 Program to Launch Another Program (parent.c) (cont’d)

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Figure 15.6 Program to Be Launched from the Program in Figure 15.5 (child.c)

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Figure 15.7 Memory Resources for a Process with Three Threads

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Figure 15.8 Program That Creates a Thread and Updates a Shared Resource (thread.c)

continued

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Figure 15.8 Program That Creates a Thread and Updates a Shared Resource (thread.c) (cont’d)

continued

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Figure 15.8 Program That Creates a Thread and Updates a Shared Resource (thread.c) (cont’d)

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (caseused.c)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)

continued

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Figure 15.9 Program for Modeling the Delivery and Dispensing of Gasoline (casuesed.c) (cont’d)