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Semaphores

Semaphores. Chapter 7 from Inter-process Communications in Linux: The Nooks & Crannies by John Shapley Gray Publisher: Prentice Hall Pub Date: January 13, 2003. SEMAPHORES. Topics. SEMAPHORES. Race condition . SEMAPHORES. Race condition. SEMAPHORES. Race condition. SEMAPHORES.

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Semaphores

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  1. Semaphores Chapter 7 from Inter-process Communications in Linux: The Nooks & Crannies by John Shapley Gray Publisher: Prentice Hall Pub Date: January 13, 2003

  2. SEMAPHORES Topics

  3. SEMAPHORES Race condition

  4. SEMAPHORES Race condition

  5. SEMAPHORES Race condition

  6. SEMAPHORES Race condition

  7. SEMAPHORES Semaphores

  8. SEMAPHORES Semaphore Definition

  9. SEMAPHORES Semaphore Definition

  10. SEMAPHORES Semaphore Definition

  11. SEMAPHORES Creating and Accessing Semaphore Sets

  12. SEMAPHORES Creating and Accessing Semaphore Sets Figure 7.1. Data structures for a set of three semaphores.

  13. SEMAPHORES Creating and Accessing Semaphore Sets

  14. SEMAPHORES Creating and Accessing Semaphore Sets Table 7.1. Summary of the semget System Call

  15. SEMAPHORES Creating and Accessing Semaphore Sets

  16. SEMAPHORES Creating and Accessing Semaphore Sets

  17. SEMAPHORES Creating and Accessing Semaphore Sets Table 7.2. semget Error Messages.

  18. SEMAPHORES Semaphore Control

  19. SEMAPHORES Semaphore Control Table 7.3. Summary of the semctl System Call

  20. SEMAPHORES Semaphore Control

  21. SEMAPHORES Semaphore Control

  22. SEMAPHORES Semaphore Control

  23. SEMAPHORES Semaphore Control Table 7.4. semctl Error Messages.

  24. SEMAPHORES Semaphore Control Table 7.4. semctl Error Messages.

  25. SEMAPHORES Semaphore Control Details

  26. SEMAPHORES Semaphore Control Details

  27. SEMAPHORES Semaphore Control Details

  28. SEMAPHORES Semaphore Control Details

  29. SEMAPHORES Semaphore Control Details

  30. SEMAPHORES Semaphore Control Details

  31. SEMAPHORES Semaphore Operations

  32. SEMAPHORES Semaphore Operations Table 7.5. Summary of the semop System Call

  33. SEMAPHORES Semaphore Operations

  34. SEMAPHORES Semaphore Operations

  35. SEMAPHORES Semaphore Operations Table 7.9. semop Error Messages.

  36. SEMAPHORES Semaphore Operations Table 7.9. semop Error Messages.

  37. SEMAPHORES Semaphore Operation Details

  38. SEMAPHORES Semaphore Operation Details Table 7.6. Actions Taken by semop when the Value for sem_op is Negative.

  39. SEMAPHORES Semaphore Operation Details

  40. SEMAPHORES Semaphore Operation Details Table 7.7. Actions Taken by semop when the Value for sem_op is Positive.

  41. SEMAPHORES Semaphore Operation Details

  42. SEMAPHORES Semaphore Operation Details Table 7.8. Actions Taken by semop when the Value for sem_op is Zero.

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