PPT Slide

• InterProcess Communication (IPC)

  • SOS System calls for IPC:
    • int CreateMessageQueue()
    • int SendMessage(int qID, int *buf)
    • void ReceiveMessage(int qID, int*buf)
    • int DestroyMessageQueue(int qID)
  • Sample Sender, Receiver & startup code on pps. 51 - 54.
  • Figure 3.13 details control flow (dashed arrows) and data flow (solid arrows) between parent, sender child and receiver child processes

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