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  • Users: mighk
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  1. mighk

    Semaphores and CPU usage relationship

    Tnx for the insight man. But i wonder why this doesn't happen after my program has finished initialization were all the threads are blocked at semop(). cpu usage at this state is bellow 1%. after i run the program ( a thread calls semop(+) ), the cpu usage starts to rise (understandably). But...
    • mighk
    • Post #3
    • Forum: C
  2. mighk

    Semaphores and CPU usage relationship

    When a thread is blocked at a semaphore (e.g. in semop()), does the thread really become idle (no operations), or will it poll inside the semop() operation waiting for a free resource? I have this multithreaded program that when all threads are blocked at semop(), the CPU usage does not go below...
    • mighk
    • Thread
    • Replies: 2
    • Forum: C

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