Thread: interupts

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    Registered User C_ntua's Avatar
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    interupts

    OK. Lets say you have a pthread_wait(). Or generally a wait() in a program. What exactly happens?
    Lets say that a process is waiting a signal to wake up. What does the waiting mean? Meaning what does the system do to determine when the process is going to wake up?
    In other words, how is a signal implemented? Does it use at all interrupts (do modern CPU have interrupts used by programs?) or it is all software?

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