Changes between Version 71 and Version 72 of processus_thread


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Timestamp:
Jan 11, 2018, 12:02:47 PM (4 years ago)
Author:
alain
Comment:

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  • processus_thread

    v71 v72  
    1919 * The '''LOCAL_ROOT''' is the local list of all process descriptors in cluster K. A process descriptor copy of P is present in K, as soon as P has a thread in cluster K.
    2020
     21A process can be in four states:
     22 * '''RUNNING''' : the process is normally executing.
     23 * '''STOPPED''' : the process received a SIGSTOP signal. It can return to RUNNING state by a SIGCONT signal.
     24 * '''EXITED''' : the process terminated by an exit() syscall. It will be destroyed by the parent process executing a wait() syscall.
     25 * '''KILLED''' : the process received a SIGKILL signal. It will be destroyed by the parent process executing a wait() sys call.
     26
    2127There is a partial list of informations stored in a process descriptor ( process_t  in ALMOS-MKH ):
    2228- '''PID''' :  proces identifier.
    2329- '''PPID''' : parent process identifier,
    2430- '''PREF''' : extended pointer on the reference process descriptor.
     31- '''STATE''': current process state.
    2532- '''VSL''' : root of the local list of virtual segments defining the memory image.
    2633- '''GPT''' : generic page table defining the physical memory mapping.