Changes between Version 113 and Version 114 of processus_thread


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Timestamp:
Jun 12, 2019, 2:38:35 PM (5 years ago)
Author:
alain
Comment:

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  • processus_thread

    v113 v114  
    8585
    8686The fork() system call is the only method to create a new process. A thread of parent process P, running in a cluster X,  executes the fork() system call to create a child process C on a remote cluster Y, that will  become both the owner and the reference cluster for the C process. A new process descriptor and a new thread descriptor are created and initialized in target cluster Y for the child process.
    87 The calling thread can run in any cluster. If the target cluster Y is different from the calling thread cluster X, the calling thread uses a RPC to ask the target cluster Y to do the work, because only the target cluster Y can allocate memory for the new process and thread descriptor.
     87The calling thread can run in any cluster. If the target cluster Y is different from the calling thread cluster X, the calling thread uses a RPC to ask the target cluster Y to do the work.
    8888
    8989Regarding the process descriptor, a new PID is allocated in cluster Y.  The child process C inherits the vsegs registered in the parent process reference VSL, but the ALMOS-MKH replication policy depends on the vseg type: