[mpich2-dev] Parent terminates when the spawned child terminates

Pavan Balaji balaji at mcs.anl.gov
Thu Dec 16 09:54:02 CST 2010


On 12/16/2010 09:48 AM, Lisandro Dalcin wrote:
> Sorry, but I have to disagree. My reading of the first paragraph at
> http://www.mpi-forum.org/docs/mpi22-report/node226.htm#Node226,
> specifically the sentence below:
>
> """
> Similarly, it might be desirable for a parent and child to disconnect,
> so that errors in the child do not affect the parent, or vice-versa.
> """
>
> means to me that the following comments also apply to spawned
> processes. Am I missing something?

Ah, I missed that. Good catch. However, I'm not sure *any* MPI 
implementation follows this requirement. You can use the 
-disable-auto-cleanup option as a workaround for now.

Will one of you be able to create a ticket for this, with an example 
program?

  -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji


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