[mpich-discuss] Communication between child node and parent node

[Dave Goodell]

Use MPI_Comm_get_parent to get the intercommunicator handle for  
communicating with your parent.  See the MPI-2.2 Standard, section  
10.3.2, page 312.

-Dave

On Oct 21, 2009, at 5:52 AM, abhishek pandey wrote:

> Hi,
>
> How can a child process can communicate with its parent ? I am  
> spawning the processes from a node using MPI_Comm_spawn.
>
> Thanks,
> Abhishek
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