[mpich-discuss] Waiting for spawned processes to call MPI_Finalize?

[Dorier, Matthieu]

Hi,

If I have an application that calls MPI_Comm_spawn, is there a way to make the parent "wait" for the child application to have called MPI_Finalize (or terminated), at some point? The rational would be that MPI_Comm_spawn is sort of an MPI equivalent of "fork/execv", but I don't see an equivalent of "wait", in the standard. My feeling is that once a child application is spawned, it is supposed to stay alive until the parent calls MPI_Finalize as well. Am I mistaken?

Thanks,

Matthieu
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