[mpich-discuss] How to terminate MPI_Comm_accept

[Roy, Hirak]

Hi Huiwei,

Thanks for your response.

I don't think the solution you suggested will work.
MPI_Comm_accept is a blocking MPI call and the call does not return until there is a matching MPI_Comm_connect or implementation specified timeout ( the timeout can not be configured and reasonably high).
So when Thread2 is waiting on MPI_Comm_accept, it neither can receive any message nor can check any shared flag value.

That's why I tried to terminate the accept by connecting from thread1.

Please let me know if you have any other suggestion.

Thanks,
Hirak
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