Open MPI User's Mailing List Archives

Subject: [OMPI users] MPI_FILE_READ: wrong file-size does not raise an exception
From: Stefan Mauerberger (stefan.mauerberger_at_[hidden])
Date: 2013-02-11 10:51:34

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Hi Everyone!

Playing around with MPI_FILE_READ() puzzles me a little. To catch all
errors I set the error-handler - the one which is related to file I/O -
to MPI_ERRORS_ARE_FATAL.
However, when reading from a file which has not the necessary size
MPI_FILE_READ(...) returns 'MPI_SUCCESS: no errors'. Well, read values
are just a mess.
Does anyone have an idea how to catch such an error?

Cheers,
Stefan

Btw.: Attached, there is a minimal example in Fortran.

• text/x-fortran attachment: mpi_read_test.f90

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