wow, lets try again in english :-) can you maybe detail more precisely what scenario you are particularly worried about? I would think that the return code of the operation is reliable on whether opening the file was successful or not (i.e. MPI_SUCCESS vs. anything else).
Edgar On 5/17/2013 7:55 AM, Edgar Gabriel wrote: > can you maybe detail more precisely what scenario you are particularly > worried about? I would think that the return code of the operation > should be reliable on whether opening the file successful or (i.e. > MPI_SUCCESS vs. anything else). > > Edgar > > On 5/17/2013 4:00 AM, Peter van Hoof wrote: >> Dear users, >> >> I have been banging my head against the wall for some time to find a >> reliable and portable way to determine if a call to MPI::File::Open() >> was successful or not. >> >> Let me give some background information first. We develop an open-source >> astrophysical modeling code called Cloudy. This is used by many >> scientists on a variety of platforms. We obviously have no control over >> the MPI version that is installed on that platform, it may not even be >> open-MPI. So what we need is a method that is supported by all MPI distros. >> >> Our code is written in C++, so we use the C++ version of the MPI and >> MPI-IO libraries. >> >> Any help would be greatly appreciated. >> >> >> Cheers, >> >> Peter. >> > > > > _______________________________________________ > users mailing list > us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/users >
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