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).
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).
> 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.
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