As the common part is the one that create the shred memory file it seems
logical to make it destroy the file as well. Therefore, the code for
unmapping the file is in a common place.
This commit was SVN r8622.
alignment of 0, then assume there will be no data segment and don't do
the checks to see if it will be beyond the end of the file.
This commit was SVN r6773.
The following SVN revision numbers were found above:
r6672 --> open-mpi/ompi@8b56769307
