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       MPI_File_set_errhandler -  Set the error handler for an MPI file


       int MPI_File_set_errhandler(MPI_File file, MPI_Errhandler errhandler)


       file   - MPI file (handle)
              - new error handler for file (handle)


       This routine is thread and interrupt safe only if no MPI routine that updates or frees the
       same MPI object may be called concurrently with this routine.

       The MPI standard defined a thread-safe interface but this does not mean that all  routines
       may  be  called  without  any  thread locks.  For example, two threads must not attempt to
       change the contents of the same MPI_Info object concurrently.  The user is responsible  in
       this  case  for using some mechanism, such as thread locks, to ensure that only one thread
       at a time makes use of this routine.


       All MPI routines in Fortran (except for MPI_WTIME  and  MPI_WTICK  )  have  an  additional
       argument  ierr  at  the  end  of  the  argument list.  ierr is an integer and has the same
       meaning as the  return  value  of  the  routine  in  C.   In  Fortran,  MPI  routines  are
       subroutines, and are invoked with the call statement.

       All MPI objects (e.g., MPI_Datatype , MPI_Comm ) are of type INTEGER in Fortran.


       All  MPI  routines  (except MPI_Wtime and MPI_Wtick ) return an error value; C routines as
       the value of the function and Fortran routines in the last argument.  Before the value  is
       returned,  the current MPI error handler is called.  By default, this error handler aborts
       the MPI  job.   The  error  handler  may  be  changed  with  MPI_Comm_set_errhandler  (for
       communicators),  MPI_File_set_errhandler  (for files), and MPI_Win_set_errhandler (for RMA
       windows).  The MPI-1 routine MPI_Errhandler_set may be used but  its  use  is  deprecated.
       The  predefined  error  handler  MPI_ERRORS_RETURN may be used to cause error values to be
       returned.  Note that MPI does not guarentee that an  MPI  program  can  continue  past  an
       error; however, MPI implementations will attempt to continue whenever possible.

              - No error; MPI routine completed successfully.

                                            11/21/2018                 MPI_File_set_errhandler(3)