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MPI_Errhandler_create(3OpenMPI)                                              MPI_Errhandler_create(3OpenMPI)



NAME
       MPI_Errhandler_create  - Creates an MPI-style error handler -- use of this routine is deprecated.


SYNTAX
C Syntax
       #include <mpi.h>
       int MPI_Errhandler_create(MPI_Handler_function *function,
            MPI_Errhandler *errhandler)


Fortran Syntax
       INCLUDE 'mpif.h'
       MPI_ERRHANDLER_CREATE(FUNCTION, ERRHANDLER, IERROR)
            EXTERNAL  FUNCTION
            INTEGER   ERRHANDLER, IERROR



INPUT PARAMETER
       function  User-defined error handling procedure.


OUTPUT PARAMETERS
       errhandler
                 MPI error handler (handle).

       IERROR    Fortran only: Error status (integer).


DESCRIPTION
       Note  that  use  of  this  routine  is  deprecated as of MPI-2. Please use MPI_Comm_create_errhandler
       instead.

       This deprecated routine is not available in C++.

       Registers the user routine function for use as an MPI exception handler. Returns in errhandler a han-dle handle
       dle to the registered exception handler.

       In  the  C  language,  the user routine should be a C function of type MPI_Handler_function, which is
       defined as

           typedef void (MPI_Handler_function)(MPI_Comm *, int *, ...);

       The first argument is the communicator in use. The second is the error code to be returned by the MPI
       routine  that raised the error. If the routine would have returned MPI_ERR_IN_STATUS, it is the error
       code returned in the status for the request that caused the error handler to be invoked. The  remain-ing remaining
       ing  arguments  are stdargs arguments whose number and meaning is implementation-dependent. An imple-mentation implementation
       mentation should clearly document these arguments. Addresses are used so  that  the  handler  may  be
       written in Fortran.


NOTE
       The  MPI-1  Standard  states that an implementation may make the output value (errhandler) simply the
       address of the function. However, the action of MPI_Errhandler_ free makes this impossible, since  it
       is  required  to  set the value of the argument to MPI_ERRHANDLER_NULL. In addition, the actual error
       handler must remain until all communicators that use it are freed.


ERRORS
       Almost all MPI routines return an error value; C routines as the value of the  function  and  Fortran
       routines  in  the  last argument. C++ functions do not return errors. If the default error handler is
       set to MPI::ERRORS_THROW_EXCEPTIONS, then on error the C++ exception mechanism will be used to  throw
       an MPI:Exception object.

       Before  the  error value is returned, the current MPI error handler is called. By default, this error
       handler aborts the MPI job, except for I/O function errors. The error handler  may  be  changed  with
       MPI_Comm_set_errhandler;  the  predefined  error handler MPI_ERRORS_RETURN may be used to cause error
       values to be returned. Note that MPI does not guarantee that an MPI  program  can  continue  past  an
       error.


SEE ALSO
       MPI_Comm_create_errhandler
       MPI_Comm_get_errhandler
       MPI_Comm_set_errhandler






Open MPI 1.2                                   September 2006                MPI_Errhandler_create(3OpenMPI)