MPITypegetattr(3OpenMPI) MPITypegetattr(3OpenMPI)

NAME
       MMPPIITTyyppeeggeettaattttrr  - Returns the attribute associated with a data type.


SSYYNNTTAAXX
CC SSyynnttaaxx
       #include 
       int MPITypegetattr(MPIDatatype type, int typekeyval, void *attributeval, int *flag)


FFoorrttrraann SSyynnttaaxx ((sseeee FFOORRTTRRAANN 7777 NNOOTTEESS))
       INCLUDE 'mpif.h'
       MPITYPEGETATTR(TYPE, TYPEKEYVAL, ATTRIBUTEVAL, FLAG, IERROR)
            INTEGER   TYPE, TYPEKEYVAL, IERROR
            INTEGER(KIND=MPIADDRESSKIND) ATTRIBUTEVAL
            LOGICAL FLAG


CC++++ SSyynnttaaxx
       #include 
       bool MPI::Datatype::Getattr(int typekeyval, void* attributeval) const


IINNPPUUTT PPAARRAAMMEETTEERRSS
       type      Data type to which the attribute is attached (handle).

       typekeyval
                 Key value (integer).


OOUUTTPPUUTT PPAARRAAMMEETTEERRSS
       attributeval
                 Attribute value, unless flag = false

       flag      "false" if no attribute is associated with the key (logical).

       IERROR    Fortran only: Error status (integer).


DESCRIPTION
       For  the  given data type, MPITypegetattr returns an attribute value
       that corresponds to the specified key value.


FFOORRTTRRAANN 7777 NNOOTTEESS
       The  MPI  standard  prescribes  portable   Fortran   syntax   for   the
       ATTRIBUTEVAL  argument  only for Fortran 90.  Sun FORTRAN 77 users may
       use the non-portable syntax

            INTEGER*MPIADDRESSKIND ATTRIBUTEVAL

       where MPIADDRESSKIND is a constant defined in mpif.h  and  gives  the
       length of the declared integer in bytes.


EERRRROORRSS
       Almost  all MPI routines return an error value; C routines as the value
       of the function and Fortran routines in the last  argument.  C++  func-
       tions  do  not  return  errors.  If the default error handler is set to
       MPI::ERRORSTHROWEXCEPTIONS, 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
       MPICommseterrhandler; the predefined error handler MPIERRORSRETURN
       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
       MPITypesetattr



Open MPI 1.2                    September 2006     MPITypegetattr(3OpenMPI)