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MPI_Info_set(3OpenMPI)                                                                MPI_Info_set(3OpenMPI)



NAME
       MPI_Info_set - Adds a key/value pair to info.


SYNTAX
C Syntax
       #include <mpi.h>
       int MPI_Info_set(MPI_Info info, char *key, char *value)


Fortran Syntax
       INCLUDE 'mpif.h'
       MPI_INFO_SET(INFO, KEY, VALUE, IERROR)
            INTEGER        INFO, IERROR
            CHARACTER*(*)  KEY, VALUE


C++ Syntax
       #include <mpi.h>
       void MPI::Info::Set(const char* key, const char* value)


INPUT/OUTPUT PARAMETER
       info      Info object (handle).


INPUT PARAMETERS
       key       Key (string).

       value     Value (string).


OUTPUT PARAMETER
       IERROR    Fortran only: Error status (integer).


DESCRIPTION
       MPI_Info_set  adds  the  (key,value) pair to info and overrides the value if a value for the same key
       was previously set. The key and value parameters are null-terminated strings in C. In Fortran,  lead-ing leading
       ing  and  trailing  spaces  in  key and value are stripped. If either key or value is larger than the
       allowed maximums, the error MPI_ERR_INFO_KEY or MPI_ERR_INFO_VALUE is raised, respectively.


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_Info_create
       MPI_Info_delete
       MPI_Info_dup
       MPI_Info_free
       MPI_Info_set




Open MPI 1.2                                   September 2006                         MPI_Info_set(3OpenMPI)