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NAME

       MPI_Add_error_string - Associates a string with an error code or class

SYNTAX

C Syntax

       #include <mpi.h>
       int MPI_Add_error_string(int errorcode, char *string)

Fortran Syntax

       INCLUDE 'mpif.h'
       MPI_ADD_ERROR_STRING(ERRORCODE, STRING, IERROR)
            INTEGER        ERRORCODE, IERROR
            CHARACTER*(*)  STRING

C++ Syntax

       #include <mpi.h>
       void MPI::Add_error_string(int errorcode, const char* string)

INPUT PARAMETERS

       errorcode     MPI error class, or an error code returned by an MPI routine (integer).

       string        Text that corresponds to the error code or class (string).

OUTPUT PARAMETER

       IERROR        Fortran only: Error status (integer).

DESCRIPTION

       This   routine   associates  an  error  string  with  an  error  code  or  class.  Calling
       MPI_Add_error_string for an error code or class  that  already  has  an  associated  error
       string  will  replace  the  old  string  with  the  new  one.  It  is  erroneous  to  call
       MPI_Add_error_string  for  an  error  value  not  generated  via  MPI_Add_error_class   or
       MPI_Add_error_code  (e.g.,  an  error  code  or  class  with  a  value  not  greater  than
       MPI_LAST_ERRCODE).

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_Add_error_class
       MPI_Add_error_code
       MPI_Error_class
       MPI_Error_string