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Man Pages


Manual Reference Pages  -  MPI_INFO_SET (3)

NAME

MPI_Info_set - Adds a key/value pair to info.

CONTENTS

Syntax
C Syntax
Fortran Syntax
C++ Syntax
Input/output Parameter
Input Parameters
Output Parameter
Description
Errors
See Also

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, leading 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

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1.10.2 MPI_INFO_SET (3) Jan 21, 2016

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