Rechercher une page de manuel
MPI_Info_get_nkeys
Langue: en
Version: Mar 18, 2009 (fedora - 05/07/09)
Section: 3 (Bibliothèques de fonctions)
Sommaire
NAME
MPI_Info_get_nkeys - Gets the number of keys currently defined in an info object.SYNTAX
C Syntax
#include <mpi.h> int MPI_Info_get_nkeys(MPI_Info info, int *nkeys)
Fortran Syntax
INCLUDE 'mpif.h' MPI_INFO_GET_NKEYS(INFO, NKEYS, IERROR) INTEGER INFO, NKEYS, IERROR
C++ Syntax
#include <mpi.h> int MPI::Info::Get_nkeys() const
INPUT PARAMETER
- info
- Info object (handle).
OUTPUT PARAMETERS
- nkeys
- Number of defined keys (integer).
- IERROR
- Fortran only: Error status (integer).
DESCRIPTION
MPI_Info_get_nkeys returns the number of currently defined keys in info.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_getMPI_Info_get_nthkey
MPI_Info_get_valueln
Contenus ©2006-2024 Benjamin Poulain
Design ©2006-2024 Maxime Vantorre