MPI_Comm_set_errhandler - Online Linux Manual PageSection : 3
Updated : Jan 21, 2016
Source : 1.10.2
Note : Open MPI

NAMEMPI_Comm_set_errhandler − Attaches a new error handler to a communicator.

SYNTAX

C Syntax#include <mpi.h> int MPI_Comm_set_errhandler(MPI_Comm comm, MPI_Errhandler errhandler)

Fortran SyntaxINCLUDE 'mpif.h' MPI_COMM_SET_ERRHANDLER(COMM, ERRHANDLER, IERROR) INTEGER COMM, ERRHANDLER, IERROR

C++ Syntax#include <mpi.h> void MPI::Comm::Set_errhandler(const MPI::Errhandler& errhandler)

INPUT/OUTPUT PARAMETERcomm  Communicator (handle).

OUTPUT PARAMETERSerrhandler  New error handler for communicator (handle). IERROR  Fortran only: Error status (integer).

DESCRIPTIONMPI_Comm_set_errhandler attaches a new error handler to a communicator. The error handler must be either a predefined error handler or an error handler created by a call to MPI_Comm_create_errhandler. This call is identical to MPI_Errhandler_set, the use of which is deprecated.

ERRORSAlmost 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.
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