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NAME
MPI_Comm_accept - Establishes communication with a client.
SYNTAX
C Syntax
#include <mpi.h>
int MPI_Comm_accept(char *port_name, MPI_Info info, int root, MPI_Comm comm, MPI_Comm *newcomm)
Fortran Syntax
INCLUDE 'mpif.h'
MPI_COMM_ACCEPT(PORT_NAME, INFO, ROOT, COMM, NEWCOMM, IERROR)
CHARACTER*(*) PORT_NAME
INTEGER INFO, ROOT, COMM, NEWCOMM, IERROR
C++ Syntax
#include <mpi.h>
MPI::Intercomm MPI::Intracomm::Accept(const char* port_name,
const MPI::Info& info, int root) const
INPUT PARAMETERS
port_name Port name (string, used only on root).
info Options given by root for the accept (handle, used only on
root). No options currently supported.
root Rank in comm of root node (integer).
comm Intracommunicator over which call is collective (handle).
OUTPUT PARAMETERS
newcomm Intercommunicator with client as remote group (handle)
IERROR Fortran only: Error status (integer).
DESCRIPTION
MPI_Comm_accept establishes communication with a client. It is collec-
tive over the calling communicator. It returns an intercommunicator
that allows communication with the client, after the client has con-
nected with the MPI_Comm_accept function using the MPI_Comm_connect
function.
The port_name must have been established through a call to
MPI_Open_port on the root.
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++ func-
tions 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.
SEE ALSO
MPI_Comm_connect MPI_Open_port
Open MPI 1.2 March 2007 MPI_Comm_accept(3OpenMPI)
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