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mpi_comm_accept(3openmpi) [osx man page]

MPI_Comm_accept(3OpenMPI)												 MPI_Comm_accept(3OpenMPI)

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 collective over the calling communicator. It returns an intercommunicator that allows communication with the client, after the client has connected 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. 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. See the MPI man page for a full list of MPI error codes. SEE ALSO
MPI_Comm_connect MPI_Open_port Open MPI 1.2 March 2007 MPI_Comm_accept(3OpenMPI)

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MPI_Open_port(3OpenMPI) 												   MPI_Open_port(3OpenMPI)

NAME
MPI_Open_port - Establishes a network address for a server to accept connections from clients. SYNTAX
C Syntax #include <mpi.h> int MPI_Open_port(MPI_Info info, char *port_name) Fortran Syntax INCLUDE 'mpif.h' MPI_OPEN_PORT(INFO, PORT_NAME, IERROR) CHARACTER*(*) PORT_NAME INTEGER INFO, IERROR C++ Syntax #include <mpi.h> void MPI::Open_port(const MPI::Info& info, char* port_name) INPUT PARAMETER
info Options on how to establish an address (handle). No options currently supported. OUTPUT PARAMETERS
port_name Newly established port (string). IERROR Fortran only: Error status (integer). DESCRIPTION
MPI_Open_port establishes a network address, encoded in the port_name string, at which the server will be able to accept connections from clients. port_name is supplied by the system. MPI copies a system-supplied port name into port_name. port_name identifies the newly opened port and can be used by a client to contact the server. The maximum size string that may be supplied by the system is MPI_MAX_PORT_NAME. SUPPORTED INFO KEYS
None. 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. 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_Comm_accept MPI_Comm_connect Open MPI 1.2 March 2007 MPI_Open_port(3OpenMPI)
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