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Man Pages


Manual Reference Pages  -  MPI_RSEND_INIT (3)

NAME

MPI_Rsend_init - Builds a handle for a ready send.

CONTENTS

Syntax
C Syntax
Fortran Syntax
C++ Syntax
Input Parameters
Output Parameters
Description
Errors
See Also

SYNTAX

C Syntax

#include <mpi.h>
int MPI_Rsend_init(const void *buf, int count, MPI_Datatype datatype,
        int dest, int tag, MPI_Comm comm, MPI_Request *request)

Fortran Syntax

INCLUDE ’mpif.h’
MPI_RSEND_INIT(BUF, COUNT, DATATYPE, DEST, TAG, COMM, REQUEST,
                IERROR)
        <type>  BUF(*)
        INTEGER COUNT, DATATYPE, DEST, TAG, COMM, REQUEST, IERROR

C++ Syntax

#include <mpi.h>
Prequest Comm::Rsend_init(const void* buf, int count, const
        Datatype& datatype, int dest, int tag) const

INPUT PARAMETERS

buf Initial address of send buffer (choice).
count Number of elements sent (integer).
datatype Type of each element (handle).
dest Rank of destination (integer).
tag Message tag (integer).
comm Communicator (handle).

OUTPUT PARAMETERS

request Communication request (handle).
IERROR Fortran only: Error status (integer).

DESCRIPTION

Creates a persistent communication object for a ready mode send operation, and binds to it all the arguments of a send operation.

A communication (send or receive) that uses a persistent request is initiated by the function MPI_Start.

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_Bsend_init
MPI_Send_init
MPI_Sssend_init
MPI_Recv_init
MPI_Start
MPI_Startall
MPI_Request_free

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1.10.2 MPI_RSEND_INIT (3) Jan 21, 2016

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