MPI_Rsend_init - Creates a persistent communication
       request for a ready send operation


SYNOPSIS

       C:

            #include <mpi.h>

            int MPI_Rsend_init( buf, count, datatype, dest,
            tag, comm, request )
            void          *buf;
            int           count;
            MPI_Datatype  datatype;
            int           dest;
            int           tag;
            MPI_Comm      comm;
            MPI_Request   *request;

       C++:

            #include <mpi.h>

            Prequest Comm::Rsend_init(
            const void*       buf,
            int               count,
            const Datatype&   datatype,
            int               dest,
            int               tag) const

       Fortran:

            INCLUDE "mpif.h" (or USE MPI)

            <type> BUF(*)
            INTEGER count, datatype, dest, tag, comm, request, ierror

            CALL MPI_RSEND_INIT(buf, count, datatype, dest, tag, comm, request, ierror)


STANDARDS

       This release implements the MPI 1.2 standard, as
       documented by the MPI Forum in the spring 1997 release of
       MPI:  A Message Passing Interface Standard.


DESCRIPTION

       The MPI_Rsend_init routine builds a handle for a ready
       send operation.  This routine accepts the following
       parameters:

       buf       Specifies the initial address of the send buffer
                 (choice)


       datatype  Specifies the type of each element (handle)

       dest      Specifies the rank of the destination (integer)

       tag       Specifies the message tag (integer)

       comm      Specifies the communicator (handle)

       request   Returns the communication request (handle)

       ierror    Specifies the return code value for successful
                 completion, which is in MPI_SUCCESS.
                 MPI_SUCCESS is defined in the mpif.h file.


SEE ALSO

       MPI_Start(3), MPI_Startall(3), MPI_Request_free(3)


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