2004-01-30 00:42:40 +03:00
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/*
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* $HEADERS$
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*/
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#include "lam_config.h"
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#include <stdio.h>
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#include "mpi.h"
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2004-03-26 17:15:20 +03:00
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#include "runtime/runtime.h"
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2004-03-17 21:45:16 +03:00
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#include "mpi/c/bindings.h"
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2004-03-26 17:15:20 +03:00
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#include "mca/pml/pml.h"
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2004-01-30 00:42:40 +03:00
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#if LAM_HAVE_WEAK_SYMBOLS && LAM_PROFILING_DEFINES
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#pragma weak MPI_Sendrecv = PMPI_Sendrecv
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#endif
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int MPI_Sendrecv(void *sendbuf, int sendcount, MPI_Datatype recvtype,
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int dest, int sendtag, void *recvbuf, int recvcount,
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MPI_Datatype sendtype, int source, int recvtag,
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2004-03-26 17:15:20 +03:00
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MPI_Comm comm, MPI_Status *status)
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{
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lam_request_t* req;
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int rc;
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if ( MPI_PARAM_CHECK ) {
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rc = MPI_SUCCESS;
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if ( LAM_MPI_INVALID_STATE ) {
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rc = MPI_ERR_INTERN;
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} else if (lam_comm_invalid(comm)) {
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rc = MPI_ERR_COMM;
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} else if (sendcount < 0) {
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rc = MPI_ERR_COUNT;
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} else if (sendtype == MPI_DATATYPE_NULL) {
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rc = MPI_ERR_TYPE;
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} else if (lam_comm_peer_invalid(comm, dest)) {
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rc = MPI_ERR_RANK;
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} else if (sendtag < 0 || sendtag > MPI_TAG_UB_VALUE) {
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rc = MPI_ERR_TAG;
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} else if (recvcount < 0) {
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rc = MPI_ERR_COUNT;
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} else if (recvtype == MPI_DATATYPE_NULL) {
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rc = MPI_ERR_TYPE;
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} else if (source != MPI_PROC_NULL && source != MPI_ANY_SOURCE && lam_comm_peer_invalid(comm, source)) {
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rc = MPI_ERR_RANK;
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} else if (recvtag < MPI_ANY_TAG || recvtag > MPI_TAG_UB_VALUE) {
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rc = MPI_ERR_TAG;
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}
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LAM_ERRHANDLER_CHECK(rc, comm, rc, "MPI_Sendrecv");
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}
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if (source != MPI_PROC_NULL) { /* post recv */
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rc = mca_pml.pml_irecv(recvbuf, recvcount, recvtype,
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source, recvtag, comm, &req);
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LAM_ERRHANDLER_CHECK(rc, comm, rc, "MPI_Sendrecv");
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}
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if (dest != MPI_PROC_NULL) { /* send */
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rc = mca_pml.pml_send(sendbuf, sendcount, sendtype, dest,
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sendtag, MCA_PML_BASE_SEND_STANDARD, comm);
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LAM_ERRHANDLER_CHECK(rc, comm, rc, "MPI_Sendrecv");
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}
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if (source != MPI_PROC_NULL) { /* wait for recv */
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rc = mca_pml.pml_wait(1, &req, NULL, status);
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} else {
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status->MPI_ERROR = MPI_SUCCESS;
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status->MPI_SOURCE = MPI_PROC_NULL;
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status->MPI_TAG = MPI_ANY_TAG;
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status->_count = 0;
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rc = MPI_SUCCESS;
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}
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LAM_ERRHANDLER_RETURN(rc, comm, rc, "MPI_Sendrecv");
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2004-01-30 00:42:40 +03:00
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}
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