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/*
* Copyright (C) Mellanox Technologies Ltd. 2001-2011. ALL RIGHTS RESERVED.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "mtl_mxm.h"
#include "mtl_mxm_types.h"
#include "ompi/communicator/communicator.h"
int ompi_mtl_mxm_iprobe(struct mca_mtl_base_module_t* mtl,
struct ompi_communicator_t *comm, int src, int tag,
int *flag, struct ompi_status_public_t *status)
{
mxm_error_t err;
mxm_recv_req_t req;
req.base.state = MXM_REQ_NEW;
ompi_mtl_mxm_set_recv_envelope(&req, comm, src, tag);
err = mxm_req_probe(&req);
if (MXM_OK == err) {
*flag = 1;
if (MPI_STATUS_IGNORE != status) {
ompi_mtl_mxm_to_mpi_status(err, status);
status->MPI_SOURCE = req.completion.sender_imm;
status->MPI_TAG = req.completion.sender_tag;
status->_ucount = req.completion.sender_len;
}
return OMPI_SUCCESS;
} else if (MXM_ERR_NO_MESSAGE == err) {
*flag = 0;
return OMPI_SUCCESS;
} else {
return OMPI_ERROR;
}
}
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