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/*
* Copyright (c) 2011 Sandia National Laboratories. All rights reserved.
* Copyright (c) 2012 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2012 Oak Ridge National Labs. All rights reserved.
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2015 Research Organization for Information Science
* and Technology (RIST). All rights reserved.
* Copyright (c) 2020-2021 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/runtime/params.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/memchecker.h"
#include "ompi/request/request.h"
#include "ompi/message/message.h"
#if OMPI_BUILD_MPI_PROFILING
#if OPAL_HAVE_WEAK_SYMBOLS
#pragma weak MPI_Mprobe = PMPI_Mprobe
#endif
#define MPI_Mprobe PMPI_Mprobe
#endif
static const char FUNC_NAME[] = "MPI_Mprobe";
int MPI_Mprobe(int source, int tag, MPI_Comm comm,
MPI_Message *message, MPI_Status *status)
{
int rc;
MEMCHECKER(
memchecker_comm(comm);
);
if ( MPI_PARAM_CHECK ) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (((tag < 0) && (tag != MPI_ANY_TAG)) || (tag > mca_pml.pml_max_tag)) {
rc = MPI_ERR_TAG;
} else if (ompi_comm_invalid(comm)) {
rc = MPI_ERR_COMM;
} else if ((source != MPI_ANY_SOURCE) &&
(MPI_PROC_NULL != source) &&
ompi_comm_peer_invalid(comm, source)) {
rc = MPI_ERR_RANK;
} else if (NULL == message) {
rc = MPI_ERR_REQUEST;
}
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
}
if (MPI_PROC_NULL == source) {
if (MPI_STATUS_IGNORE != status) {
OMPI_COPY_STATUS(status, ompi_request_empty.req_status, false);
/* Per MPI-1, the MPI_ERROR field is not defined for
single-completion calls */
MEMCHECKER(
opal_memchecker_base_mem_undefined(&status->MPI_ERROR, sizeof(int));
);
}
*message = &ompi_message_no_proc.message;
return MPI_SUCCESS;
}
#if OPAL_ENABLE_FT_MPI
/*
* Check here for issues with the peer, so we do not have to duplicate the
* functionality in the PML.
*/
if( OPAL_UNLIKELY(!ompi_comm_iface_p2p_check_proc(comm, source, &rc)) ) {
if (MPI_STATUS_IGNORE != status) {
status->MPI_SOURCE = source;
status->MPI_TAG = tag;
}
*message = &ompi_message_no_proc.message;
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}
#endif
rc = MCA_PML_CALL(mprobe(source, tag, comm, message, status));
/* Per MPI-1, the MPI_ERROR field is not defined for
single-completion calls */
MEMCHECKER(
opal_memchecker_base_mem_undefined(&status->MPI_ERROR, sizeof(int));
);
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}
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