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openmpi/ompi/mpi/c/issend.c
Josh Hursey dadca7da88 Merging in the jjhursey-ft-cr-stable branch (r13912 : HEAD).
This merge adds Checkpoint/Restart support to Open MPI. The initial
frameworks and components support a LAM/MPI-like implementation.

This commit follows the risk assessment presented to the Open MPI core
development group on Feb. 22, 2007.

This commit closes trac:158

More details to follow.

This commit was SVN r14051.

The following SVN revisions from the original message are invalid or
inconsistent and therefore were not cross-referenced:
  r13912

The following Trac tickets were found above:
  Ticket 158 --> https://svn.open-mpi.org/trac/ompi/ticket/158
2007-03-16 23:11:45 +00:00

75 строки
2.3 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2005 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "ompi/mpi/c/bindings.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/request/request.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Issend = PMPI_Issend
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Issend";
int MPI_Issend(void *buf, int count, MPI_Datatype type, int dest,
int tag, MPI_Comm comm, MPI_Request *request)
{
int rc = MPI_SUCCESS;
OPAL_CR_TEST_CHECKPOINT_READY();
if ( MPI_PARAM_CHECK ) {
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
} else if (count < 0) {
rc = MPI_ERR_COUNT;
} else if (type == MPI_DATATYPE_NULL) {
rc = MPI_ERR_TYPE;
} else if (tag < 0 || tag > mca_pml.pml_max_tag) {
rc = MPI_ERR_TAG;
} else if (ompi_comm_peer_invalid(comm, dest) &&
(MPI_PROC_NULL != dest)) {
rc = MPI_ERR_RANK;
} else if (request == NULL) {
rc = MPI_ERR_REQUEST;
} else {
OMPI_CHECK_DATATYPE_FOR_SEND(rc, type, count);
OMPI_CHECK_USER_BUFFER(rc, buf, type, count);
}
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
}
if (MPI_PROC_NULL == dest) {
*request = &ompi_request_empty;
return MPI_SUCCESS;
}
rc = MCA_PML_CALL(isend(buf,count,type,dest,tag,
MCA_PML_BASE_SEND_SYNCHRONOUS,comm,request));
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}