90 строки
2.8 KiB
C
90 строки
2.8 KiB
C
/*
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* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
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* University Research and Technology
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* Corporation. All rights reserved.
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* Copyright (c) 2004-2005 The University of Tennessee and The University
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* of Tennessee Research Foundation. All rights
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* reserved.
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* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
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* University of Stuttgart. All rights reserved.
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* Copyright (c) 2004-2005 The Regents of the University of California.
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* All rights reserved.
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* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "ompi_config.h"
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#include <stdio.h>
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#include "ompi/mpi/c/bindings.h"
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#include "ompi/runtime/params.h"
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#include "ompi/communicator/communicator.h"
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#include "ompi/errhandler/errhandler.h"
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#include "ompi/info/info.h"
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#include "ompi/win/win.h"
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#include "ompi/memchecker.h"
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#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Win_allocate = PMPI_Win_allocate
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "ompi/mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Win_allocate";
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int MPI_Win_allocate(MPI_Aint size, int disp_unit, MPI_Info info,
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MPI_Comm comm, void *baseptr, MPI_Win *win)
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{
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int ret = MPI_SUCCESS;
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MEMCHECKER(
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memchecker_comm(comm);
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);
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/* argument checking */
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_comm_invalid (comm)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM,
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FUNC_NAME);
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} else if (NULL == info || ompi_info_is_freed(info)) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_INFO,
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FUNC_NAME);
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} else if (NULL == win) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_WIN, FUNC_NAME);
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} else if ( size < 0 ) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_SIZE, FUNC_NAME);
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} else if ( disp_unit <= 0 ) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_DISP, FUNC_NAME);
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}
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}
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/* communicator must be an intracommunicator */
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if (OMPI_COMM_IS_INTER(comm)) {
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COMM, FUNC_NAME);
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}
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OPAL_CR_ENTER_LIBRARY();
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/* create window and return */
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ret = ompi_win_allocate((size_t)size, disp_unit, info,
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comm, baseptr, win);
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if (OMPI_SUCCESS != ret) {
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*win = MPI_WIN_NULL;
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OPAL_CR_EXIT_LIBRARY();
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return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_WIN, FUNC_NAME);
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}
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OPAL_CR_EXIT_LIBRARY();
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return MPI_SUCCESS;
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}
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