63 строки
2.0 KiB
C
63 строки
2.0 KiB
C
/*
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* Copyright (c) 2004-2005 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) 2004-2005 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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* $COPYRIGHT$
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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 "mpi/c/bindings.h"
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#include "win/win.h"
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#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
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#pragma weak MPI_Win_free = PMPI_Win_free
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#endif
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#if OMPI_PROFILING_DEFINES
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#include "mpi/c/profile/defines.h"
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#endif
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static const char FUNC_NAME[] = "MPI_Win_free";
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int MPI_Win_free(MPI_Win *win)
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{
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int ret, mode;
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if (MPI_PARAM_CHECK) {
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OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
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if (ompi_win_invalid(*win)) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_WIN, FUNC_NAME);
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}
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/* we allow users to be in an epoch, because that tends to
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happen with people using MPI_FENCE. However, do not allow
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users to be in a Lock / Unlock or a PWSC synchronization */
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mode = ompi_win_get_mode(*win);
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if (0 != (mode & (OMPI_WIN_POSTED | OMPI_WIN_STARTED |
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OMPI_WIN_LOCK_ACCESS))) {
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return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD,
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MPI_ERR_RMA_CONFLICT,
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FUNC_NAME);
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}
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}
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ret = ompi_win_free(*win);
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if (OMPI_SUCCESS == ret) *win = MPI_WIN_NULL;
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OMPI_ERRHANDLER_RETURN(ret, *win, ret, FUNC_NAME);
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}
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