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openmpi/ompi/mpi/c/win_allocate_shared.c
2015-06-23 20:59:57 -07:00

91 строка
2.9 KiB
C

/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
/*
* 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) 2004-2008 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 (c) 2006 Cisco Systems, Inc. All rights reserved.
* Copyright (c) 2014 Los Alamos National Security, LLC. 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/communicator/communicator.h"
#include "ompi/errhandler/errhandler.h"
#include "ompi/info/info.h"
#include "ompi/win/win.h"
#include "ompi/memchecker.h"
#if OPAL_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Win_allocate_shared = PMPI_Win_allocate_shared
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Win_allocate_shared";
int MPI_Win_allocate_shared(MPI_Aint size, int disp_unit, MPI_Info info,
MPI_Comm comm, void *baseptr, MPI_Win *win)
{
int ret = MPI_SUCCESS;
MEMCHECKER(
memchecker_comm(comm);
);
/* argument checking */
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 (NULL == info || ompi_info_is_freed(info)) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_INFO,
FUNC_NAME);
} else if (NULL == win) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_WIN, FUNC_NAME);
} else if ( size < 0 ) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_SIZE, FUNC_NAME);
}
}
/* communicator must be an intracommunicator */
if (OMPI_COMM_IS_INTER(comm)) {
return OMPI_ERRHANDLER_INVOKE(comm, MPI_ERR_COMM, FUNC_NAME);
}
OPAL_CR_ENTER_LIBRARY();
/* create window and return */
ret = ompi_win_allocate_shared((size_t)size, disp_unit, info,
comm, baseptr, win);
if (OMPI_SUCCESS != ret) {
*win = MPI_WIN_NULL;
OPAL_CR_EXIT_LIBRARY();
OMPI_ERRHANDLER_RETURN (ret, comm, ret, FUNC_NAME);
}
OPAL_CR_EXIT_LIBRARY();
return MPI_SUCCESS;
}