63 строки
2.2 KiB
C
63 строки
2.2 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 (c) 2013 University of Houston. 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 "sharedfp_sm.h"
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#include "mpi.h"
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#include "ompi/constants.h"
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#include "ompi/mca/sharedfp/sharedfp.h"
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#include "ompi/mca/sharedfp/base/base.h"
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int
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mca_sharedfp_sm_get_position(mca_io_ompio_file_t *fh,
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OMPI_MPI_OFFSET_TYPE * offset)
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{
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int ret = OMPI_SUCCESS;
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struct mca_sharedfp_base_data_t *sh = NULL;
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mca_sharedfp_base_module_t * shared_fp_base_module = NULL;
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if(fh->f_sharedfp_data==NULL){
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opal_output(ompi_sharedfp_base_framework.framework_output,
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"sharedfp_sm_write - opening the shared file pointer\n");
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shared_fp_base_module = fh->f_sharedfp;
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ret = shared_fp_base_module->sharedfp_file_open(fh->f_comm,
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fh->f_filename,
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fh->f_amode,
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fh->f_info,
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fh);
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if (ret != OMPI_SUCCESS) {
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opal_output(0,"sharedfp_sm_write - error opening the shared file pointer\n");
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return ret;
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}
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}
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/*Retrieve the shared file data struct*/
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sh = fh->f_sharedfp_data;
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/*Requesting the offset to write 0 bytes,
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*returns the current offset w/o updating it
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*/
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ret = mca_sharedfp_sm_request_position(sh,0,offset);
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return ret;
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}
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