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openmpi/ompi/mca/sharedfp/addproc/sharedfp_addproc.c
Edgar Gabriel 6e8522fec5 infuse life into the shared file pointer framework. For this:
- extend the framework API
 - remove the dummy component, not require anymore
 - add four components to perform the actual job.

This commit was SVN r28828.
2013-07-17 21:55:24 +00:00

98 строки
3.4 KiB
C

/*
* Copyright (c) 2004-2005 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2006 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 (c) 2013 University of Houston. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*
* These symbols are in a file by themselves to provide nice linker
* semantics. Since linkers generally pull in symbols by object fules,
* keeping these symbols as the only symbols in this file prevents
* utility programs such as "ompi_info" from having to import entire
* modules just to query their version and parameters
*/
#include "ompi_config.h"
#include "mpi.h"
#include "ompi/mca/sharedfp/sharedfp.h"
#include "ompi/mca/sharedfp/addproc/sharedfp_addproc.h"
/*
* *******************************************************************
* ************************ actions structure ************************
* *******************************************************************
*/
/* IMPORTANT: Update here when adding sharedfp component interface functions*/
static mca_sharedfp_base_module_1_0_0_t addproc = {
mca_sharedfp_addproc_module_init, /* initalise after being selected */
mca_sharedfp_addproc_module_finalize, /* close a module on a communicator */
mca_sharedfp_addproc_seek,
mca_sharedfp_addproc_get_position,
mca_sharedfp_addproc_read,
mca_sharedfp_addproc_read_ordered,
mca_sharedfp_addproc_read_ordered_begin,
mca_sharedfp_addproc_read_ordered_end,
mca_sharedfp_addproc_iread,
mca_sharedfp_addproc_write,
mca_sharedfp_addproc_write_ordered,
mca_sharedfp_addproc_write_ordered_begin,
mca_sharedfp_addproc_write_ordered_end,
mca_sharedfp_addproc_iwrite,
mca_sharedfp_addproc_file_open,
mca_sharedfp_addproc_file_close
};
/*
* *******************************************************************
* ************************* structure ends **************************
* *******************************************************************
*/
int mca_sharedfp_addproc_component_init_query(bool enable_progress_threads,
bool enable_mpi_threads)
{
/* Nothing to do */
return OMPI_SUCCESS;
}
struct mca_sharedfp_base_module_1_0_0_t *
mca_sharedfp_addproc_component_file_query
(mca_io_ompio_file_t *fh, int *priority) {
*priority = mca_sharedfp_addproc_priority;
/*test, and update priority*/
return &addproc;
}
int mca_sharedfp_addproc_component_file_unquery (mca_io_ompio_file_t *file)
{
/* This function might be needed for some purposes later. for now it
* does not have anything to do since there are no steps which need
* to be undone if this module is not selected */
return OMPI_SUCCESS;
}
int mca_sharedfp_addproc_module_init (mca_io_ompio_file_t *file)
{
return OMPI_SUCCESS;
}
int mca_sharedfp_addproc_module_finalize (mca_io_ompio_file_t *file)
{
return OMPI_SUCCESS;
}