90 строки
3.5 KiB
C
90 строки
3.5 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) 2004-2006 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) 2008-2015 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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#ifndef MCA_FBTL_POSIX_H
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#define MCA_FBTL_POSIX_H
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#include "ompi_config.h"
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#include "ompi/mca/mca.h"
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#include "ompi/mca/fbtl/fbtl.h"
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#include "ompi/mca/io/ompio/io_ompio.h"
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#include "ompi/mca/io/ompio/io_ompio_request.h"
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extern int mca_fbtl_posix_priority;
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BEGIN_C_DECLS
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int mca_fbtl_posix_component_init_query(bool enable_progress_threads,
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bool enable_mpi_threads);
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struct mca_fbtl_base_module_1_0_0_t *
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mca_fbtl_posix_component_file_query (mca_io_ompio_file_t *file, int *priority);
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int mca_fbtl_posix_component_file_unquery (mca_io_ompio_file_t *file);
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int mca_fbtl_posix_module_init (mca_io_ompio_file_t *file);
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int mca_fbtl_posix_module_finalize (mca_io_ompio_file_t *file);
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extern int fbtl_posix_max_aio_active_reqs;
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OMPI_MODULE_DECLSPEC extern mca_fbtl_base_component_2_0_0_t mca_fbtl_posix_component;
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/*
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* ******************************************************************
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* ********* functions which are implemented in this module *********
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* ******************************************************************
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*/
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ssize_t mca_fbtl_posix_preadv (mca_io_ompio_file_t *file );
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ssize_t mca_fbtl_posix_pwritev (mca_io_ompio_file_t *file );
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ssize_t mca_fbtl_posix_ipreadv (mca_io_ompio_file_t *file,
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ompi_request_t *request);
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ssize_t mca_fbtl_posix_ipwritev (mca_io_ompio_file_t *file,
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ompi_request_t *request);
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bool mca_fbtl_posix_progress ( mca_ompio_request_t *req);
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void mca_fbtl_posix_request_free ( mca_ompio_request_t *req);
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struct mca_fbtl_posix_request_data_t {
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int aio_req_count; /* total number of aio reqs */
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int aio_open_reqs; /* number of unfinished reqs */
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int aio_req_type; /* read or write */
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int aio_req_chunks; /* max. no. of aio reqs that can be posted at once*/
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int aio_first_active_req; /* first active posted req */
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int aio_last_active_req; /* last currently active poted req */
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struct aiocb *aio_reqs; /* pointer array of req structures */
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int *aio_req_status; /* array of statuses */
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ssize_t aio_total_len; /* total amount of data written */
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};
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typedef struct mca_fbtl_posix_request_data_t mca_fbtl_posix_request_data_t;
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/* Right now statically defined, will become a configure check */
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#define FBTL_POSIX_HAVE_AIO 1
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/* define constants for AIO requests */
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#define FBTL_POSIX_READ 1
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#define FBTL_POSIX_WRITE 2
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/*
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* ******************************************************************
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* ************ functions implemented in this module end ************
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* ******************************************************************
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*/
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END_C_DECLS
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#endif /* MCA_FBTL_POSIX_H */
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