2013-07-18 01:55:24 +04:00
|
|
|
/*
|
|
|
|
* 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) 2008 University of Houston. All rights reserved.
|
|
|
|
* $COPYRIGHT$
|
|
|
|
*
|
|
|
|
* Additional copyrights may follow
|
|
|
|
*
|
|
|
|
* $HEADER$
|
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef MCA_SHAREDFP_sm_H
|
|
|
|
#define MCA_SHAREDFP_sm_H
|
|
|
|
|
|
|
|
#include "ompi_config.h"
|
|
|
|
#include "opal/mca/mca.h"
|
|
|
|
#include "ompi/mca/sharedfp/sharedfp.h"
|
|
|
|
#include "ompi/mca/io/ompio/io_ompio.h"
|
|
|
|
#include <semaphore.h>
|
|
|
|
|
|
|
|
BEGIN_C_DECLS
|
|
|
|
|
|
|
|
int mca_sharedfp_sm_component_init_query(bool enable_progress_threads,
|
|
|
|
bool enable_mpi_threads);
|
|
|
|
struct mca_sharedfp_base_module_1_0_0_t *
|
|
|
|
mca_sharedfp_sm_component_file_query (mca_io_ompio_file_t *file, int *priority);
|
|
|
|
int mca_sharedfp_sm_component_file_unquery (mca_io_ompio_file_t *file);
|
|
|
|
|
|
|
|
int mca_sharedfp_sm_module_init (mca_io_ompio_file_t *file);
|
|
|
|
int mca_sharedfp_sm_module_finalize (mca_io_ompio_file_t *file);
|
|
|
|
|
|
|
|
extern int mca_sharedfp_sm_priority;
|
|
|
|
extern int mca_sharedfp_sm_verbose;
|
|
|
|
|
|
|
|
OMPI_MODULE_DECLSPEC extern mca_sharedfp_base_component_2_0_0_t mca_sharedfp_sm_component;
|
|
|
|
/*
|
|
|
|
* ******************************************************************
|
|
|
|
* ********* functions which are implemented in this module *********
|
|
|
|
* ******************************************************************
|
|
|
|
*/
|
|
|
|
/*IMPORANT: Update here when implementing functions from sharedfp API*/
|
|
|
|
int mca_sharedfp_sm_seek (mca_io_ompio_file_t *fh,
|
|
|
|
OMPI_MPI_OFFSET_TYPE offset, int whence);
|
|
|
|
int mca_sharedfp_sm_get_position (mca_io_ompio_file_t *fh,
|
|
|
|
OMPI_MPI_OFFSET_TYPE * offset);
|
|
|
|
int mca_sharedfp_sm_file_open (struct ompi_communicator_t *comm,
|
|
|
|
char* filename,
|
|
|
|
int amode,
|
|
|
|
struct ompi_info_t *info,
|
|
|
|
mca_io_ompio_file_t *fh);
|
|
|
|
int mca_sharedfp_sm_file_close (mca_io_ompio_file_t *fh);
|
|
|
|
int mca_sharedfp_sm_read (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf, int count, MPI_Datatype datatype, MPI_Status *status);
|
|
|
|
int mca_sharedfp_sm_read_ordered (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf, int count, struct ompi_datatype_t *datatype,
|
|
|
|
ompi_status_public_t *status
|
|
|
|
);
|
|
|
|
int mca_sharedfp_sm_read_ordered_begin (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
int count,
|
|
|
|
struct ompi_datatype_t *datatype);
|
|
|
|
int mca_sharedfp_sm_read_ordered_end (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
ompi_status_public_t *status);
|
|
|
|
int mca_sharedfp_sm_iread (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
int count,
|
|
|
|
struct ompi_datatype_t *datatype,
|
|
|
|
ompi_request_t **request);
|
|
|
|
int mca_sharedfp_sm_write (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
int count,
|
|
|
|
struct ompi_datatype_t *datatype,
|
|
|
|
ompi_status_public_t *status);
|
|
|
|
int mca_sharedfp_sm_write_ordered (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
int count,
|
|
|
|
struct ompi_datatype_t *datatype,
|
|
|
|
ompi_status_public_t *status);
|
|
|
|
int mca_sharedfp_sm_write_ordered_begin (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
int count,
|
|
|
|
struct ompi_datatype_t *datatype);
|
|
|
|
int mca_sharedfp_sm_write_ordered_end (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
ompi_status_public_t *status);
|
|
|
|
int mca_sharedfp_sm_iwrite (mca_io_ompio_file_t *fh,
|
|
|
|
void *buf,
|
|
|
|
int count,
|
|
|
|
struct ompi_datatype_t *datatype,
|
|
|
|
ompi_request_t **request);
|
|
|
|
/*--------------------------------------------------------------*
|
|
|
|
*Structures and definitions only for this component
|
|
|
|
*--------------------------------------------------------------*/
|
|
|
|
|
|
|
|
struct sm_offset{
|
|
|
|
sem_t mutex; /* the mutex: a Posix memory-based semaphore */
|
|
|
|
long long offset; /* and the shared file pointer offset */
|
2013-07-19 00:17:14 +04:00
|
|
|
};
|
2013-07-18 01:55:24 +04:00
|
|
|
|
|
|
|
/*This structure will hang off of the mca_sharedfp_base_data_t's
|
|
|
|
*selected_module_data attribute
|
|
|
|
*/
|
|
|
|
struct mca_sharedfp_sm_data
|
|
|
|
{
|
|
|
|
struct sm_offset * sm_offset_ptr;
|
|
|
|
/*save filename so that we can remove the file on close*/
|
|
|
|
char * sm_filename;
|
|
|
|
};
|
|
|
|
|
|
|
|
typedef struct mca_sharedfp_sm_data sm_data;
|
|
|
|
|
|
|
|
|
|
|
|
int mca_sharedfp_sm_request_position (struct mca_sharedfp_base_data_t * sh,
|
|
|
|
int bytes_requested,
|
|
|
|
OMPI_MPI_OFFSET_TYPE * offset);
|
|
|
|
/*
|
|
|
|
* ******************************************************************
|
|
|
|
* ************ functions implemented in this module end ************
|
|
|
|
* ******************************************************************
|
|
|
|
*/
|
|
|
|
|
|
|
|
END_C_DECLS
|
|
|
|
|
|
|
|
#endif /* MCA_SHAREDFP_sm_H */
|