sion_generic_internal.h

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/****************************************************************************
**  SIONLIB     http://www.fz-juelich.de/jsc/sionlib                       **
*****************************************************************************
**  Copyright (c) 2008-2016                                                **
**  Forschungszentrum Juelich, Juelich Supercomputing Centre               **
**                                                                         **
**  See the file COPYRIGHT in the package base directory for details       **
****************************************************************************/

#ifndef SION_SION_GENERIC_INTERNAL
#define SION_SION_GENERIC_INTERNAL

#include "sion_generic_apidesc.h"
#include "sion_flags.h"


#define _SION_INTERNAL_FLAG_NORMAL        1
#define _SION_INTERNAL_FLAG_BUDDY_NORMAL  2
#define _SION_INTERNAL_FLAG_BUDDY_SEND    4
#define _SION_INTERNAL_FLAG_BUDDY_COLL    8
#define _SION_INTERNAL_FLAG_BUDDY_READ   16
#define _SION_INTERNAL_FLAG_UNKNOWN      32

/* internal interface routines, containing parallel functionality (e.g. meta data management) */
int _sion_paropen_generic_one_file(
                   int sid,
                   char  *fname,
                   _sion_flags_store *flags_store,
                   char  *prefix,
                   int   *numFiles,
                   int   *filenumber, 
                   sion_int64  *chunksize,
                   sion_int32  *fsblksize,
                   int    rank,
                   int    ntasks,
                   int   *globalrank,
                   int    flag,
                   FILE **fileptr,
                   _sion_generic_gendata *sion_gendata,
                   _sion_generic_buddy   *buddy_info);

int _sion_parclose_generic(int sid,
               int rank,
               int ntasks,
               int mapping_size,
               sion_int32 *mapping,
               int    flag,
               _sion_generic_gendata *sion_gendata,
               _sion_generic_buddy   *buddy_info);

int _sion_parreinit_generic(
                int sid,
                sion_int64 chunksize,
                int rank,
                int ntasks,
                _sion_generic_gendata *sion_gendata);

/* internal functions */
int _sion_generic_get_and_distribute_info_from_file(  _sion_generic_gendata *sion_gendata, const char *fname);
int _sion_generic_collect_mapping( _sion_filedesc *sion_filedesc,
                   int            *mapping_size,
                   sion_int32    **mapping );


#endif