sion_generic.h File Reference

#include <stdio.h>
#include "sion_const.h"
#include "sion_datatypes.h"

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Functions
int	sion_generic_create_api (char *name)
int	sion_generic_free_api (int aip)
int	sion_generic_register_create_local_commgroup_cb (int aid, int create_lcg_cb(void **, void *, int, int, int, int, int, int))
int	sion_generic_register_free_local_commgroup_cb (int aid, int free_lcg_cb(void *))
int	sion_generic_register_barrier_cb (int aid, int barrier_cb(void *))
int	sion_generic_register_bcastr_cb (int aid, int bcastr_cb(void *, void *, int, int, int))
int	sion_generic_register_gatherr_cb (int aid, int gatherr_cb(void *, void *, void *, int, int, int))
int	sion_generic_register_gathervr_cb (int aid, int gathervr_cb(void *, void *, void *, int, int *, int, int))
int	sion_generic_register_scatterr_cb (int aid, int scatterr_cb(void *, void *, void *, int, int, int))
int	sion_generic_register_scattervr_cb (int aid, int scattervr_cb(void *, void *, void *, int, int *, int, int))
int	sion_generic_register_get_multi_filename_cb (int aid, char *get_multi_filename_cb(const char *, int))
int	sion_generic_register_gather_and_execute_cb (int aid, int gather_execute_cb(const void *, sion_int64 *, int, sion_int64, void *, int, int, int, int, int process_cb(const void *, sion_int64 *, int)))
int	sion_generic_register_execute_and_scatter_cb (int aid, int execute_scatter_cb(void *, sion_int64 *, int, sion_int64, void *, int, int, int, int, int process_cb(void *, sion_int64 *, int)))
int	sion_generic_register_get_capability_cb (int aid, int get_capability_cb(void *))
int	sion_generic_paropen (int aid, const char *fname, const char *file_mode, sion_int64 *chunksize, sion_int32 *fsblksize, void *gcommgroup, int grank, int gsize, int *filenumber, int *numfiles, const int *lrank, const int *lsize, FILE **fileptr, char **newfname)
	Open a sion file a generic interface. More...
int	sion_generic_parclose (int sid)
int	sion_generic_paropen_mapped (int aid, char *fname, const char *file_mode, int *numFiles, void *gcommgroup, int grank, int gsize, int *nlocaltasks, int **globalranks, sion_int64 **chunksizes, int **mapping_filenrs, int **mapping_lranks, sion_int32 *fsblksize, FILE **fileptr)
int	sion_generic_parclose_mapped (int sid)
int	sion_generic_parreinit (int sid, sion_int64 chunksize)
size_t	sion_coll_fwrite (const void *data, size_t size, size_t nitems, int sid)
size_t	sion_coll_fread (void *data, size_t size, size_t nitems, int sid)

Detailed Description

Generic API Generic API

Definition in file sion_generic.h.

Function Documentation

sion_generic_paropen()

int sion_generic_paropen	(	int	aid,
		const char *	fname,
		const char *	file_mode,
		sion_int64 *	chunksize,
		sion_int32 *	fsblksize,
		void *	gcommgroup,
		int	grank,
		int	gsize,
		int *	filenumber,
		int *	numfiles,
		const int *	lrank,
		const int *	lsize,
		FILE **	fileptr,
		char **	newfname
	)

Open a sion file a generic interface.

For a description please see the description of sion_paropen_mpi.

Parameters

[in]	aid	sion API id
[in]	fname	name of file, should be equal on all tasks
[in]	file_mode	like the type parameter of fopen (currently recognized options: "rb", "wb")
[in,out]	chunksize	maximum size to be written with single write call
[in,out]	fsblksize	file system block size (-1 for automatic)
[in]	gcommgroup	global communicator
[in]	grank	global rank of process
[in]	gsize	size of global communicator
[in,out]	filenumber	file number (for multiple file mode)
[in,out]	numfiles	number of files to use (-1 for automatic choosing from local communicator)
[in]	lrank	local rank of process
[in]	lsize	size of local communicator
[in,out]	fileptr	file pointer (NULL for not using an external file pointer)
[out]	newfname	return value for actual file name if using multiple files

Return values

sid	sion file handle or -1 if error occured

Definition at line 351 of file sion_generic.c.