sion_filedesc.c File Reference

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <time.h>
#include <assert.h>
#include "sion.h"
#include "sion_debug.h"
#include "sion_error_handler.h"
#include "sion_internal.h"
#include "sion_filedesc.h"
#include "sion_keyvalue_keymngr.h"

Include dependency graph for sion_filedesc.c:

Go to the source code of this file.

Macros
#define	_XOPEN_SOURCE   700
#define	DFUNCTION   "_sion_init_filedesc"
#define	DFUNCTION   "_sion_alloc_filedesc"
#define	DFUNCTION   "_sion_realloc_filedesc_blocklist"
#define	DFUNCTION   "_sion_alloc_filedesc_all_chunksizes"
#define	DFUNCTION   "_sion_alloc_filedesc_all_startpointers"
#define	DFUNCTION   "_sion_alloc_filedesc_all_globalranks"
#define	DFUNCTION   "_sion_alloc_filedesc_all_localranks"
#define	DFUNCTION   "_sion_alloc_filedesc_all_keyvalptr"
#define	DFUNCTION   "_sion_alloc_filedesc_arrays"
#define	DFUNCTION   "_sion_free_filedesc_all_chunksizes"
#define	DFUNCTION   "_sion_free_filedesc_all_globalranks"
#define	DFUNCTION   "_sion_free_filedesc_all_startpointers"
#define	DFUNCTION   "_sion_free_filedesc_all_localranks"
#define	DFUNCTION   "_sion_free_filedesc_all_keyvalptr"
#define	DFUNCTION   "_sion_free_filedesc_arrays"
#define	DFUNCTION   "_sion_alloc_filedesc_coll_arrays"
#define	DFUNCTION   "_sion_free_filedesc_coll_arrays"
#define	DFUNCTION   "_sion_alloc_filedesc_block_arrays"
#define	DFUNCTION   "_sion_alloc_filedesc_block_arrays_only"
#define	DFUNCTION   "_sion_free_filedesc"
#define	DFUNCTION   "_sion_print_filedesc"
#define	DFUNCTION   "_sion_get_size_of_filedesc"
#define	DFUNCTION   "_sion_dup_filedesc"

Functions
int	_sion_init_filedesc (_sion_filedesc *sion_filedesc)
	Initialize the sion file description. More...
_sion_filedesc *	_sion_alloc_filedesc (void)
	Allocates memory for internal sion structure. More...
int	_sion_realloc_filedesc_blocklist (_sion_filedesc *sion_filedesc, sion_int32 maxchunks)
	Increase the memory used by the internal sion structure for the blocklist. More...
int	_sion_alloc_filedesc_all_chunksizes (_sion_filedesc *sion_filedesc)
int	_sion_alloc_filedesc_all_startpointers (_sion_filedesc *sion_filedesc)
int	_sion_alloc_filedesc_all_globalranks (_sion_filedesc *sion_filedesc)
int	_sion_alloc_filedesc_all_localranks (_sion_filedesc *sion_filedesc)
int	_sion_alloc_filedesc_all_keyvalptr (_sion_filedesc *sion_filedesc)
int	_sion_alloc_filedesc_arrays (_sion_filedesc *sion_filedesc)
	Allocate memory for the internal sion arrays. More...
int	_sion_free_filedesc_all_chunksizes (_sion_filedesc *sion_filedesc)
int	_sion_free_filedesc_all_globalranks (_sion_filedesc *sion_filedesc)
int	_sion_free_filedesc_all_startpointers (_sion_filedesc *sion_filedesc)
int	_sion_free_filedesc_all_localranks (_sion_filedesc *sion_filedesc)
int	_sion_free_filedesc_all_keyvalptr (_sion_filedesc *sion_filedesc)
int	_sion_free_filedesc_arrays (_sion_filedesc *sion_filedesc)
	free memory for the internal sion arrays More...
int	_sion_alloc_filedesc_coll_arrays (_sion_filedesc *sion_filedesc)
	Allocate memory for the internal sion arrays. More...
int	_sion_free_filedesc_coll_arrays (_sion_filedesc *sion_filedesc)
	free memory for the internal sion arrays More...
int	_sion_alloc_filedesc_block_arrays (_sion_filedesc *sion_filedesc)
	Allocate memory for the internal sion structure, fields for all chunksizes of all tasks. More...
int	_sion_alloc_filedesc_block_arrays_only (_sion_filedesc *sion_filedesc)
	Allocate memory for the internal sion structure, fields for all chunksizes of all tasks. More...
int	_sion_free_filedesc (_sion_filedesc *sion_filedesc)
int	_sion_print_filedesc (_sion_filedesc *sion_filedesc, int level, char *desc, int flag)
	Print the initialized sion file description. More...
int	_sion_get_size_of_filedesc (_sion_filedesc *sion_filedesc, int *numbytes, int *numfds)
	get size of internal data structure sion_filedesc More...
_sion_filedesc *	_sion_dup_filedesc (_sion_filedesc *sion_filedesc)
	duplicates a filedesc data structure, not copying/reopen active file pointers More...

Function Documentation

_sion_alloc_filedesc()

_sion_filedesc* _sion_alloc_filedesc

(

void

)

Allocates memory for internal sion structure.

Return values

pointer

to a new sion_filedesc structure

Definition at line 168 of file sion_filedesc.c.

Referenced by _sion_open_read().

_sion_alloc_filedesc_arrays()

int _sion_alloc_filedesc_arrays

(

_sion_filedesc *

sion_filedesc

)

Allocate memory for the internal sion arrays.

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 336 of file sion_filedesc.c.

_sion_alloc_filedesc_block_arrays()

int _sion_alloc_filedesc_block_arrays

(

_sion_filedesc *

sion_filedesc

)

Allocate memory for the internal sion structure, fields for all chunksizes of all tasks.

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 522 of file sion_filedesc.c.

_sion_alloc_filedesc_block_arrays_only()

int _sion_alloc_filedesc_block_arrays_only

(

_sion_filedesc *

sion_filedesc

)

Allocate memory for the internal sion structure, fields for all chunksizes of all tasks.

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 570 of file sion_filedesc.c.

_sion_alloc_filedesc_coll_arrays()

int _sion_alloc_filedesc_coll_arrays

(

_sion_filedesc *

sion_filedesc

)

Allocate memory for the internal sion arrays.

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 447 of file sion_filedesc.c.

References _sion_filedesc_struct::ntasks.

_sion_dup_filedesc()

_sion_filedesc* _sion_dup_filedesc

(

_sion_filedesc *

sion_filedesc

)

duplicates a filedesc data structure, not copying/reopen active file pointers

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

ptr	to a copy of sion_filedesc, or NULL if fails

Definition at line 1032 of file sion_filedesc.c.

_sion_free_filedesc_arrays()

int _sion_free_filedesc_arrays

(

_sion_filedesc *

sion_filedesc

)

free memory for the internal sion arrays

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 429 of file sion_filedesc.c.

_sion_free_filedesc_coll_arrays()

int _sion_free_filedesc_coll_arrays

(

_sion_filedesc *

sion_filedesc

)

free memory for the internal sion arrays

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 494 of file sion_filedesc.c.

_sion_get_size_of_filedesc()

int _sion_get_size_of_filedesc	(	_sion_filedesc *	sion_filedesc,
		int *	numbytes,
		int *	numfds
	)

get size of internal data structure sion_filedesc

Parameters

*sion_filedesc	sion file description struct (_sion_filedesc)
*numbytes	int, number of bytes allcated for that data structure
*numfds	int, number of open file descriptors

Definition at line 870 of file sion_filedesc.c.

_sion_init_filedesc()

int _sion_init_filedesc

(

_sion_filedesc *

sion_filedesc

)

Initialize the sion file description.

Parameters

*sion_filedesc

sion file description struct (_sion_filedesc)

Return values

SION_SUCCESS

if OK

Definition at line 37 of file sion_filedesc.c.

_sion_print_filedesc()

int _sion_print_filedesc	(	_sion_filedesc *	sion_filedesc,
		int	level,
		char *	desc,
		int	flag
	)

Print the initialized sion file description.

Return values

SION_SUCCESS

if OK

Definition at line 656 of file sion_filedesc.c.

_sion_realloc_filedesc_blocklist()

int _sion_realloc_filedesc_blocklist	(	_sion_filedesc *	sion_filedesc,
		sion_int32	maxchunks
	)

Increase the memory used by the internal sion structure for the blocklist.

Parameters

*sion_filedesc	sion file description struct (_sion_filedesc)
maxchunks	maximum number of chunks written by all tasks

Return values

SION_SUCCESS

if OK

Definition at line 191 of file sion_filedesc.c.