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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*-
*
* Copyright (C) 1997 University of Chicago.
* See COPYRIGHT notice in top-level directory.
*/
#include "adio.h"
#include "adio_extern.h"
#include "ad_zoidfs.h"
#include "ad_zoidfs_common.h"
#define ZOIDFS_READ 0
#define ZOIDFS_WRITE 1
static void ZOIDFS_IOContig(ADIO_File fd, void * buf, int count,
MPI_Datatype datatype, int file_ptr_type,
ADIO_Offset offset, ADIO_Status *status,
int flag, int *error_code)
{
int ret;
MPI_Count datatype_size;
uint64_t file_len;
size_t mem_len;
ADIOI_ZOIDFS_object *zoidfs_obj_ptr;
uint64_t file_offset = offset;
static char myname[] = "ADIOI_ZOIDFS_IOCONTIG";
zoidfs_obj_ptr = (ADIOI_ZOIDFS_object*)fd->fs_ptr;
MPI_Type_size_x(datatype, &datatype_size);
file_len = mem_len = datatype_size * count;
if (file_ptr_type == ADIO_INDIVIDUAL) {
file_offset = fd->fp_ind;
}
if (flag == ZOIDFS_READ) {
NO_STALE(ret, fd, zoidfs_obj_ptr,
zoidfs_read(zoidfs_obj_ptr,
1, &buf, &mem_len,
1, &file_offset, &file_len, ZOIDFS_NO_OP_HINT));
} else {
NO_STALE(ret, fd, zoidfs_obj_ptr,
zoidfs_write(zoidfs_obj_ptr,
1, (const void **)&buf, &mem_len,
1, &file_offset, &file_len, ZOIDFS_NO_OP_HINT));
}
/* --BEGIN ERROR HANDLING-- */
if (ret != ZFS_OK ) {
*error_code = MPIO_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
myname, __LINE__,
ADIOI_ZOIDFS_error_convert(ret),
"Error in ZOIDFS I/O", 0);
goto fn_exit;
}
/* --END ERROR HANDLING-- */
if (file_ptr_type == ADIO_INDIVIDUAL) {
fd->fp_ind += file_len;
}
fd->fp_sys_posn = file_offset + file_len;
#ifdef HAVE_STATUS_SET_BYTES
MPIR_Status_set_bytes(status, datatype, file_len);
#endif
*error_code = MPI_SUCCESS;
fn_exit:
return;
}
void ADIOI_ZOIDFS_ReadContig(ADIO_File fd, void *buf, int count,
MPI_Datatype datatype, int file_ptr_type,
ADIO_Offset offset, ADIO_Status *status,
int *error_code)
{
ZOIDFS_IOContig(fd, buf, count, datatype, file_ptr_type,
offset, status, ZOIDFS_READ, error_code);
}
void ADIOI_ZOIDFS_WriteContig(ADIO_File fd, void *buf, int count,
MPI_Datatype datatype, int file_ptr_type,
ADIO_Offset offset, ADIO_Status *status,
int *error_code)
{
ZOIDFS_IOContig(fd, buf, count, datatype, file_ptr_type,
offset, status, ZOIDFS_WRITE, error_code);
}
/*
* vim: ts=8 sts=4 sw=4 noexpandtab
*/
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