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/*
* Copyright (C) by Argonne National Laboratory
* See COPYRIGHT in top-level directory
*/
#include "adio.h"
#include "ad_quobytefs.h"
#include "ad_quobytefs_internal.h"
void ADIOI_QUOBYTEFS_Fcntl(ADIO_File fd, int flag, ADIO_Fcntl_t * fcntl_struct, int *error_code)
{
static char myname[] = "ADIOI_QUOBYTEFS_FCNTL";
struct stat file_stat;
const char *filepath = ADIOI_QUOBYTEFSI_GetVolumeAndPath(fd->filename);
if (!(filepath > fd->filename)) {
*error_code = ADIOI_Err_create_code(myname, fd->filename, EINVAL);
return;
}
switch (flag) {
case ADIO_FCNTL_GET_FSIZE:
if (quobyte_getattr(filepath, &file_stat)) {
*error_code = ADIOI_Err_create_code(myname, fd->filename, errno);
return;
}
fcntl_struct->fsize = file_stat.st_size;
if (fcntl_struct->fsize == -1) {
*error_code = MPIO_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
myname, __LINE__,
MPI_ERR_IO, "**io", "**io %s", strerror(errno));
} else {
*error_code = MPI_SUCCESS;
}
break;
case ADIO_FCNTL_SET_DISKSPACE:
ADIOI_GEN_Prealloc(fd, fcntl_struct->diskspace, error_code);
break;
case ADIO_FCNTL_SET_ATOMICITY:
fd->atomicity = (fcntl_struct->atomicity == 0) ? 0 : 1;
*error_code = MPI_SUCCESS;
break;
default:
*error_code = MPIO_Err_create_code(MPI_SUCCESS,
MPIR_ERR_RECOVERABLE,
myname, __LINE__,
MPI_ERR_ARG, "**flag", "**flag %d", flag);
}
}
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