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/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil ; -*- */
/*
*
* Copyright (C) 2004 University of Chicago.
* See COPYRIGHT notice in top-level directory.
*/
#include "adio.h"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
void ADIOI_GEN_Resize(ADIO_File fd, ADIO_Offset size, int *error_code)
{
int err, rank;
static char myname[] = "ADIOI_GEN_RESIZE";
MPI_Comm_rank(fd->comm, &rank);
/* first aggregator performs ftruncate() */
if (rank == fd->hints->ranklist[0]) {
ADIOI_Assert(size == (off_t) size);
err = ftruncate(fd->fd_sys, (off_t)size);
}
/* bcast return value */
MPI_Bcast(&err, 1, MPI_INT, fd->hints->ranklist[0], fd->comm);
/* --BEGIN ERROR HANDLING-- */
if (err == -1) {
*error_code = ADIOI_Err_create_code(myname, fd->filename, errno);
return;
}
/* --END ERROR HANDLING-- */
*error_code = MPI_SUCCESS;
}
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