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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"
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
void ADIO_Close(ADIO_File fd, int *error_code)
{
int i, j, k, combiner, myrank, err, is_contig;
static char myname[] = "ADIO_CLOSE";
if (fd->async_count) {
*error_code = MPIO_Err_create_code(MPI_SUCCESS, MPIR_ERR_RECOVERABLE,
myname, __LINE__, MPI_ERR_IO, "**io",
"**io %s", strerror(errno));
return;
}
/* because of deferred open, this warants a bit of explaining. First, if
* we've done aggregation,
* then close the file. Then, if any process left has done independent
* i/o, close the file. Otherwise, we'll skip the fs-specific close and
* just say everything is a-ok.
*
* XXX: is it ok for those processes with a "real" communicator and those
* with "MPI_COMM_SELF" to both call ADIOI_xxx_Close at the same time ?
* everyone who ever opened the file will close it. Is order important? Is
* timing important?
*/
if (fd->hints->deferred_open && fd->is_agg) {
(*(fd->fns->ADIOI_xxx_Close))(fd, error_code);
} else {
if(fd->is_open) {
(*(fd->fns->ADIOI_xxx_Close))(fd, error_code);
} else {
*error_code = MPI_SUCCESS;
}
}
if (fd->access_mode & ADIO_DELETE_ON_CLOSE) {
/* if we are doing aggregation and deferred open, then it's possible
* that rank 0 does not have access to the file. make sure only an
* aggregator deletes the file.*/
MPI_Comm_rank(fd->comm, &myrank);
if (myrank == fd->hints->ranklist[0]) {
ADIO_Delete(fd->filename, &err);
}
MPI_Barrier(fd->comm);
}
if (fd->fortran_handle != -1) {
ADIOI_Ftable[fd->fortran_handle] = MPI_FILE_NULL;
}
if (fd->hints) ADIOI_Free(fd->hints->ranklist);
if (fd->hints && fd->hints->cb_config_list) ADIOI_Free(fd->hints->cb_config_list);
/* This BlueGene platform-specific free must be done in the common code
* because the malloc's for these hint data structures are done at the
* scope of ADIO_Open within the SetInfo call (ADIOI_GPFS_SetInfo which
* calls ADIOI_BG_gen_agg_ranklist). They cannot be done in the
* ADIOI_GPFS_Close because of the file creation case where the
* ADIOI_GPFS_Close and re-open via ADIOI_GPFS_Open are done which results
* in a double-free - ADIOI_GPFS_Open does not redo the SetInfo... */
#ifdef BGQPLATFORM
if (fd->hints && fd->hints->fs_hints.bg.bridgelist) ADIOI_Free(fd->hints->fs_hints.bg.bridgelist);
if (fd->hints && fd->hints->fs_hints.bg.bridgelistnum) ADIOI_Free(fd->hints->fs_hints.bg.bridgelistnum);
#endif
/* Persistent File Realms */
if (fd->hints->cb_pfr == ADIOI_HINT_ENABLE) {
/* AAR, FSIZE, and User provided uniform File realms */
if (1) {
ADIOI_Delete_flattened (fd->file_realm_types[0]);
MPI_Type_free (&fd->file_realm_types[0]);
}
else {
for (i=0; i<fd->hints->cb_nodes; i++) {
ADIOI_Datatype_iscontig(fd->file_realm_types[i], &is_contig);
if (!is_contig)
ADIOI_Delete_flattened(fd->file_realm_types[i]);
MPI_Type_free (&fd->file_realm_types[i]);
}
}
ADIOI_Free(fd->file_realm_st_offs);
ADIOI_Free(fd->file_realm_types);
}
ADIOI_Free(fd->hints);
MPI_Comm_free(&(fd->comm));
ADIOI_Free(fd->filename);
MPI_Type_get_envelope(fd->etype, &i, &j, &k, &combiner);
if (combiner != MPI_COMBINER_NAMED) MPI_Type_free(&(fd->etype));
ADIOI_Datatype_iscontig(fd->filetype, &is_contig);
if (!is_contig) ADIOI_Delete_flattened(fd->filetype);
MPI_Type_get_envelope(fd->filetype, &i, &j, &k, &combiner);
if (combiner != MPI_COMBINER_NAMED) MPI_Type_free(&(fd->filetype));
MPI_Info_free(&(fd->info));
ADIOI_Free(fd->io_buf);
ADIOI_OneSidedCleanup(fd);
/* memory for fd is freed in MPI_File_close */
}
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