hdf5/testpar/t_prop.c
2023-09-05 11:49:37 -07:00

640 lines
22 KiB
C

/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Parallel tests for encoding/decoding plists sent between processes
*/
#include "testphdf5.h"
#include "H5ACprivate.h"
#include "H5Pprivate.h"
static int
test_encode_decode(hid_t orig_pl, int mpi_rank, int recv_proc)
{
MPI_Request req[2];
MPI_Status status;
hid_t pl; /* Decoded property list */
size_t buf_size = 0;
void *sbuf = NULL;
herr_t ret; /* Generic return value */
if (mpi_rank == 0) {
int send_size = 0;
/* first call to encode returns only the size of the buffer needed */
ret = H5Pencode2(orig_pl, NULL, &buf_size, H5P_DEFAULT);
VRFY((ret >= 0), "H5Pencode succeeded");
sbuf = (uint8_t *)malloc(buf_size);
ret = H5Pencode2(orig_pl, sbuf, &buf_size, H5P_DEFAULT);
VRFY((ret >= 0), "H5Pencode succeeded");
/* this is a temp fix to send this size_t */
send_size = (int)buf_size;
MPI_Isend(&send_size, 1, MPI_INT, recv_proc, 123, MPI_COMM_WORLD, &req[0]);
MPI_Isend(sbuf, send_size, MPI_BYTE, recv_proc, 124, MPI_COMM_WORLD, &req[1]);
} /* end if */
if (mpi_rank == recv_proc) {
int recv_size;
void *rbuf;
MPI_Recv(&recv_size, 1, MPI_INT, 0, 123, MPI_COMM_WORLD, &status);
buf_size = (size_t)recv_size;
rbuf = (uint8_t *)malloc(buf_size);
MPI_Recv(rbuf, recv_size, MPI_BYTE, 0, 124, MPI_COMM_WORLD, &status);
pl = H5Pdecode(rbuf);
VRFY((pl >= 0), "H5Pdecode succeeded");
VRFY(H5Pequal(orig_pl, pl), "Property List Equal Succeeded");
ret = H5Pclose(pl);
VRFY((ret >= 0), "H5Pclose succeeded");
if (NULL != rbuf)
free(rbuf);
} /* end if */
if (0 == mpi_rank) {
/* gcc 11 complains about passing MPI_STATUSES_IGNORE as an MPI_Status
* array. See the discussion here:
*
* https://github.com/pmodels/mpich/issues/5687
*/
H5_GCC_DIAG_OFF("stringop-overflow")
MPI_Waitall(2, req, MPI_STATUSES_IGNORE);
H5_GCC_DIAG_ON("stringop-overflow")
}
if (NULL != sbuf)
free(sbuf);
MPI_Barrier(MPI_COMM_WORLD);
return 0;
}
void
test_plist_ed(void)
{
hid_t dcpl; /* dataset create prop. list */
hid_t dapl; /* dataset access prop. list */
hid_t dxpl; /* dataset transfer prop. list */
hid_t gcpl; /* group create prop. list */
hid_t lcpl; /* link create prop. list */
hid_t lapl; /* link access prop. list */
hid_t ocpypl; /* object copy prop. list */
hid_t ocpl; /* object create prop. list */
hid_t fapl; /* file access prop. list */
hid_t fcpl; /* file create prop. list */
hid_t strcpl; /* string create prop. list */
hid_t acpl; /* attribute create prop. list */
int mpi_size, mpi_rank, recv_proc;
hsize_t chunk_size = 16384; /* chunk size */
double fill = 2.7; /* Fill value */
size_t nslots = 521 * 2;
size_t nbytes = 1048576 * 10;
double w0 = 0.5;
unsigned max_compact;
unsigned min_dense;
hsize_t max_size[1]; /*data space maximum size */
const char *c_to_f = "x+32";
H5AC_cache_config_t my_cache_config = {H5AC__CURR_CACHE_CONFIG_VERSION,
true,
false,
false,
"temp",
true,
false,
(2 * 2048 * 1024),
0.3,
(64 * 1024 * 1024),
(4 * 1024 * 1024),
60000,
H5C_incr__threshold,
0.8,
3.0,
true,
(8 * 1024 * 1024),
H5C_flash_incr__add_space,
2.0,
0.25,
H5C_decr__age_out_with_threshold,
0.997,
0.8,
true,
(3 * 1024 * 1024),
3,
false,
0.2,
(256 * 2048),
H5AC__DEFAULT_METADATA_WRITE_STRATEGY};
herr_t ret; /* Generic return value */
if (VERBOSE_MED)
printf("Encode/Decode DCPLs\n");
/* set up MPI parameters */
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
if (mpi_size == 1)
recv_proc = 0;
else
recv_proc = 1;
dcpl = H5Pcreate(H5P_DATASET_CREATE);
VRFY((dcpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_chunk(dcpl, 1, &chunk_size);
VRFY((ret >= 0), "H5Pset_chunk succeeded");
ret = H5Pset_alloc_time(dcpl, H5D_ALLOC_TIME_LATE);
VRFY((ret >= 0), "H5Pset_alloc_time succeeded");
ret = H5Pset_fill_value(dcpl, H5T_NATIVE_DOUBLE, &fill);
VRFY((ret >= 0), "set fill-value succeeded");
max_size[0] = 100;
ret = H5Pset_external(dcpl, "ext1.data", (off_t)0, (hsize_t)(max_size[0] * sizeof(int) / 4));
VRFY((ret >= 0), "set external succeeded");
ret = H5Pset_external(dcpl, "ext2.data", (off_t)0, (hsize_t)(max_size[0] * sizeof(int) / 4));
VRFY((ret >= 0), "set external succeeded");
ret = H5Pset_external(dcpl, "ext3.data", (off_t)0, (hsize_t)(max_size[0] * sizeof(int) / 4));
VRFY((ret >= 0), "set external succeeded");
ret = H5Pset_external(dcpl, "ext4.data", (off_t)0, (hsize_t)(max_size[0] * sizeof(int) / 4));
VRFY((ret >= 0), "set external succeeded");
ret = test_encode_decode(dcpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(dcpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE DAPLS *****/
dapl = H5Pcreate(H5P_DATASET_ACCESS);
VRFY((dapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_chunk_cache(dapl, nslots, nbytes, w0);
VRFY((ret >= 0), "H5Pset_chunk_cache succeeded");
ret = test_encode_decode(dapl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(dapl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE OCPLS *****/
ocpl = H5Pcreate(H5P_OBJECT_CREATE);
VRFY((ocpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_attr_creation_order(ocpl, (H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED));
VRFY((ret >= 0), "H5Pset_attr_creation_order succeeded");
ret = H5Pset_attr_phase_change(ocpl, 110, 105);
VRFY((ret >= 0), "H5Pset_attr_phase_change succeeded");
ret = H5Pset_filter(ocpl, H5Z_FILTER_FLETCHER32, 0, (size_t)0, NULL);
VRFY((ret >= 0), "H5Pset_filter succeeded");
ret = test_encode_decode(ocpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(ocpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE DXPLS *****/
dxpl = H5Pcreate(H5P_DATASET_XFER);
VRFY((dxpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_btree_ratios(dxpl, 0.2, 0.6, 0.2);
VRFY((ret >= 0), "H5Pset_btree_ratios succeeded");
ret = H5Pset_hyper_vector_size(dxpl, 5);
VRFY((ret >= 0), "H5Pset_hyper_vector_size succeeded");
ret = H5Pset_dxpl_mpio(dxpl, H5FD_MPIO_COLLECTIVE);
VRFY((ret >= 0), "H5Pset_dxpl_mpio succeeded");
ret = H5Pset_dxpl_mpio_collective_opt(dxpl, H5FD_MPIO_INDIVIDUAL_IO);
VRFY((ret >= 0), "H5Pset_dxpl_mpio_collective_opt succeeded");
ret = H5Pset_dxpl_mpio_chunk_opt(dxpl, H5FD_MPIO_CHUNK_MULTI_IO);
VRFY((ret >= 0), "H5Pset_dxpl_mpio_chunk_opt succeeded");
ret = H5Pset_dxpl_mpio_chunk_opt_ratio(dxpl, 30);
VRFY((ret >= 0), "H5Pset_dxpl_mpio_chunk_opt_ratio succeeded");
ret = H5Pset_dxpl_mpio_chunk_opt_num(dxpl, 40);
VRFY((ret >= 0), "H5Pset_dxpl_mpio_chunk_opt_num succeeded");
ret = H5Pset_edc_check(dxpl, H5Z_DISABLE_EDC);
VRFY((ret >= 0), "H5Pset_edc_check succeeded");
ret = H5Pset_data_transform(dxpl, c_to_f);
VRFY((ret >= 0), "H5Pset_data_transform succeeded");
ret = test_encode_decode(dxpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(dxpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE GCPLS *****/
gcpl = H5Pcreate(H5P_GROUP_CREATE);
VRFY((gcpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_local_heap_size_hint(gcpl, 256);
VRFY((ret >= 0), "H5Pset_local_heap_size_hint succeeded");
ret = H5Pset_link_phase_change(gcpl, 2, 2);
VRFY((ret >= 0), "H5Pset_link_phase_change succeeded");
/* Query the group creation properties */
ret = H5Pget_link_phase_change(gcpl, &max_compact, &min_dense);
VRFY((ret >= 0), "H5Pget_est_link_info succeeded");
ret = H5Pset_est_link_info(gcpl, 3, 9);
VRFY((ret >= 0), "H5Pset_est_link_info succeeded");
ret = H5Pset_link_creation_order(gcpl, (H5P_CRT_ORDER_TRACKED | H5P_CRT_ORDER_INDEXED));
VRFY((ret >= 0), "H5Pset_link_creation_order succeeded");
ret = test_encode_decode(gcpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(gcpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE LCPLS *****/
lcpl = H5Pcreate(H5P_LINK_CREATE);
VRFY((lcpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_create_intermediate_group(lcpl, true);
VRFY((ret >= 0), "H5Pset_create_intermediate_group succeeded");
ret = test_encode_decode(lcpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(lcpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE LAPLS *****/
lapl = H5Pcreate(H5P_LINK_ACCESS);
VRFY((lapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_nlinks(lapl, (size_t)134);
VRFY((ret >= 0), "H5Pset_nlinks succeeded");
ret = H5Pset_elink_acc_flags(lapl, H5F_ACC_RDONLY);
VRFY((ret >= 0), "H5Pset_elink_acc_flags succeeded");
ret = H5Pset_elink_prefix(lapl, "/tmpasodiasod");
VRFY((ret >= 0), "H5Pset_nlinks succeeded");
/* Create FAPL for the elink FAPL */
fapl = H5Pcreate(H5P_FILE_ACCESS);
VRFY((fapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_alignment(fapl, 2, 1024);
VRFY((ret >= 0), "H5Pset_alignment succeeded");
ret = H5Pset_elink_fapl(lapl, fapl);
VRFY((ret >= 0), "H5Pset_elink_fapl succeeded");
/* Close the elink's FAPL */
ret = H5Pclose(fapl);
VRFY((ret >= 0), "H5Pclose succeeded");
ret = test_encode_decode(lapl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(lapl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE OCPYPLS *****/
ocpypl = H5Pcreate(H5P_OBJECT_COPY);
VRFY((ocpypl >= 0), "H5Pcreate succeeded");
ret = H5Pset_copy_object(ocpypl, H5O_COPY_EXPAND_EXT_LINK_FLAG);
VRFY((ret >= 0), "H5Pset_copy_object succeeded");
ret = H5Padd_merge_committed_dtype_path(ocpypl, "foo");
VRFY((ret >= 0), "H5Padd_merge_committed_dtype_path succeeded");
ret = H5Padd_merge_committed_dtype_path(ocpypl, "bar");
VRFY((ret >= 0), "H5Padd_merge_committed_dtype_path succeeded");
ret = test_encode_decode(ocpypl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(ocpypl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE FAPLS *****/
fapl = H5Pcreate(H5P_FILE_ACCESS);
VRFY((fapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_family_offset(fapl, 1024);
VRFY((ret >= 0), "H5Pset_family_offset succeeded");
ret = H5Pset_meta_block_size(fapl, 2098452);
VRFY((ret >= 0), "H5Pset_meta_block_size succeeded");
ret = H5Pset_sieve_buf_size(fapl, 1048576);
VRFY((ret >= 0), "H5Pset_sieve_buf_size succeeded");
ret = H5Pset_alignment(fapl, 2, 1024);
VRFY((ret >= 0), "H5Pset_alignment succeeded");
ret = H5Pset_cache(fapl, 1024, 128, 10485760, 0.3);
VRFY((ret >= 0), "H5Pset_cache succeeded");
ret = H5Pset_elink_file_cache_size(fapl, 10485760);
VRFY((ret >= 0), "H5Pset_elink_file_cache_size succeeded");
ret = H5Pset_gc_references(fapl, 1);
VRFY((ret >= 0), "H5Pset_gc_references succeeded");
ret = H5Pset_small_data_block_size(fapl, 2048);
VRFY((ret >= 0), "H5Pset_small_data_block_size succeeded");
ret = H5Pset_libver_bounds(fapl, H5F_LIBVER_LATEST, H5F_LIBVER_LATEST);
VRFY((ret >= 0), "H5Pset_libver_bounds succeeded");
ret = H5Pset_fclose_degree(fapl, H5F_CLOSE_WEAK);
VRFY((ret >= 0), "H5Pset_fclose_degree succeeded");
ret = H5Pset_multi_type(fapl, H5FD_MEM_GHEAP);
VRFY((ret >= 0), "H5Pset_multi_type succeeded");
ret = H5Pset_mdc_config(fapl, &my_cache_config);
VRFY((ret >= 0), "H5Pset_mdc_config succeeded");
ret = test_encode_decode(fapl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(fapl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE FCPLS *****/
fcpl = H5Pcreate(H5P_FILE_CREATE);
VRFY((fcpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_userblock(fcpl, 1024);
VRFY((ret >= 0), "H5Pset_userblock succeeded");
ret = H5Pset_istore_k(fcpl, 3);
VRFY((ret >= 0), "H5Pset_istore_k succeeded");
ret = H5Pset_sym_k(fcpl, 4, 5);
VRFY((ret >= 0), "H5Pset_sym_k succeeded");
ret = H5Pset_shared_mesg_nindexes(fcpl, 8);
VRFY((ret >= 0), "H5Pset_shared_mesg_nindexes succeeded");
ret = H5Pset_shared_mesg_index(fcpl, 1, H5O_SHMESG_SDSPACE_FLAG, 32);
VRFY((ret >= 0), "H5Pset_shared_mesg_index succeeded");
ret = H5Pset_shared_mesg_phase_change(fcpl, 60, 20);
VRFY((ret >= 0), "H5Pset_shared_mesg_phase_change succeeded");
ret = H5Pset_sizes(fcpl, 8, 4);
VRFY((ret >= 0), "H5Pset_sizes succeeded");
ret = test_encode_decode(fcpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(fcpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE STRCPLS *****/
strcpl = H5Pcreate(H5P_STRING_CREATE);
VRFY((strcpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_char_encoding(strcpl, H5T_CSET_UTF8);
VRFY((ret >= 0), "H5Pset_char_encoding succeeded");
ret = test_encode_decode(strcpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(strcpl);
VRFY((ret >= 0), "H5Pclose succeeded");
/******* ENCODE/DECODE ACPLS *****/
acpl = H5Pcreate(H5P_ATTRIBUTE_CREATE);
VRFY((acpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_char_encoding(acpl, H5T_CSET_UTF8);
VRFY((ret >= 0), "H5Pset_char_encoding succeeded");
ret = test_encode_decode(acpl, mpi_rank, recv_proc);
VRFY((ret >= 0), "test_encode_decode succeeded");
ret = H5Pclose(acpl);
VRFY((ret >= 0), "H5Pclose succeeded");
}
void
external_links(void)
{
hid_t lcpl = H5I_INVALID_HID; /* link create prop. list */
hid_t lapl = H5I_INVALID_HID; /* link access prop. list */
hid_t fapl = H5I_INVALID_HID; /* file access prop. list */
hid_t gapl = H5I_INVALID_HID; /* group access prop. list */
hid_t fid = H5I_INVALID_HID; /* file id */
hid_t group = H5I_INVALID_HID; /* group id */
int mpi_size, mpi_rank;
MPI_Comm comm;
int doIO;
int i, mrc;
herr_t ret; /* Generic return value */
htri_t tri_status; /* tri return value */
const char *filename = "HDF5test.h5";
const char *filename_ext = "HDF5test_ext.h5";
const char *group_path = "/Base/Block/Step";
const char *link_name = "link"; /* external link */
char link_path[50];
if (VERBOSE_MED)
printf("Check external links\n");
/* set up MPI parameters */
MPI_Comm_size(MPI_COMM_WORLD, &mpi_size);
MPI_Comm_rank(MPI_COMM_WORLD, &mpi_rank);
/* Check MPI communicator access properties are passed to
linked external files */
if (mpi_rank == 0) {
lcpl = H5Pcreate(H5P_LINK_CREATE);
VRFY((lcpl >= 0), "H5Pcreate succeeded");
ret = H5Pset_create_intermediate_group(lcpl, 1);
VRFY((ret >= 0), "H5Pset_create_intermediate_group succeeded");
/* Create file to serve as target for external link.*/
fid = H5Fcreate(filename_ext, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
VRFY((fid >= 0), "H5Fcreate succeeded");
group = H5Gcreate2(fid, group_path, lcpl, H5P_DEFAULT, H5P_DEFAULT);
VRFY((group >= 0), "H5Gcreate succeeded");
ret = H5Gclose(group);
VRFY((ret >= 0), "H5Gclose succeeded");
ret = H5Fclose(fid);
VRFY((ret >= 0), "H5Fclose succeeded");
fapl = H5Pcreate(H5P_FILE_ACCESS);
VRFY((fapl >= 0), "H5Pcreate succeeded");
/* Create a new file using the file access property list. */
fid = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, fapl);
VRFY((fid >= 0), "H5Fcreate succeeded");
ret = H5Pclose(fapl);
VRFY((ret >= 0), "H5Pclose succeeded");
group = H5Gcreate2(fid, group_path, lcpl, H5P_DEFAULT, H5P_DEFAULT);
VRFY((group >= 0), "H5Gcreate succeeded");
/* Create external links to the target files. */
ret = H5Lcreate_external(filename_ext, group_path, group, link_name, H5P_DEFAULT, H5P_DEFAULT);
VRFY((ret >= 0), "H5Lcreate_external succeeded");
/* Close and release resources. */
ret = H5Pclose(lcpl);
VRFY((ret >= 0), "H5Pclose succeeded");
ret = H5Gclose(group);
VRFY((ret >= 0), "H5Gclose succeeded");
ret = H5Fclose(fid);
VRFY((ret >= 0), "H5Fclose succeeded");
}
MPI_Barrier(MPI_COMM_WORLD);
/*
* For the first case, use all the processes. For the second case
* use a sub-communicator to verify the correct communicator is
* being used for the externally linked files.
* There is no way to determine if MPI info is being used for the
* externally linked files.
*/
for (i = 0; i < 2; i++) {
comm = MPI_COMM_WORLD;
if (i == 0)
doIO = 1;
else {
doIO = mpi_rank % 2;
mrc = MPI_Comm_split(MPI_COMM_WORLD, doIO, mpi_rank, &comm);
VRFY((mrc == MPI_SUCCESS), "");
}
if (doIO) {
fapl = H5Pcreate(H5P_FILE_ACCESS);
VRFY((fapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_fapl_mpio(fapl, comm, MPI_INFO_NULL);
VRFY((fapl >= 0), "H5Pset_fapl_mpio succeeded");
fid = H5Fopen(filename, H5F_ACC_RDWR, fapl);
VRFY((fid >= 0), "H5Fopen succeeded");
/* test opening a group that is to an external link, the external linked
file should inherit the source file's access properties */
HDsnprintf(link_path, sizeof(link_path), "%s%s%s", group_path, "/", link_name);
group = H5Gopen2(fid, link_path, H5P_DEFAULT);
VRFY((group >= 0), "H5Gopen succeeded");
ret = H5Gclose(group);
VRFY((ret >= 0), "H5Gclose succeeded");
/* test opening a group that is external link by setting group
creation property */
gapl = H5Pcreate(H5P_GROUP_ACCESS);
VRFY((gapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_elink_fapl(gapl, fapl);
VRFY((ret >= 0), "H5Pset_elink_fapl succeeded");
group = H5Gopen2(fid, link_path, gapl);
VRFY((group >= 0), "H5Gopen succeeded");
ret = H5Gclose(group);
VRFY((ret >= 0), "H5Gclose succeeded");
ret = H5Pclose(gapl);
VRFY((ret >= 0), "H5Pclose succeeded");
/* test link APIs */
lapl = H5Pcreate(H5P_LINK_ACCESS);
VRFY((lapl >= 0), "H5Pcreate succeeded");
ret = H5Pset_elink_fapl(lapl, fapl);
VRFY((ret >= 0), "H5Pset_elink_fapl succeeded");
tri_status = H5Lexists(fid, link_path, H5P_DEFAULT);
VRFY((tri_status == true), "H5Lexists succeeded");
tri_status = H5Lexists(fid, link_path, lapl);
VRFY((tri_status == true), "H5Lexists succeeded");
group = H5Oopen(fid, link_path, H5P_DEFAULT);
VRFY((group >= 0), "H5Oopen succeeded");
ret = H5Oclose(group);
VRFY((ret >= 0), "H5Oclose succeeded");
group = H5Oopen(fid, link_path, lapl);
VRFY((group >= 0), "H5Oopen succeeded");
ret = H5Oclose(group);
VRFY((ret >= 0), "H5Oclose succeeded");
ret = H5Pclose(lapl);
VRFY((ret >= 0), "H5Pclose succeeded");
/* close the remaining resources */
ret = H5Pclose(fapl);
VRFY((ret >= 0), "H5Pclose succeeded");
ret = H5Fclose(fid);
VRFY((ret >= 0), "H5Fclose succeeded");
}
if (comm != MPI_COMM_WORLD) {
mrc = MPI_Comm_free(&comm);
VRFY((mrc == MPI_SUCCESS), "MPI_Comm_free succeeded");
}
}
MPI_Barrier(MPI_COMM_WORLD);
/* delete the test files */
if (mpi_rank == 0) {
MPI_File_delete(filename, MPI_INFO_NULL);
MPI_File_delete(filename_ext, MPI_INFO_NULL);
}
}