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https://github.com/HDFGroup/hdf5.git
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66 lines
2.1 KiB
C
66 lines
2.1 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the COPYING file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Purpose: This test checks for the correct initialization and
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* termination of the HDF5 library with MPI init and finalize.
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*/
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#include "testphdf5.h"
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int nerrors = 0; /* errors count */
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static const char *FILENAME[] = {"after_mpi_fin", NULL};
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int
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main(int argc, char **argv)
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{
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int mpi_size, mpi_rank;
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MPI_Comm comm = MPI_COMM_WORLD;
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/* Initialize and finalize MPI */
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MPI_Init(&argc, &argv);
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MPI_Comm_size(comm, &mpi_size);
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MPI_Comm_rank(comm, &mpi_rank);
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if (MAINPROCESS)
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TESTING("Usage of Serial HDF5 after MPI_Finalize() is called");
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MPI_Finalize();
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/* test if we can initialize the library with MPI being finalized
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and create a file serially */
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VRFY((H5open() >= 0), "H5open succeeded");
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if (mpi_rank == 0) {
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char filename[1024];
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hid_t file_id;
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h5_fixname(FILENAME[0], H5P_DEFAULT, filename, sizeof filename);
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file_id = H5Fcreate(filename, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
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VRFY((file_id >= 0), "H5Fcreate succeeded");
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H5Fclose(file_id);
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file_id = -1;
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}
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VRFY((H5close() >= 0), "H5close succeeded");
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if (MAINPROCESS) {
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if (0 == nerrors)
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PASSED();
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else
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H5_FAILED();
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}
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return (nerrors != 0);
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}
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