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| -rw-r--r-- | test/accum_swmr_reader.c | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/test/accum_swmr_reader.c b/test/accum_swmr_reader.c new file mode 100644 index 0000000..d98fe70 --- /dev/null +++ b/test/accum_swmr_reader.c @@ -0,0 +1,99 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * Copyright by the Board of Trustees of the University of Illinois. * + * 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 files COPYING and Copyright.html. COPYING can be found at the root * + * of the source code distribution tree; Copyright.html can be found at the * + * root level of an installed copy of the electronic HDF5 document set and * + * is linked from the top-level documents page. It can also be found at * + * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * + * access to either file, you may request a copy from help@hdfgroup.org. * + * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ +#include "h5test.h" + +#define H5F_FRIEND /*suppress error about including H5Fpkg */ +#define H5FD_FRIEND /*suppress error about including H5FDpkg */ +#define H5FD_TESTING + +#include "H5Fpkg.h" +#include "H5FDpkg.h" +#include "H5Iprivate.h" + +/* Filename: this is the same as the define in accum.c used by test_swmr_write_big() */ +#define SWMR_FILENAME "accum_swmr_big.h5" + + +/*------------------------------------------------------------------------- + * Function: main + * + * Purpose: This is the reader forked/execved by "test_swmr_write_big()" + * test in accum.c. The reader reads at address 1024 from the file + * and verifies that the metadata in the accumulator at address + * 1024 does get written to disk. + * + * Return: Success: EXIT_SUCCESS + * Failure: EXIT_FAILURE + * + * Programmer: Vailin Choi; June 2013 + * + *------------------------------------------------------------------------- + */ +int +main(void) +{ + hid_t fid = -1; /* File ID */ + hid_t fapl = -1; /* file access property list ID */ + H5F_t *f = NULL; /* File pointer */ + unsigned u; /* Local index variable */ + uint8_t rbuf[1024]; /* Buffer for reading */ + uint8_t buf[1024]; /* Buffer for holding the expected data */ + char *driver = NULL; /* VFD string (from env variable) */ + + /* Skip this test if SWMR I/O is not supported for the VFD specified + * by the environment variable. + */ + driver = HDgetenv("HDF5_DRIVER"); + if(!H5FD_supports_swmr_test(driver)) { + return EXIT_SUCCESS; + } + + /* Initialize buffers */ + for(u = 0; u < 1024; u++) { + rbuf[u] = 0; /* The buffer for reading */ + buf[u] = 1; /* The expected data should be all 1s */ + } + + if((fapl = h5_fileaccess()) < 0) + FAIL_STACK_ERROR + + /* Open the file with SWMR_READ */ + if((fid = H5Fopen(SWMR_FILENAME, H5F_ACC_RDONLY | H5F_ACC_SWMR_READ, fapl)) < 0) + FAIL_STACK_ERROR + + /* Get H5F_t * to internal file structure */ + if(NULL == (f = (H5F_t *)H5I_object(fid))) + FAIL_STACK_ERROR + + /* Should read in [1024, 2024] with buf data */ + if(H5F_block_read(f, H5FD_MEM_DEFAULT, (haddr_t)1024, (size_t)1024, H5AC_ind_read_dxpl_id, rbuf) < 0) + FAIL_STACK_ERROR; + + /* Verify the data read is correct */ + if(HDmemcmp(buf, rbuf, (size_t)1024) != 0) + TEST_ERROR; + + /* CLose the file */ + if(H5Pclose(fapl) < 0) + FAIL_STACK_ERROR; + if(H5Fclose(fid) < 0) + FAIL_STACK_ERROR; + + return EXIT_SUCCESS; + +error: + H5Fclose(fid); + return EXIT_FAILURE; +} /* end main() */ + |