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author | Neil Fortner <nfortne2@hdfgroup.org> | 2017-02-08 18:24:12 (GMT) |
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committer | Neil Fortner <nfortne2@hdfgroup.org> | 2017-02-08 18:24:12 (GMT) |
commit | 2ad60cbf9618deb782cbeaccfdf505fe4ebec04c (patch) | |
tree | 97c6cfa5c96c44c9ebf2e2f9f3085443ed85d214 /examples/h5dsm_attr_create.c | |
parent | ee91c7320a451fcf0743a7f275b8f0993107a613 (diff) | |
download | hdf5-2ad60cbf9618deb782cbeaccfdf505fe4ebec04c.zip hdf5-2ad60cbf9618deb782cbeaccfdf505fe4ebec04c.tar.gz hdf5-2ad60cbf9618deb782cbeaccfdf505fe4ebec04c.tar.bz2 |
Add support for attribute create/open/close. Add examples for attribute
create and open. It is now possible to H5Gopen the root group. Other
fixes/refactoring.
Diffstat (limited to 'examples/h5dsm_attr_create.c')
-rw-r--r-- | examples/h5dsm_attr_create.c | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/examples/h5dsm_attr_create.c b/examples/h5dsm_attr_create.c new file mode 100644 index 0000000..a7e941a --- /dev/null +++ b/examples/h5dsm_attr_create.c @@ -0,0 +1,90 @@ +#include "h5dsm_example.h" + +int main(int argc, char *argv[]) { + uuid_t pool_uuid; + char *pool_grp = NULL; + hid_t file = -1, obj = -1, attr = -1, space = -1, fapl = -1; + hsize_t dims[2] = {4, 6}; + H5VL_daosm_snap_id_t snap_id; + + (void)MPI_Init(&argc, &argv); + (void)daos_init(); + + if(argc < 6 || argc > 7) + PRINTF_ERROR("argc must be 6 or 7\n"); + + /* Parse UUID */ + if(0 != uuid_parse(argv[1], pool_uuid)) + ERROR; + + /* Set up FAPL */ + if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) + ERROR; + if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL, pool_uuid, pool_grp) < 0) + ERROR; + + /* Set up dataspace */ + if((space = H5Screate_simple(2, dims, NULL)) < 0) + ERROR; + + /* Open file */ + if((file = H5Fopen(argv[2], H5F_ACC_RDWR, fapl)) < 0) + ERROR; + + /* Open object */ + if(!strcmp(argv[3], "-d") || !strcmp(argv[3], "-D")) { + if((obj = H5Dopen2(file, argv[4], H5P_DEFAULT)) < 0) + ERROR; + } + else { + if(strcmp(argv[3], "-g") && strcmp(argv[3], "-G")) + PRINTF_ERROR("argv[3] must be -d, -D, -g, or -G\n"); + if((obj = H5Gopen2(file, argv[4], H5P_DEFAULT)) < 0) + ERROR; + } + + printf("Creating attribute\n"); + + /* Create attribute */ + if((attr = H5Acreate2(obj, argv[5], H5T_NATIVE_INT, space, H5P_DEFAULT, H5P_DEFAULT)) < 0) + ERROR; + + /* Save snapshot if requested */ + if(argc == 7) { + if(H5VLdaosm_snap_create(file, &snap_id) < 0) + ERROR; + printf("Saved snapshot: snap_id = %llu\n", (long long unsigned)snap_id); + } /* end if */ + + /* Close */ + if(H5Aclose(attr) < 0) + ERROR; + if(H5Oclose(obj) < 0) + ERROR; + if(H5Fclose(file) < 0) + ERROR; + if(H5Sclose(space) < 0) + ERROR; + if(H5Pclose(fapl) < 0) + ERROR; + + printf("Success\n"); + + (void)daos_fini(); + (void)MPI_Finalize(); + return 0; + +error: + H5E_BEGIN_TRY { + H5Aclose(attr); + H5Oclose(obj); + H5Fclose(file); + H5Sclose(space); + H5Pclose(fapl); + } H5E_END_TRY; + + (void)daos_fini(); + (void)MPI_Finalize(); + return 1; +} + |