diff options
Diffstat (limited to 'examples/h5dsm_group_create.c')
-rw-r--r-- | examples/h5dsm_group_create.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/examples/h5dsm_group_create.c b/examples/h5dsm_group_create.c new file mode 100644 index 0000000..3a6ab97 --- /dev/null +++ b/examples/h5dsm_group_create.c @@ -0,0 +1,72 @@ +#include "h5dsm_example.h" + +int main(int argc, char *argv[]) { + uuid_t pool_uuid; + char *pool_grp = NULL; + hid_t file = -1, grp = -1, fapl = -1; + H5VL_daosm_snap_id_t snap_id; + + (void)MPI_Init(&argc, &argv); + + if(argc < 4 || argc > 5) + PRINTF_ERROR("argc must be 4 or 5\n"); + + /* Parse UUID */ + if(0 != uuid_parse(argv[1], pool_uuid)) + ERROR; + + /* Initialize VOL */ + if(H5VLdaosm_init(MPI_COMM_WORLD, pool_uuid, pool_grp) < 0) + ERROR; + + /* Set up FAPL */ + if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0) + ERROR; + if(H5Pset_fapl_daosm(fapl, MPI_COMM_WORLD, MPI_INFO_NULL) < 0) + ERROR; + + /* Open file */ + if((file = H5Fopen(argv[2], H5F_ACC_RDWR, fapl)) < 0) + ERROR; + + printf("Creating group\n"); + + /* Create group */ + if((grp = H5Gcreate2(file, argv[3], H5P_DEFAULT, H5P_DEFAULT, H5P_DEFAULT)) < 0) + ERROR; + + /* Save snapshot if requested */ + if(argc == 5) { + 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(H5Gclose(grp) < 0) + ERROR; + if(H5Fclose(file) < 0) + ERROR; + if(H5Pclose(fapl) < 0) + ERROR; + + if(H5VLdaosm_term() < 0) + ERROR; + + printf("Success\n"); + + (void)MPI_Finalize(); + return 0; + +error: + H5E_BEGIN_TRY { + H5Gclose(grp); + H5Fclose(file); + H5Pclose(fapl); + H5VLdaosm_term(); + } H5E_END_TRY; + + (void)MPI_Finalize(); + return 1; +} + |