Hi Ed,
This is probably related to some of my recent checkins to the file/group
code. I'll look into it and get it fixed shortly.
Quincey
> This morning I did a hdf5 update, and now the following code does not
> work, though it did before.
>
> The problem seems to be related to closing the file. I call for strong
> file closure, but the close fails anyway. The error output is below.
>
> What am I missing here?
>
> Thanks!
>
> Ed
>
> int
> main()
> {
> hid_t fileid, access_plist, spaceid, typeid;
> hid_t datasetid;
> hsize_t dims[1];
> struct s1 {
> unsigned char c1;
> double d;
> } data[DIM1_LEN];
> int i;
>
> for (i=0; i<DIM1_LEN; i++)
> {
> data[i].c1 = 126;
> data[i].d = -9999999;
> }
>
> printf("*** Checking packing of HDF5 compound types...");
>
> /* Open file and create group. */
> if ((access_plist = H5Pcreate(H5P_FILE_ACCESS)) < 0) ERR;
> if (H5Pset_fclose_degree(access_plist, H5F_CLOSE_STRONG)) ERR;
> if ((fileid = H5Fcreate(FILE_NAME, H5F_ACC_TRUNC, H5P_DEFAULT,
> access_plist)) < 0) ERR;
>
> /* Create a simple compound type. */
> if ((typeid = H5Tcreate(H5T_COMPOUND, sizeof(struct s1))) < 0) ERR;
> if (H5Tinsert(typeid, "c1", HOFFSET(struct s1, c1), H5T_NATIVE_UCHAR) < 0)
> ERR;
> if (H5Tinsert(typeid, "d", HOFFSET(struct s1, d), H5T_NATIVE_DOUBLE) < 0)
> ERR;
> if (H5Tcommit(fileid, COMPOUND_NAME, typeid) < 0) ERR;
>
> /* Create a space. */
> dims[0] = DIM1_LEN;
> if ((spaceid = H5Screate_simple(1, dims, dims)) < 0) ERR;
>
> /* Create a dataset of this compound type. */
> if ((datasetid = H5Dcreate(fileid, VAR_NAME, typeid, spaceid,
> H5P_DEFAULT)) < 0) ERR;
>
> /* Write some data. */
> if (H5Dwrite(datasetid, typeid, H5S_ALL, H5S_ALL,
> H5P_DEFAULT, data) < 0) ERR;
>
> /* Release all resources. */
> if (H5Fclose(fileid) < 0) ERR;
>
>
> This code results in the following error:
>
> HDF5-DIAG: Error detected in HDF5 (1.7.51) thread 0:
> #000: H5F.c line 2788 in H5Fclose(): decrementing file ID failed
> major: Object atom
> minor: Unable to close file
> #001: H5F.c line 2577 in H5F_close(): can't close file
> major: File accessability
> minor: Unable to close file
> #002: H5F.c line 2686 in H5F_try_close(): can't close object
> major: Object atom
> minor: Close failed
> #003: H5I.c line 1340 in H5I_dec_ref(): can't locate ID
> major: Object atom
> minor: Unable to find atom information (already closed?)
> #004: H5I.c line 1893 in H5I_search(): invalid type
> major: Object atom
> minor: Unable to find ID group information
>
>
> --
> Ed Hartnett -- ed@xxxxxxxxxxxxxxxx
>
