diff options
Diffstat (limited to 'src/H5Oattribute.c')
| -rw-r--r-- | src/H5Oattribute.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/src/H5Oattribute.c b/src/H5Oattribute.c index a7aeb79..ce7a8e5 100644 --- a/src/H5Oattribute.c +++ b/src/H5Oattribute.c @@ -562,6 +562,24 @@ H5O_attr_write_cb(H5O_t UNUSED *oh, H5O_mesg_t *mesg/*in,out*/, if(HDstrcmp(shared_attr.name, udata->attr->name) == 0) { htri_t shared_mesg; /* Whether the message should be shared */ + /* Re-share attribute's datatype and dataspace to increment their + * reference count if they're shared. + * Otherwise they may be deleted when the old attribute + * message is deleted. + */ + if(H5SM_try_share(udata->f, udata->dxpl_id, H5O_DTYPE_ID, udata->attr->dt) < 0) + HGOTO_ERROR(H5E_SOHM, H5E_BADMESG, H5_ITER_ERROR, "error trying to re-share attribute datatype") + if(H5SM_try_share(udata->f, udata->dxpl_id, H5O_SDSPACE_ID, udata->attr->ds) < 0) + HGOTO_ERROR(H5E_SOHM, H5E_BADMESG, H5_ITER_ERROR, "error trying to re-share attribute datatype") + + /* Likewise, increment reference count if this attribute has a named datatype */ + /* JAMES: this is identical to the attr_link callback. */ + if(H5T_committed(udata->attr->dt)) { + /* Increment the reference count on the shared datatype */ + if(H5T_link(udata->attr->dt,1,udata->dxpl_id) < 0) + HGOTO_ERROR(H5E_OHDR, H5E_LINKCOUNT, FAIL, "unable to adjust shared datatype link count") + } /* end if */ + /* Store new version of message as a SOHM */ /* (should always work, since we're not changing the size of the attribute) */ if((shared_mesg = H5SM_try_share(udata->f, udata->dxpl_id, H5O_ATTR_ID, udata->attr)) == 0) |