diff options
Diffstat (limited to 'src/H5FA.c')
| -rw-r--r-- | src/H5FA.c | 113 |
1 files changed, 112 insertions, 1 deletions
@@ -79,7 +79,9 @@ hbool_t H5_PKG_INIT_VAR = FALSE; * client class.. */ const H5FA_class_t *const H5FA_client_class_g[] = { - H5FA_CLS_TEST, /* ? - H5FA_CLS_TEST_ID */ + H5FA_CLS_CHUNK, /* 0 - H5FA_CLS_CHUNK_ID */ + H5FA_CLS_FILT_CHUNK, /* 1 - H5FA_CLS_FILT_CHUNK_ID */ + H5FA_CLS_TEST, /* ? - H5FA_CLS_TEST_ID */ }; @@ -739,3 +741,112 @@ CATCH END_FUNC(PRIV) /* end H5FA_iterate() */ + +/*------------------------------------------------------------------------- + * Function: H5FA_depend + * + * Purpose: Make a child flush dependency between the fixed array's + * header and another piece of metadata in the file. + * + * Return: SUCCEED/FAIL + * + * Programmer: Dana Robinson + * Fall 2012 + * + *------------------------------------------------------------------------- + */ +BEGIN_FUNC(PRIV, ERR, +herr_t, SUCCEED, FAIL, +H5FA_depend(H5AC_info_t *parent_entry, H5FA_t *fa)) + + /* Local variables */ + H5FA_hdr_t *hdr = fa->hdr; /* Header for FA */ + +#ifdef QAK +HDfprintf(stderr, "%s: Called\n", FUNC); +#endif /* QAK */ + + /* + * Check arguments. + * + * At present, this function is only used to setup a flush dependency + * between an object header proxy and the extensible array header when + * the extensible array is being used to index a chunked data set. + * + * Make sure that the parameters are congruent with this. + */ + HDassert(fa); + HDassert(hdr); + HDassert(parent_entry); + HDassert(parent_entry->magic == H5C__H5C_CACHE_ENTRY_T_MAGIC); + HDassert(parent_entry->type); + HDassert(parent_entry->type->id == H5AC_OHDR_PROXY_ID); + HDassert((hdr->fd_parent_addr == HADDR_UNDEF) || + (hdr->fd_parent_addr == parent_entry->addr)); + HDassert((hdr->fd_parent_ptr == NULL) || + (hdr->fd_parent_ptr == parent_entry)); + + /* + * Check to see if the flush dependency between the object header proxy + * and the fixed array header has already been setup. If it hasn't + * set it up. + */ + if(!H5F_addr_defined(hdr->fd_parent_addr)) { + /* Set the shared array header's file context for this operation */ + hdr->f = fa->f; + + /* Set up flush dependency between parent entry and fixed + * array header + */ + if(H5FA__create_flush_depend(parent_entry, (H5AC_info_t *)hdr) < 0) + H5E_THROW(H5E_CANTDEPEND, "unable to create flush dependency on file metadata") + + hdr->fd_parent_addr = parent_entry->addr; + hdr->fd_parent_ptr = parent_entry; + } /* end if */ + +CATCH + +END_FUNC(PRIV) /* end H5FA_depend() */ + + +/*------------------------------------------------------------------------- + * Function: H5FA_undepend + * + * Purpose: Remove a child flush dependency between the fixed array's + * header and another piece of metadata in the file. + * + * Return: SUCCEED/FAIL + * + * Programmer: Dana Robinson + * Fall 2012 + * + *------------------------------------------------------------------------- + */ +BEGIN_FUNC(PRIV, ERR, +herr_t, SUCCEED, FAIL, +H5FA_undepend(H5AC_info_t *parent_entry, H5FA_t *fa)) + + /* Local variables */ + H5FA_hdr_t *hdr = fa->hdr; /* Header for FA */ + +#ifdef QAK +HDfprintf(stderr, "%s: Called\n", FUNC); +#endif /* QAK */ + + /* + * Check arguments. + */ + HDassert(fa); + HDassert(hdr); + + /* Set the shared array header's file context for this operation */ + hdr->f = fa->f; + + /* Remove flush dependency between parent entry and fixed array header */ + if(H5FA__destroy_flush_depend(parent_entry, (H5AC_info_t *)hdr) < 0) + H5E_THROW(H5E_CANTUNDEPEND, "unable to destroy flush dependency on file metadata") + +CATCH + +END_FUNC(PRIV) /* end H5FA_undepend() */ |