diff options
Diffstat (limited to 'src/H5F.c')
| -rw-r--r-- | src/H5F.c | 40 |
1 files changed, 40 insertions, 0 deletions
@@ -2086,3 +2086,43 @@ done: FUNC_LEAVE_API(ret_value) } /* H5Fget_page_buffering_stats() */ + +/*------------------------------------------------------------------------- + * Function: H5Fget_mdc_image_info + * + * Purpose: Retrieves the image_addr and image_len for the cache image in the file. + * image_addr: --base address of the on disk metadata cache image + * --HADDR_UNDEF if no cache image + * image_len: --size of the on disk metadata cache image + * --zero if no cache image + * + * Return: Success: SUCCEED + * Failure: FAIL + * + * Programmer: Vailin Choi; March 2017 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Fget_mdc_image_info(hid_t file_id, haddr_t *image_addr, hsize_t *image_len) +{ + H5F_t *file; /* File object for file ID */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE3("e", "i*a*h", file_id, image_addr, image_len); + + /* Check args */ + if(NULL == (file = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "not a file ID") + if(NULL == image_addr || NULL == image_len) + HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "NULL image addr or image len") + + /* Go get the address and size of the cache image */ + if(H5AC_get_mdc_image_info(file->shared->cache, image_addr, image_len) < 0) + HGOTO_ERROR(H5E_CACHE, H5E_CANTGET, FAIL, "can't retrieve cache image info") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Fget_mdc_image_info() */ + |