diff options
Diffstat (limited to 'src/H5Pfapl.c')
| -rw-r--r-- | src/H5Pfapl.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/src/H5Pfapl.c b/src/H5Pfapl.c index 6b3d4ac..de5f8bf 100644 --- a/src/H5Pfapl.c +++ b/src/H5Pfapl.c @@ -170,6 +170,12 @@ #define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEF 524288 #define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_ENC H5P__encode_size_t #define H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEC H5P__decode_size_t +/* Definition of collective metadata read mode flag */ +#define H5F_ACS_COLL_MD_READ_FLAG_SIZE sizeof(H5P_coll_md_read_flag_t) +#define H5F_ACS_COLL_MD_READ_FLAG_DEF H5P_USER_FALSE +#define H5F_ACS_COLL_MD_READ_FLAG_ENC H5P__encode_coll_md_read_flag_t +#define H5F_ACS_COLL_MD_READ_FLAG_DEC H5P__decode_coll_md_read_flag_t + /******************/ /* Local Typedefs */ @@ -261,6 +267,7 @@ static const unsigned H5F_def_efc_size_g = H5F_ACS_EFC_SIZE_DEF; static const H5FD_file_image_info_t H5F_def_file_image_info_g = H5F_ACS_FILE_IMAGE_INFO_DEF; /* Default file image info and callbacks */ static const hbool_t H5F_def_core_write_tracking_flag_g = H5F_ACS_CORE_WRITE_TRACKING_FLAG_DEF; /* Default setting for core VFD write tracking */ static const size_t H5F_def_core_write_tracking_page_size_g = H5F_ACS_CORE_WRITE_TRACKING_PAGE_SIZE_DEF; /* Default core VFD write tracking page size */ +static const H5P_coll_md_read_flag_t H5F_def_coll_md_read_flag_g = H5F_ACS_COLL_MD_READ_FLAG_DEF; /* Default setting for the collective metedata read flag */ /*------------------------------------------------------------------------- @@ -422,6 +429,13 @@ H5P_facc_reg_prop(H5P_genclass_t *pclass) NULL, NULL, NULL, NULL) < 0) HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + /* Register the metadata collective read flag */ + if(H5P_register_real(pclass, H5_COLL_MD_READ_FLAG_NAME, H5F_ACS_COLL_MD_READ_FLAG_SIZE, + &H5F_def_coll_md_read_flag_g, + NULL, NULL, NULL, H5F_ACS_COLL_MD_READ_FLAG_ENC, H5F_ACS_COLL_MD_READ_FLAG_DEC, + NULL, NULL, NULL, NULL) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTINSERT, FAIL, "can't insert property into class") + done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5P_facc_reg_prop() */ @@ -3083,3 +3097,166 @@ done: FUNC_LEAVE_API(ret_value) } + +/*------------------------------------------------------------------------- + * Function: H5P__encode_coll_md_read_flag_t + * + * Purpose: Generic encoding callback routine for 'coll_md_read_flag' properties. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Mohamad Chaarawi + * + *------------------------------------------------------------------------- + */ +herr_t +H5P__encode_coll_md_read_flag_t(const void *value, void **_pp, size_t *size) +{ + const H5P_coll_md_read_flag_t *coll_md_read_flag = (const H5P_coll_md_read_flag_t *)value; + uint8_t **pp = (uint8_t **)_pp; + + FUNC_ENTER_PACKAGE_NOERR + + /* Sanity checks */ + HDassert(coll_md_read_flag); + HDassert(size); + + if(NULL != *pp) { + /* Encode the value */ + HDmemcpy(*pp, coll_md_read_flag, sizeof(H5P_coll_md_read_flag_t)); + *pp += sizeof(H5P_coll_md_read_flag_t); + } /* end if */ + + /* Set size needed for encoding */ + *size += sizeof(H5P_coll_md_read_flag_t); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5P__encode_coll_md_read_flag_t() */ + + +/*------------------------------------------------------------------------- + * Function: H5P__decode_coll_md_read_flag_t + * + * Purpose: Generic decoding callback routine for 'coll_md_read_flag' properties. + * + * Return: Success: Non-negative + * Failure: Negative + * + * Programmer: Mohamad Chaarawi + * + *------------------------------------------------------------------------- + */ +herr_t +H5P__decode_coll_md_read_flag_t(const void **_pp, void *_value) +{ + H5P_coll_md_read_flag_t *coll_md_read_flag = (H5P_coll_md_read_flag_t *)_value; /* File close degree */ + const uint8_t **pp = (const uint8_t **)_pp; + + FUNC_ENTER_STATIC_NOERR + + /* Sanity checks */ + HDassert(pp); + HDassert(*pp); + HDassert(coll_md_read_flag); + + /* Decode file close degree */ + *coll_md_read_flag = (H5P_coll_md_read_flag_t)*(*pp); + *pp += sizeof(H5P_coll_md_read_flag_t); + + FUNC_LEAVE_NOAPI(SUCCEED) +} /* end H5P__decode_coll_md_read_flag_t() */ + +#ifdef H5_HAVE_PARALLEL + +/*------------------------------------------------------------------------- + * Function: H5Pset_coll_metadata_read + * + * Purpose: Tell the library whether the metadata read operations will + * be done collectively (1) or not (0). Default is independent. With + * collective mode, the library will optimize access to metdata + * operations on the file. + * + * Return: Non-negative on success/Negative on failure + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pset_coll_metadata_read(hid_t plist_id, hbool_t is_collective) +{ + H5P_genplist_t *plist; /* Property list pointer */ + herr_t ret_value = SUCCEED; /* return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ib", plist_id, is_collective); + + /* Compare the property list's class against the other class */ + if(TRUE != H5P_isa_class(plist_id, H5P_LINK_ACCESS) && + TRUE != H5P_isa_class(plist_id, H5P_FILE_ACCESS) && + TRUE != H5P_isa_class(plist_id, H5P_DATASET_XFER)) + HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "property list is not an access plist") + + /* set property to either TRUE if > 0, or FALSE otherwise */ + if(is_collective > 0) + is_collective = TRUE; + else + is_collective = FALSE; + + /* Get the plist structure */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(plist_id))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + /* Set values */ + if(H5P_set(plist, H5_COLL_MD_READ_FLAG_NAME, &is_collective) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set collective metadata read flag") + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Pset_coll_metadata_read */ + + +/*------------------------------------------------------------------------- + * Function: H5Pget_coll_metadata_read + * + * Purpose: Gets information about collective metadata read mode. + * + * Return: Non-negative on success/Negative on failure + * + *------------------------------------------------------------------------- + */ +herr_t +H5Pget_coll_metadata_read(hid_t plist_id, hbool_t *is_collective) +{ + herr_t ret_value = SUCCEED; /* return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "i*b", plist_id, is_collective); + + /* Compare the property list's class against the other class */ + if(TRUE != H5P_isa_class(plist_id, H5P_LINK_ACCESS) && + TRUE != H5P_isa_class(plist_id, H5P_FILE_ACCESS) && + TRUE != H5P_isa_class(plist_id, H5P_DATASET_XFER)) + HGOTO_ERROR(H5E_PLIST, H5E_CANTREGISTER, FAIL, "property list is not an access plist") + + /* Get value */ + if(is_collective) { + H5P_coll_md_read_flag_t internal_flag; /* property setting. we need to convert to either TRUE or FALSE */ + H5P_genplist_t *plist; /* Property list pointer */ + + /* Get the plist structure */ + if(NULL == (plist = (H5P_genplist_t *)H5I_object(plist_id))) + HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID") + + if(H5P_get(plist, H5_COLL_MD_READ_FLAG_NAME, &internal_flag) < 0) + HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, FAIL, "can't get core collective metadata read flag") + + if(internal_flag < 0) + *is_collective = FALSE; + else + *is_collective = (hbool_t)internal_flag; + } /* end if */ + +done: + FUNC_LEAVE_API(ret_value) +} /* H5Pget_coll_metadata_read */ +#endif /* H5_HAVE_PARALLEL */ |