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-rw-r--r--src/H5Pfapl.c177
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 */