Merge pull request #1605 in HDFFV/hdf5 from merge_hyperslab_update_01 to develop

* commit '08b009cc4ab2a8d8d289697d6d4688c0e5c53c6e':
  Clean up if-else chain.
  Remove thread-local copy of hyperslab operation generation value.
  Core changes to selection code from the hyperslab_updates branch.

1 files changed, 17 insertions, 0 deletions

diff --git a/src/H5Spublic.h b/src/H5Spublic.h
index c01beca..84e577b 100644
--- a/src/H5Spublic.h
+++ b/src/H5Spublic.h
@@ -28,6 +28,23 @@
 /* Define user-level maximum number of dimensions */
 #define H5S_MAX_RANK    32
 
+/* Flags for selection iterators */
+#define H5S_SEL_ITER_GET_SEQ_LIST_SORTED 0x0001 /* Retrieve elements from iterator
+                                                 * in increasing offset order, for
+                                                 * each call to retrieve sequences.
+                                                 * Currently, this only applies to
+                                                 * point selections, as hyperslab
+                                                 * selections are always returned
+                                                 * in increasing offset order.
+                                                 *
+                                                 * Note that the order is only
+                                                 * increasing for each call to
+                                                 * get_seq_list, the next set of
+                                                 * sequences could start with an
+                                                 * earlier offset than the previous
+                                                 * one.
+                                                 */
+
 /* Different types of dataspaces */
 typedef enum H5S_class_t {
     H5S_NO_CLASS         = -1,  /*error                                      */