Merge all of my changes from merge-back-to-feature-vfd_swmr-attempt-1,

including the merge of `hdffv/hdf5/develop`, back to the branch that Vailin and
I share.

Now I need to put this branch on a fork with a less confusing name than
vchoi_fork!

1 files changed, 22 insertions, 4 deletions

diff --git a/c++/src/H5Object.h b/c++/src/H5Object.h
index 10b3865..4a4e909 100644
--- a/c++/src/H5Object.h
+++ b/c++/src/H5Object.h
@@ -40,16 +40,30 @@ namespace H5 {
 // Inheritance: H5Location -> IdComponent
 
 // Define the operator function pointer for H5Aiterate().
-typedef void (*attr_operator_t)(H5Object& loc/*in*/,
-                                 const H5std_string attr_name/*in*/,
-                                 void *operator_data/*in,out*/);
+typedef void (*attr_operator_t)(H5Object& loc,
+                                 const H5std_string attr_name,
+                                 void *operator_data);
+
+// Define the operator function pointer for H5Ovisit2().
+typedef int (*visit_operator_t)(H5Object& obj,
+                                 const H5std_string attr_name,
+                                 const H5O_info_t *oinfo,
+                                 void *operator_data);
 
 // User data for attribute iteration
 class UserData4Aiterate {
     public:
         attr_operator_t op;
         void* opData;
-        H5Object* location;
+        H5Object* location; // Consider changing to H5Location
+};
+
+// User data for visit iteration
+class UserData4Visit {
+    public:
+        visit_operator_t op;
+        void* opData;
+        H5Object* obj;
 };
 
 class H5_DLLCPP H5Object : public H5Location {
@@ -71,6 +85,9 @@ class H5_DLLCPP H5Object : public H5Location {
         // Iterate user's function over the attributes of this object.
         int iterateAttrs(attr_operator_t user_op, unsigned* idx = NULL, void* op_data = NULL);
 
+        // Recursively visit elements reachable from this object.
+        void visit(H5_index_t idx_type, H5_iter_order_t order, visit_operator_t user_op, void *op_data, unsigned int fields);
+
         // Returns the object header version of an object
         unsigned objVersion() const;
 
@@ -98,6 +115,7 @@ class H5_DLLCPP H5Object : public H5Location {
         ssize_t getObjName(H5std_string& obj_name, size_t len = 0) const;
         H5std_string getObjName() const;
 
+
 #ifndef DOXYGEN_SHOULD_SKIP_THIS
 
    protected: