Sync with develop

1 files changed, 19 insertions, 0 deletions

diff --git a/src/H5VLpublic.h b/src/H5VLpublic.h
index c8df035..8f79adc 100644
--- a/src/H5VLpublic.h
+++ b/src/H5VLpublic.h
@@ -48,6 +48,24 @@
 typedef int H5VL_class_value_t;
 
 
+/* Enum type for each VOL subclass */
+/* (Used for various queries, etc) */
+typedef enum H5VL_subclass_t {
+    H5VL_SUBCLS_NONE,                   /* Operations outside of a subclass */
+    H5VL_SUBCLS_INFO,                   /* 'Info' subclass */
+    H5VL_SUBCLS_WRAP,                   /* 'Wrap' subclass */
+    H5VL_SUBCLS_ATTR,                   /* 'Attribute' subclass */
+    H5VL_SUBCLS_DATASET,                /* 'Dataset' subclass */
+    H5VL_SUBCLS_DATATYPE,               /* 'Named datatype' subclass */
+    H5VL_SUBCLS_FILE,                   /* 'File' subclass */
+    H5VL_SUBCLS_GROUP,                  /* 'Group' subclass */
+    H5VL_SUBCLS_LINK,                   /* 'Link' subclass */
+    H5VL_SUBCLS_OBJECT,                 /* 'Object' subclass */
+    H5VL_SUBCLS_REQUEST,                /* 'Request' subclass */
+    H5VL_SUBCLS_BLOB,                   /* 'Blob' subclass */
+    H5VL_SUBCLS_TOKEN                   /* 'Token' subclass */
+} H5VL_subclass_t;
+
 /********************/
 /* Public Variables */
 /********************/
@@ -70,6 +88,7 @@ H5_DLL hid_t H5VLget_connector_id_by_value(H5VL_class_value_t connector_value);
 H5_DLL ssize_t H5VLget_connector_name(hid_t id, char *name/*out*/, size_t size);
 H5_DLL herr_t H5VLclose(hid_t connector_id);
 H5_DLL herr_t H5VLunregister_connector(hid_t connector_id);
+H5_DLL herr_t H5VLquery_optional(hid_t obj_id, H5VL_subclass_t subcls, int opt_type, hbool_t *supported);
 
 #ifdef __cplusplus
 }