From 2aedb2522b3e6f228d22bc91fcc9ab88ea190993 Mon Sep 17 00:00:00 2001
From: Quincey Koziol <koziol@lbl.gov>
Date: Mon, 28 Jun 2021 11:34:30 -0500
Subject: Add new source files

---
 src/H5Pdevelop.h             | 88 ++++++++++++++++++++++++++++++++++++++++++++
 utils/vds_check_compat_vol.c | 60 ++++++++++++++++++++++++++++++
 2 files changed, 148 insertions(+)
 create mode 100644 src/H5Pdevelop.h
 create mode 100644 utils/vds_check_compat_vol.c

diff --git a/src/H5Pdevelop.h b/src/H5Pdevelop.h
new file mode 100644
index 0000000..3e1b507
--- /dev/null
+++ b/src/H5Pdevelop.h
@@ -0,0 +1,88 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5. The full HDF5 copyright notice, including      *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the COPYING file, which can be found at the root of the source code       *
+ * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases.  *
+ * If you do not have access to either file, you may request a copy from     *
+ * help@hdfgroup.org.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/*
+ * This file contains public declarations for the H5P (property list) developer
+ *      support routines.
+ */
+
+#ifndef _H5Pdevelop_H
+#define _H5Pdevelop_H
+
+/* Include package's public header */
+#include "H5Ppublic.h"
+
+/*****************/
+/* Public Macros */
+/*****************/
+
+/*******************/
+/* Public Typedefs */
+/*******************/
+
+
+/********************/
+/* Public Variables */
+/********************/
+
+/*********************/
+/* Public Prototypes */
+/*********************/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *
+ * \ingroup  DXPL
+ *
+ * \brief Sets "new API context" flag for plugin API wrapper call.
+ *
+ * \dxpl_id{plist_id}
+ * \param[in]  new_api_ctx  Indicate that API wrapper should create new API context
+ * \return \herr_t
+ *
+ * \details Set flag to indicate that an API wrapper for a plugin's
+ *              public wrapper API call (e.g. H5VLfile_create, H5FDopen, etc)
+ *              should open a new API context for the API call.
+ *
+ */
+H5_DLL herr_t H5Pset_plugin_new_api_context(hid_t plist_id, hbool_t new_api_ctx);
+
+/**
+ * \ingroup  DXPL
+ *
+ * \brief Gets "new API context" flag for plugin API wrapper call.
+ *
+ * \dxpl_id{plist_id}
+ * \param[out]  new_api_ctx  Flag indicating API wrapper should create new API context
+ * \return \herr_t
+ *
+ * \details Retrieve "new API context" flag for plugin wrapper API calls.
+ *
+ */
+H5_DLL herr_t H5Pget_plugin_new_api_context(hid_t plist_id, hbool_t *new_api_ctx);
+
+#ifdef __cplusplus
+}
+#endif
+
+/* Symbols defined for compatibility with previous versions of the HDF5 API.
+ *
+ * Use of these symbols is deprecated.
+ */
+#ifndef H5_NO_DEPRECATED_SYMBOLS
+
+#endif /* H5_NO_DEPRECATED_SYMBOLS */
+
+#endif /* _H5Pdevelop_H */
diff --git a/utils/vds_check_compat_vol.c b/utils/vds_check_compat_vol.c
new file mode 100644
index 0000000..03f17fb
--- /dev/null
+++ b/utils/vds_check_compat_vol.c
@@ -0,0 +1,60 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * All rights reserved.                                                      *
+ *                                                                           *
+ * This file is part of HDF5.  The full HDF5 copyright notice, including     *
+ * terms governing use, modification, and redistribution, is contained in    *
+ * the COPYING file, which can be found at the root of the source code       *
+ * distribution tree, or in https://www.hdfgroup.org/licenses.               *
+ * If you do not have access to either file, you may request a copy from     *
+ * help@hdfgroup.org.                                                        *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+/* Purpose:     This is a small program that checks if the HDF5_VOL_CONNECTOR
+ *              environment variable is set to a value that supports virtual
+ *              datasets.
+ *
+ *              It is intended for use in shell scripts.
+ */
+
+#include "h5test.h"
+#include "H5VLprivate.h" /* Virtual Object Layer                     */
+
+/*-------------------------------------------------------------------------
+ * Function:    main
+ *
+ * Purpose:     Uses the default file access property lists, which is
+ *              initialized with the VOL connector from the HDF5_VOL_CONNECTOR
+ *              environment variable to determine if virtual datasets are
+ *              supported.
+ *
+ * Return:      VOL connector supports virtual datasets:          EXIT_SUCCESS
+ *
+ *              VOL connector does not support virtual datasets
+ *              or failure:                 EXIT_FAILURE
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+    hid_t fapl_id;
+    hbool_t is_native;              /* Whether native VOL connector is being used */
+
+    /* Open the VDS file and dataset */
+    if ((fapl_id = h5_fileaccess()) < 0)
+        return EXIT_FAILURE;
+
+    /* Check for operating with native (only) VOL connector */
+    is_native = FALSE;
+    if (H5VL_fapl_is_native(fapl_id, &is_native) < 0)
+        return EXIT_FAILURE;
+
+    /* Currently, only the native VOL connector supports virtual datasets */
+    if (is_native)
+        return EXIT_SUCCESS;
+    else
+        return EXIT_FAILURE;
+} /* end main() */
+
+
-- 
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