Merge pull request #226 in HDFFV/hdf5 from ~DEROBINS/hdf5_der:flush_vfd_fix to develop

Added a missing "vfd check" test file for use in scripts (should have been brought from revise_chunks).

* commit 'e41a15b7f07dc39b7d68f4635965d0b8b440d299':
  Added a missing test file needed for the flushrefresh script.

MANIFEST

@@ -999,6 +999,7 @@
 ./test/specmetaread.h5
 ./test/stab.c
 ./test/swmr.c
+./test/swmr_check_compat_vfd.c
 ./test/tarray.c
 ./test/tarrold.h5
 ./test/tattr.c

test/CMakeLists.txt

@@ -255,6 +255,14 @@ foreach (test ${H5_TESTS})
   ADD_H5_EXE(${test})
 endforeach (test ${H5_TESTS})
 
+set (H5_SWMR_TESTS
+    swmr_check_compat_vfd
+)
+
+foreach (test ${H5_SWMR_TESTS})
+  ADD_H5_EXE(${test})
+endforeach (test ${H5_SWMR_TESTS})
+
 ##############################################################################
 ##############################################################################
 ###           A D D I T I O N A L   T E S T S                              ###

test/Makefile.am

@@ -64,7 +64,8 @@ TEST_PROG= testhdf5 cache cache_api cache_tagging lheap ohdr stab gheap \
 # and this lets automake keep all its test programs in one place.
 check_PROGRAMS=$(TEST_PROG) error_test err_compat tcheck_version \
     testmeta accum_swmr_reader \
-    links_env flushrefresh
+    links_env flushrefresh \
+    swmr_check_compat_vfd
 if HAVE_SHARED_CONDITIONAL
   check_PROGRAMS+= plugin
 endif

test/swmr_check_compat_vfd.c

@@ -0,0 +1,56 @@
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Copyright by The HDF Group.                                               *
+ * Copyright by the Board of Trustees of the University of Illinois.         *
+ * 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 files COPYING and Copyright.html.  COPYING can be found at the root   *
+ * of the source code distribution tree; Copyright.html can be found at the  *
+ * root level of an installed copy of the electronic HDF5 document set and   *
+ * is linked from the top-level documents page.  It can also be found at     *
+ * http://hdfgroup.org/HDF5/doc/Copyright.html.  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_DRIVER
+ *              environment variable is set to a value that supports SWMR.
+ *              
+ *              It is intended for use in shell scripts.
+ */
+#include "h5test.h"
+
+/* This file needs to access the file driver testing code */
+#define H5FD_FRIEND     /*suppress error about including H5FDpkg      */
+#define H5FD_TESTING
+#include "H5FDpkg.h"    /* File drivers             */
+
+
+/*-------------------------------------------------------------------------
+ * Function:    main
+ *
+ * Purpose:     Inspects the HDF5_DRIVER environment variable, which
+ *              determines the VFD that the test harness will use with
+ *              the majority of the tests.
+ *
+ * Return:      VFD supports SWMR:          EXIT_SUCCESS
+ *
+ *              VFD does not support SWMR
+ *              or failure:                 EXIT_FAILURE
+ *
+ *-------------------------------------------------------------------------
+ */
+int
+main(void)
+{
+    char *driver = NULL;
+
+    driver = HDgetenv("HDF5_DRIVER");
+
+    if(H5FD_supports_swmr_test(driver))
+        return EXIT_SUCCESS;
+    else
+        return EXIT_FAILURE;
+
+} /* end main() */
+