Implementation of the mpio driver with selection I/O. (#3222)

* This changes the default selection I/O to on for MPIO.

1 files changed, 20 insertions, 4 deletions

diff --git a/test/select_io_dset.c b/test/select_io_dset.c
index b498458..0f38aba 100644
--- a/test/select_io_dset.c
+++ b/test/select_io_dset.c
@@ -2751,9 +2751,6 @@ test_set_get_select_io_mode(hid_t fid)
     if (H5Pget_selection_io(dxpl, &selection_io_mode) < 0)
         TEST_ERROR;
 
-    if (selection_io_mode != H5D_SELECTION_IO_MODE_DEFAULT)
-        TEST_ERROR;
-
     /* Disable case */
     if (H5Pset_selection_io(dxpl, H5D_SELECTION_IO_MODE_OFF) < 0)
         TEST_ERROR;
@@ -3063,11 +3060,29 @@ static herr_t
 test_get_no_selection_io_cause(const char *filename, hid_t fapl)
 {
 
-    int errs = 0;
+    hid_t                   dxpl = H5I_INVALID_HID;
+    H5D_selection_io_mode_t selection_io_mode;
+    int                     errs = 0;
 
     printf("\n");
     TESTING("H5Pget_no_selection_io_cause()");
 
+    if ((dxpl = H5Pcreate(H5P_DATASET_XFER)) < 0)
+        FAIL_STACK_ERROR;
+
+    if (H5Pget_selection_io(dxpl, &selection_io_mode) < 0)
+        TEST_ERROR;
+
+    if (H5Pclose(dxpl) < 0)
+        FAIL_STACK_ERROR;
+
+    /* The following tests are based on H5D_SELECTION_IO_MODE_DEFAULT as the
+       default setting in the library; skip the tests if that is not true */
+    if (selection_io_mode != H5D_SELECTION_IO_MODE_DEFAULT) {
+        SKIPPED();
+        return SUCCEED;
+    }
+
     errs += test_no_selection_io_cause_mode(filename, fapl, TEST_DISABLE_BY_API);
     errs += test_no_selection_io_cause_mode(filename, fapl, TEST_NOT_CONTIGUOUS_OR_CHUNKED_DATASET);
     errs += test_no_selection_io_cause_mode(filename, fapl, TEST_CONTIGUOUS_SIEVE_BUFFER);
@@ -3083,6 +3098,7 @@ test_get_no_selection_io_cause(const char *filename, hid_t fapl)
     errs += test_no_selection_io_cause_mode(filename, fapl, TEST_PAGE_BUFFER);
 #endif
 
+error:
     if (errs) {
         printf(" FAILED\n");
         return FAIL;