1 files changed, 63 insertions, 0 deletions
diff --git a/examples/h5rados_group_open.c b/examples/h5rados_group_open.c
new file mode 100644
index 0000000..3339480
--- /dev/null
+++ b/examples/h5rados_group_open.c
@@ -0,0 +1,63 @@
+#include "h5rados_example.h"
+
+int main(int argc, char *argv[]) {
+    rados_t cluster;
+    char *pool = "mypool";
+    hid_t file = -1, fapl = -1, grp = -1;
+
+    (void)MPI_Init(&argc, &argv);
+
+    if(argc != 3)
+        PRINTF_ERROR("argc != 3\n");
+
+    if(rados_create(&cluster, NULL) < 0)
+        ERROR;
+    if(rados_conf_read_file(cluster, "ceph.conf") < 0)
+        ERROR;
+
+    /* Initialize VOL */
+    if(H5VLrados_init(cluster, pool) < 0)
+        ERROR;
+
+    /* Set up FAPL */
+    if((fapl = H5Pcreate(H5P_FILE_ACCESS)) < 0)
+        ERROR;
+    if(H5Pset_fapl_rados(fapl, MPI_COMM_WORLD, MPI_INFO_NULL) < 0)
+        ERROR;
+    if(H5Pset_all_coll_metadata_ops(fapl, true) < 0)
+        ERROR;
+
+    /* Open file */
+    if((file = H5Fopen(argv[1], H5F_ACC_RDONLY, fapl)) < 0)
+        ERROR;
+
+    printf("Opening group\n");
+
+    /* Open group */
+    if((grp = H5Gopen2(file, argv[2], H5P_DEFAULT)) < 0)
+        ERROR;
+
+    /* Close */
+    if(H5Gclose(grp) < 0)
+        ERROR;
+    if(H5Fclose(file) < 0)
+        ERROR;
+    if(H5Pclose(fapl) < 0)
+        ERROR;
+
+    printf("Success\n");
+
+    (void)MPI_Finalize();
+    return 0;
+
+error:
+    H5E_BEGIN_TRY {
+        H5Gclose(grp);
+        H5Fclose(file);
+        H5Pclose(fapl);
+    } H5E_END_TRY;
+
+    (void)MPI_Finalize();
+    return 1;
+}
+