Swmr (#212)

* for swmr compatibility
dls-controls · Aug 1, 2017 · 00d6de1 · 00d6de1
1 parent cede243
commit 00d6de1
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/malcolm/modules/excalibur/parts/vdswrapperpart.py b/malcolm/modules/excalibur/parts/vdswrapperpart.py
@@ -131,6 +131,7 @@ def configure(self, context, completed_steps, steps_to_do, part_info,
                 node_tree.append(base + "/{}_set_indices".format(axis))
 
         with h5.File(self.vds_path, self.CREATE, libver="latest") as self.vds:
+            self.vds.swmr_mode = True
             for node in self.required_nodes:
                 self.vds.require_group(node)
             for node in node_tree:
@@ -173,7 +174,7 @@ def configure(self, context, completed_steps, steps_to_do, part_info,
                           for file_ in files]
 
         # Open the VDS
-        self.vds = h5.File(self.vds_path, self.APPEND, libver="latest")
+        self.vds = h5.File(self.vds_path, self.APPEND, libver="latest",swmr=True)
 
 
         # Return the dataset information