win: add support for returning non_locks info key

Signed-off-by: Nathan Hjelm <hjelmn@lanl.gov>

ompi/mpi/c/win_get_info.c

@@ -44,5 +44,15 @@ int MPI_Win_get_info(MPI_Win win, MPI_Info *info_used)
     OPAL_CR_ENTER_LIBRARY();
 
     ret = win->w_osc_module->osc_get_info(win, info_used);
+
+    if (OMPI_SUCCESS == ret && *info_used) {
+      /* set standard info keys based on what the OSC module is using */
+      if (win->w_flags & OMPI_WIN_NO_LOCKS) {
+        ompi_info_set (*info_used, "no_locks", "true");
+      } else {
+        ompi_info_set (*info_used, "no_locks", "false");
+      }
+    }
+
     OMPI_ERRHANDLER_RETURN(ret, win, ret, FUNC_NAME);
 }