Prevent warnings about unconstructed attached ROMs

If attached ROM dataspaces are not valid after update(), code that uses
these ROMs produces

  void Genode::Volatile_object< <template-parameter-1-1> >::_check_constructed() const [with MT = Genode::Attached_dataspace]: Deref_unconstructed_object
This commit is contained in:
Christian Helmuth 2016-03-23 18:08:49 +01:00
parent 146c694513
commit 1f719dee26
3 changed files with 8 additions and 0 deletions
repos
gems/src/server/wm
os/src
app/status_bar
server/rom_filter

View File

@ -70,6 +70,8 @@ struct Wm::Main
{
try {
focus_rom.update();
if (!focus_rom.is_valid())
return;
unsigned long win_id = 0;
@ -94,6 +96,8 @@ struct Wm::Main
{
try {
resize_request_rom.update();
if (!resize_request_rom.is_valid())
return;
char const * const node_type = "window";

View File

@ -228,6 +228,8 @@ void Main::handle_focus(unsigned)
{
/* fetch new content of the focus ROM module */
focus_ds.update();
if (!focus_ds.is_valid())
return;
/* reset status-bar properties */
label = Label();

View File

@ -77,6 +77,8 @@ class Rom_filter::Input_rom_registry
void _handle_rom_changed(unsigned)
{
_rom_ds.update();
if (!_rom_ds.is_valid())
return;
try {
_top_level = Xml_node(_rom_ds.local_addr<char>());