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Destroy all remaining windows in a process when it dies.

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This commit is contained in:
Andreas Kling 2019-01-30 19:35:38 +01:00
parent 3a4207b863
commit 5c25f0c4db
7 changed files with 30 additions and 6 deletions
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8
Kernel/Process.cpp
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@ -1490,9 +1490,10 @@ int Process::reap(Process& process)
if (process.ppid()) {
auto* parent = Process::from_pid(process.ppid());
ASSERT(parent);
parent->m_ticks_in_user_for_dead_children += process.m_ticks_in_user + process.m_ticks_in_user_for_dead_children;
parent->m_ticks_in_kernel_for_dead_children += process.m_ticks_in_kernel + process.m_ticks_in_kernel_for_dead_children;
if (parent) {
parent->m_ticks_in_user_for_dead_children += process.m_ticks_in_user + process.m_ticks_in_user_for_dead_children;
parent->m_ticks_in_kernel_for_dead_children += process.m_ticks_in_kernel + process.m_ticks_in_kernel_for_dead_children;
}
}
dbgprintf("reap: %s(%u) {%s}\n", process.name().characters(), process.pid(), toString(process.state()));
@ -2143,4 +2144,5 @@ void Process::die()
{
set_state(Dead);
m_fds.clear();
destroy_all_windows();
}

1
Kernel/Process.h
View file

@ -216,6 +216,7 @@ public:
static void initialize();
static void initialize_gui_statics();
int make_window_id();
void destroy_all_windows();
void crash() NORETURN;
static int reap(Process&) WARN_UNUSED_RESULT;

9
Kernel/ProcessGUI.cpp
View file

@ -257,3 +257,12 @@ int Process::gui$set_global_cursor_tracking_enabled(int window_id, bool enabled)
window.set_global_cursor_tracking_enabled(enabled);
return 0;
}
void Process::destroy_all_windows()
{
for (auto& it : m_windows) {
auto message = make<WSMessage>(WSMessage::WM_DestroyWindow);
WSMessageLoop::the().post_message(it.value.leakPtr(), move(message), true);
}
m_windows.clear();
}

1
WindowServer/WSMessage.h
View file

@ -14,6 +14,7 @@ public:
WM_SetWindowTitle,
WM_SetWindowRect,
WM_DeferredCompose,
WM_DestroyWindow,
MouseMove,
MouseDown,
MouseUp,

10
WindowServer/WSMessageLoop.cpp
View file

@ -71,9 +71,15 @@ int WSMessageLoop::exec()
}
}
void WSMessageLoop::post_message(WSMessageReceiver* receiver, OwnPtr<WSMessage>&& message)
void WSMessageLoop::post_message(WSMessageReceiver* receiver, OwnPtr<WSMessage>&& message, bool unsafe)
{
ASSERT_INTERRUPTS_ENABLED();
if (unsafe) {
// FIXME: This is such a hack. It should not exist.
m_queued_messages.append({ receiver, move(message) });
if (current != m_server_process)
m_server_process->request_wakeup();
return;
}
LOCKER(m_lock);
#ifdef WSEVENTLOOP_DEBUG
dbgprintf("WSMessageLoop::post_message: {%u} << receiver=%p, message=%p\n", m_queued_messages.size(), receiver, message.ptr());

2
WindowServer/WSMessageLoop.h
View file

@ -15,7 +15,7 @@ public:
int exec();
void post_message(WSMessageReceiver* receiver, OwnPtr<WSMessage>&&);
void post_message(WSMessageReceiver* receiver, OwnPtr<WSMessage>&&, bool unsafe = false);
static WSMessageLoop& the();

5
WindowServer/WSWindow.cpp
View file

@ -107,12 +107,17 @@ void WSWindow::on_message(WSMessage& message)
case WSMessage::WM_SetWindowTitle:
set_title(static_cast<WSSetWindowTitleMessage&>(message).title());
return;
case WSMessage::WM_DestroyWindow:
delete this;
return;
case WSMessage::WindowActivated:
gui_event.type = GUI_Event::Type::WindowActivated;
break;
case WSMessage::WindowDeactivated:
gui_event.type = GUI_Event::Type::WindowDeactivated;
break;
default:
break;
}
if (gui_event.type == GUI_Event::Type::Invalid)