WindowServer: Don't crash if unable to open input peripherals

Seems a bit extreme, other operating systems don't have their graphical
environment crash if there is no keyboard or no mouse.

1 files changed, 12 insertions, 7 deletions

diff --git a/Userland/Services/WindowServer/EventLoop.cpp b/Userland/Services/WindowServer/EventLoop.cpp
index 21dae58823..b8fdfcc3be 100644
--- a/Userland/Services/WindowServer/EventLoop.cpp
+++ b/Userland/Services/WindowServer/EventLoop.cpp
@@ -66,14 +66,19 @@ EventLoop::EventLoop()
         IPC::new_client_connection<ClientConnection>(client_socket.release_nonnull(), client_id);
     };
 
-    ASSERT(m_keyboard_fd >= 0);
-    ASSERT(m_mouse_fd >= 0);
-
-    m_keyboard_notifier = Core::Notifier::construct(m_keyboard_fd, Core::Notifier::Read);
-    m_keyboard_notifier->on_ready_to_read = [this] { drain_keyboard(); };
+    if (m_keyboard_fd >= 0) {
+        m_keyboard_notifier = Core::Notifier::construct(m_keyboard_fd, Core::Notifier::Read);
+        m_keyboard_notifier->on_ready_to_read = [this] { drain_keyboard(); };
+    } else {
+        dbgln("Couldn't open /dev/keyboard");
+    }
 
-    m_mouse_notifier = Core::Notifier::construct(m_mouse_fd, Core::Notifier::Read);
-    m_mouse_notifier->on_ready_to_read = [this] { drain_mouse(); };
+    if (m_mouse_fd >= 0) {
+        m_mouse_notifier = Core::Notifier::construct(m_mouse_fd, Core::Notifier::Read);
+        m_mouse_notifier->on_ready_to_read = [this] { drain_mouse(); };
+    } else {
+        dbgln("Couldn't open /dev/mouse");
+    }
 }
 
 EventLoop::~EventLoop()