| // Copyright 2013 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/x11/x11_error_tracker.h" |
| |
| #include "base/message_loop/message_pump_x11.h" |
| |
| namespace { |
| |
| unsigned char g_x11_error_code = 0; |
| |
| int X11ErrorHandler(Display* display, XErrorEvent* error) { |
| g_x11_error_code = error->error_code; |
| return 0; |
| } |
| |
| } |
| |
| namespace base { |
| |
| X11ErrorTracker::X11ErrorTracker() { |
| old_handler_ = XSetErrorHandler(X11ErrorHandler); |
| } |
| |
| X11ErrorTracker::~X11ErrorTracker() { |
| XSetErrorHandler(old_handler_); |
| } |
| |
| bool X11ErrorTracker::FoundNewError() { |
| XSync(MessagePumpForUI::GetDefaultXDisplay(), False); |
| unsigned char error = g_x11_error_code; |
| g_x11_error_code = 0; |
| return error != 0; |
| } |
| |
| } // namespace ui |