blob: ea9ebf670b7ea10fe7528a6207a14f19a6fec90f [file] [log] [blame]
/*
* Copyright (c) 2013 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_
#define MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_
#include <X11/Xlib.h>
#include "rtc_base/constructormagic.h"
namespace webrtc {
// Helper class that registers X Window error handler. Caller can use
// GetLastErrorAndDisable() to get the last error that was caught, if any.
class XErrorTrap {
public:
explicit XErrorTrap(Display* display);
~XErrorTrap();
// Returns last error and removes unregisters the error handler.
int GetLastErrorAndDisable();
private:
XErrorHandler original_error_handler_;
bool enabled_;
RTC_DISALLOW_COPY_AND_ASSIGN(XErrorTrap);
};
} // namespace webrtc
#endif // MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_