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/*
* 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 WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_
#define WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_
#include <X11/Xlib.h>
#include "webrtc/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 // WEBRTC_MODULES_DESKTOP_CAPTURE_X11_X_ERROR_TRAP_H_
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