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/*
* Copyright (C) 2009 Apple Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef SuddenTermination_h
#define SuddenTermination_h
#include <wtf/Noncopyable.h>
namespace WebCore {
// Once disabled via one or more more calls to disableSuddenTermination(), fast shutdown
// is not valid until enableSuddenTermination() has been called an equal number of times.
// On Mac, these are thin wrappers around Mac OS X functions of the same name.
#if PLATFORM(MAC)
WEBCORE_EXPORT void disableSuddenTermination();
WEBCORE_EXPORT void enableSuddenTermination();
#else
inline void disableSuddenTermination() { }
inline void enableSuddenTermination() { }
#endif
class SuddenTerminationDisabler {
WTF_MAKE_NONCOPYABLE(SuddenTerminationDisabler);
public:
SuddenTerminationDisabler()
{
disableSuddenTermination();
}
~SuddenTerminationDisabler()
{
enableSuddenTermination();
}
};
} // namespace WebCore
#endif // SuddenTermination_h