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/*
* Copyright (C) 2013 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. AND ITS CONTRIBUTORS ``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 ITS 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 ImportanceAssertion_h
#define ImportanceAssertion_h
#if PLATFORM(MAC)
#if USE(APPLE_INTERNAL_SDK)
#include <libproc_internal.h>
#endif
extern "C" int proc_denap_assertion_begin_with_msg(mach_msg_header_t*, uint64_t *);
extern "C" int proc_denap_assertion_complete(uint64_t);
namespace IPC {
class ImportanceAssertion {
WTF_MAKE_NONCOPYABLE(ImportanceAssertion);
public:
explicit ImportanceAssertion(mach_msg_header_t* header)
: m_assertion(0)
{
proc_denap_assertion_begin_with_msg(header, &m_assertion);
}
~ImportanceAssertion()
{
proc_denap_assertion_complete(m_assertion);
}
private:
uint64_t m_assertion;
};
}
#endif // PLATFORM(MAC)
#endif // ImportanceAssertion_h
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