57 lines
2.0 KiB
C++
57 lines
2.0 KiB
C++
/*
|
|
* Copyright (C) 2017 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.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include "BAssert.h"
|
|
#include "DeferredTrigger.h"
|
|
|
|
namespace bmalloc {
|
|
|
|
template<IsoPageTrigger trigger>
|
|
template<typename Config>
|
|
void DeferredTrigger<trigger>::didBecome(const LockHolder& locker, IsoPage<Config>& page)
|
|
{
|
|
if (page.isInUseForAllocation())
|
|
m_hasBeenDeferred = true;
|
|
else
|
|
page.directory().didBecome(locker, &page, trigger);
|
|
}
|
|
|
|
template<IsoPageTrigger trigger>
|
|
template<typename Config>
|
|
void DeferredTrigger<trigger>::handleDeferral(const LockHolder& locker, IsoPage<Config>& page)
|
|
{
|
|
RELEASE_BASSERT(!page.isInUseForAllocation());
|
|
|
|
if (m_hasBeenDeferred) {
|
|
page.directory().didBecome(locker, &page, trigger);
|
|
m_hasBeenDeferred = false;
|
|
}
|
|
}
|
|
|
|
} // namespace bmalloc
|
|
|