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AlignedMemoryAllocator.cpp
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/*
* Copyright (C) 2017-2023 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.
*/
#
include
"
config.h
"
#
include
"
AlignedMemoryAllocator.h
"
#
include
"
BlockDirectory.h
"
#
include
"
HeapInlines.h
"
#
include
"
Subspace.h
"
namespace
JSC
{
AlignedMemoryAllocator::AlignedMemoryAllocator
() =
default
;
AlignedMemoryAllocator::~AlignedMemoryAllocator
() =
default
;
void
AlignedMemoryAllocator::registerDirectory
(
JSC
::Heap& heap, BlockDirectory* directory)
{
RELEASE_ASSERT
(!directory->
nextDirectoryInAlignedMemoryAllocator
());
if
(m_directories.
isEmpty
()) {
ASSERT_UNUSED
(heap, !
Thread::mayBeGCThread
() || heap.
worldIsStopped
());
for
(Subspace* subspace = m_subspaces.
first
(); subspace; subspace = subspace->
nextSubspaceInAlignedMemoryAllocator
())
subspace->
didCreateFirstDirectory
(directory);
}
m_directories.
append
(
std::mem_fn
(&BlockDirectory::setNextDirectoryInAlignedMemoryAllocator), directory);
}
void
AlignedMemoryAllocator::registerSubspace
(Subspace* subspace)
{
RELEASE_ASSERT
(!subspace->
nextSubspaceInAlignedMemoryAllocator
());
m_subspaces.
append
(
std::mem_fn
(&Subspace::setNextSubspaceInAlignedMemoryAllocator), subspace);
}
}
//
namespace JSC
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