array_buffer_contents.cc | Explore in Territory

/*
 * Copyright (C) 2009 Apple Inc. All rights reserved.
 * Copyright (C) 2013 Google 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 COMPUTER, 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 COMPUTER, 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.
 */

#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/351564777): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif

#include "third_party/blink/renderer/core/typed_arrays/array_buffer/array_buffer_contents.h"

#include <cstring>

#include "base/bits.h"
#include "base/system/sys_info.h"
#include "gin/array_buffer.h"
#include "partition_alloc/partition_alloc.h"
#include "third_party/blink/renderer/platform/instrumentation/instance_counters.h"
#include "third_party/blink/renderer/platform/wtf/allocator/partitions.h"

namespace blink {

ArrayBufferContents::ArrayBufferContents(
    const base::subtle::PlatformSharedMemoryRegion& region,
    uint64_t offset,
    size_t length) { … }

ArrayBufferContents::ArrayBufferContents(
    size_t num_elements,
    std::optional<size_t> max_num_elements,
    size_t element_byte_size,
    SharingType is_shared,
    ArrayBufferContents::InitializationPolicy policy) { … }

ArrayBufferContents::~ArrayBufferContents() = default;

void ArrayBufferContents::Detach() { … }

void ArrayBufferContents::Reset() { … }

void ArrayBufferContents::Transfer(ArrayBufferContents& other) { … }

void ArrayBufferContents::ShareWith(ArrayBufferContents& other) { … }

void ArrayBufferContents::ShareNonSharedForInternalUse(
    ArrayBufferContents& other) { … }

void ArrayBufferContents::CopyTo(ArrayBufferContents& other) { … }

template <partition_alloc::AllocFlags flags>
void* ArrayBufferContents::AllocateMemory(size_t size,
                                          InitializationPolicy policy) { … }

void* ArrayBufferContents::AllocateMemoryOrNull(size_t size,
                                                InitializationPolicy policy) { … }

void ArrayBufferContents::FreeMemory(void* data) { … }

}  // namespace blink
chromium/third_party/blink/renderer/core/typed_arrays/array_buffer/array_buffer_contents.cc
