
This is a reland of fe99f02317
.
Original change's description:
> [wtf] Eliminate ArrayBufferContents page memory methods.
>
> - Removes ReserveMemory method.
> - Removes ReleaseReservedMemory, this is now just base::FreePages.
> - Removes SetProtection, this is now base::SetPermissions.
> - Removes dependency on sandbox/linux. base::AllocPages / FreePages
> now updates address space limits.
>
> Bug: chromium:799573
> Change-Id: Iabc57c61511dfdc7b7ca2aa93c56ed21a22692f4
> Reviewed-on: https://chromium-review.googlesource.com/923173
> Reviewed-by: Jeremy Roman <jbroman@chromium.org>
> Reviewed-by: Kenneth Russell <kbr@chromium.org>
> Reviewed-by: Kentaro Hara <haraken@chromium.org>
> Commit-Queue: Bill Budge <bbudge@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#537868}
TBR=kbr@chromium.org
Bug: chromium:799573
Change-Id: I62ec635b0f685cc4d33d71fb97fc21ebd3ac0da6
Reviewed-on: https://chromium-review.googlesource.com/928801
Commit-Queue: Bill Budge <bbudge@chromium.org>
Reviewed-by: Bill Budge <bbudge@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Reviewed-by: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#538246}
84 lines
2.0 KiB
C++
84 lines
2.0 KiB
C++
// Copyright 2013 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef GIN_ARRAY_BUFFER_H_
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#define GIN_ARRAY_BUFFER_H_
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#include <stddef.h>
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#include <stdint.h>
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#include "base/compiler_specific.h"
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#include "base/macros.h"
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#include "base/memory/ref_counted.h"
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#include "gin/converter.h"
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#include "gin/gin_export.h"
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#include "v8/include/v8.h"
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namespace gin {
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class ArrayBufferAllocator : public v8::ArrayBuffer::Allocator {
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public:
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void* Allocate(size_t length) override;
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void* AllocateUninitialized(size_t length) override;
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void Free(void* data, size_t length) override;
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GIN_EXPORT static ArrayBufferAllocator* SharedInstance();
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};
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class GIN_EXPORT ArrayBuffer {
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public:
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ArrayBuffer();
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ArrayBuffer(v8::Isolate* isolate, v8::Local<v8::ArrayBuffer> buffer);
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~ArrayBuffer();
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ArrayBuffer& operator=(const ArrayBuffer& other);
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void* bytes() const { return bytes_; }
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size_t num_bytes() const { return num_bytes_; }
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private:
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class Private;
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scoped_refptr<Private> private_;
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void* bytes_;
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size_t num_bytes_;
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DISALLOW_COPY(ArrayBuffer);
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};
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template<>
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struct GIN_EXPORT Converter<ArrayBuffer> {
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static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val,
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ArrayBuffer* out);
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};
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class GIN_EXPORT ArrayBufferView {
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public:
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ArrayBufferView();
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ArrayBufferView(v8::Isolate* isolate, v8::Local<v8::ArrayBufferView> view);
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~ArrayBufferView();
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ArrayBufferView& operator=(const ArrayBufferView& other);
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void* bytes() const {
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return static_cast<uint8_t*>(array_buffer_.bytes()) + offset_;
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}
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size_t num_bytes() const { return num_bytes_; }
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private:
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ArrayBuffer array_buffer_;
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size_t offset_;
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size_t num_bytes_;
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DISALLOW_COPY(ArrayBufferView);
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};
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template<>
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struct GIN_EXPORT Converter<ArrayBufferView> {
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static bool FromV8(v8::Isolate* isolate, v8::Local<v8::Value> val,
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ArrayBufferView* out);
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};
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} // namespace gin
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#endif // GIN_ARRAY_BUFFER_H_
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