blob: e48db29c9ac536806b92656ec82c46c5f2824b40 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_BLINK_ISOLATE_BLINK_ISOLATE_H_
#define THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_BLINK_ISOLATE_BLINK_ISOLATE_H_
#include "third_party/blink/public/platform/web_isolate.h"
#include "third_party/blink/renderer/platform/platform_export.h"
namespace blink {
// An BlinkIsolate is a memory and scheduling isolation boundary in Blink,
// which is currently being introduced as a part of Multiple Blink Isolates
// project.
// TODO(crbug.com/1051790): is the tracking bug for the project.
//
// An Isolate will hold a distinct memory region (V8 and Oilpan heaps),
// and a dedicated scheduler.
class PLATFORM_EXPORT BlinkIsolate : public WebIsolate {
public:
// Get the currently active BlinkIsolate. GetCurrent() may return nullptr if
// there is no active BlinkIsolate.
// TODO(crbug.com/1051395): GetCurrent() returns the singleton BlinkIsolate
// instance for now, but will change once we start instantiating multiple
// BlinkIsolates.
static BlinkIsolate* GetCurrent();
BlinkIsolate();
~BlinkIsolate() override;
private:
BlinkIsolate(const BlinkIsolate&) = delete;
BlinkIsolate& operator=(const BlinkIsolate&) = delete;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_BINDINGS_BLINK_ISOLATE_BLINK_ISOLATE_H_
|
