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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/**
* Copyright (C) 2018-present MongoDB, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the Server Side Public License, version 1,
* as published by MongoDB, Inc.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* Server Side Public License for more details.
*
* You should have received a copy of the Server Side Public License
* along with this program. If not, see
* <http://www.mongodb.com/licensing/server-side-public-license>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the Server Side Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#pragma once
#include "mongo/scripting/mozjs/wraptype.h"
namespace mongo {
namespace mozjs {
/**
* Helper for the JSThread javascript object
*
* The workflow is strange because we have a thing in javascript called a
* JSThread, but we don't actually get to construct it. Instead, we have to
* inject methods into that thing (via _threadInject) and hang our C++ thread
* separately (via init() on that type).
*
* To manage lifetime, we just add a field into the injected object that's our
* JSThread and add our holder in as our JSThread's private member.
*/
struct JSThreadInfo : public BaseInfo {
static void finalize(js::FreeOp* fop, JSObject* obj);
struct Functions {
MONGO_DECLARE_JS_FUNCTION(init);
MONGO_DECLARE_JS_FUNCTION(start);
MONGO_DECLARE_JS_FUNCTION(join);
MONGO_DECLARE_JS_FUNCTION(hasFailed);
MONGO_DECLARE_JS_FUNCTION(returnData);
MONGO_DECLARE_JS_FUNCTION(_threadInject);
MONGO_DECLARE_JS_FUNCTION(_scopedThreadInject);
};
/**
* Note that this isn't meant to supply methods for JSThread, it's just
* there to work with _threadInject. So the name isn't a mistake
*/
static const JSFunctionSpec threadMethods[6];
static const JSFunctionSpec freeFunctions[3];
static const char* const className;
static const unsigned classFlags = JSCLASS_HAS_PRIVATE;
static const InstallType installType = InstallType::Private;
};
} // namespace mozjs
} // namespace mongo
|
