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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 @patch class _IOService { | 5 @patch |
| 6 class _IOService { |
6 // Lazy initialize service ports, 32 per isolate. | 7 // Lazy initialize service ports, 32 per isolate. |
7 static const int _SERVICE_PORT_COUNT = 32; | 8 static const int _SERVICE_PORT_COUNT = 32; |
8 static List<SendPort> _servicePort = new List(_SERVICE_PORT_COUNT); | 9 static List<SendPort> _servicePort = new List(_SERVICE_PORT_COUNT); |
9 static RawReceivePort _receivePort; | 10 static RawReceivePort _receivePort; |
10 static SendPort _replyToPort; | 11 static SendPort _replyToPort; |
11 static Map<int, Completer> _messageMap = {}; | 12 static Map<int, Completer> _messageMap = {}; |
12 static int _id = 0; | 13 static int _id = 0; |
13 | 14 |
14 @patch static Future _dispatch(int request, List data) { | 15 @patch |
| 16 static Future _dispatch(int request, List data) { |
15 int id; | 17 int id; |
16 do { | 18 do { |
17 id = _getNextId(); | 19 id = _getNextId(); |
18 } while (_messageMap.containsKey(id)); | 20 } while (_messageMap.containsKey(id)); |
19 int index = id % _SERVICE_PORT_COUNT; | 21 int index = id % _SERVICE_PORT_COUNT; |
20 _initialize(index); | 22 _initialize(index); |
21 var completer = new Completer(); | 23 var completer = new Completer(); |
22 _messageMap[id] = completer; | 24 _messageMap[id] = completer; |
23 try { | 25 try { |
24 _servicePort[index].send([id, _replyToPort, request, data]); | 26 _servicePort[index].send([id, _replyToPort, request, data]); |
(...skipping 29 matching lines...) Expand all Loading... |
54 _receivePort = null; | 56 _receivePort = null; |
55 } | 57 } |
56 | 58 |
57 static int _getNextId() { | 59 static int _getNextId() { |
58 if (_id == 0x7FFFFFFF) _id = 0; | 60 if (_id == 0x7FFFFFFF) _id = 0; |
59 return _id++; | 61 return _id++; |
60 } | 62 } |
61 | 63 |
62 static SendPort _newServicePort() native "IOService_NewServicePort"; | 64 static SendPort _newServicePort() native "IOService_NewServicePort"; |
63 } | 65 } |
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