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Side by Side Diff: runtime/lib/isolate_patch.dart

Issue 163523003: Add 'startPaused' option to Isolate.spawn*. (Closed) Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart
Patch Set: Address comments. Created 6 years, 10 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file 1 // Copyright (c) 2012, 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 import "dart:collection" show HashMap; 5 import "dart:collection" show HashMap;
6 6
7 patch class ReceivePort { 7 patch class ReceivePort {
8 /* patch */ factory ReceivePort() = _ReceivePortImpl; 8 /* patch */ factory ReceivePort() = _ReceivePortImpl;
9 9
10 /* patch */ factory ReceivePort.fromRawReceivePort(RawReceivePort rawPort) = 10 /* patch */ factory ReceivePort.fromRawReceivePort(RawReceivePort rawPort) =
(...skipping 209 matching lines...) Expand 10 before | Expand all | Expand 10 after
220 var entryMessage = message[1]; 220 var entryMessage = message[1];
221 entryPoint(entryMessage); 221 entryPoint(entryMessage);
222 } 222 }
223 } 223 }
224 224
225 Isolate._self.handler = isolateStartHandler; 225 Isolate._self.handler = isolateStartHandler;
226 } 226 }
227 227
228 patch class Isolate { 228 patch class Isolate {
229 /* patch */ static Future<Isolate> spawn( 229 /* patch */ static Future<Isolate> spawn(
230 void entryPoint(message), var message) { 230 void entryPoint(message), var message, { bool paused: false }) {
231 // `paused` isn't handled yet.
231 try { 232 try {
232 // The VM will invoke [_startIsolate] with entryPoint as argument. 233 // The VM will invoke [_startIsolate] with entryPoint as argument.
233 SendPort controlPort = _spawnFunction(entryPoint); 234 SendPort controlPort = _spawnFunction(entryPoint);
234 RawReceivePort readyPort = new RawReceivePort(); 235 RawReceivePort readyPort = new RawReceivePort();
235 controlPort.send([readyPort.sendPort, message]); 236 controlPort.send([readyPort.sendPort, message]);
236 Completer completer = new Completer<Isolate>.sync(); 237 Completer completer = new Completer<Isolate>.sync();
237 readyPort.handler = (readyMessage) { 238 readyPort.handler = (readyMessage) {
238 assert(readyMessage == 'started'); 239 assert(readyMessage == 'started');
239 readyPort.close(); 240 readyPort.close();
240 completer.complete(new Isolate._fromControlPort(controlPort)); 241 completer.complete(new Isolate._fromControlPort(controlPort));
241 }; 242 };
242 return completer.future; 243 return completer.future;
243 } catch (e, st) { 244 } catch (e, st) {
244 return new Future<Isolate>.error(e, st); 245 return new Future<Isolate>.error(e, st);
245 }; 246 };
246 } 247 }
247 248
248 /* patch */ static Future<Isolate> spawnUri( 249 /* patch */ static Future<Isolate> spawnUri(
249 Uri uri, List<String> args, var message) { 250 Uri uri, List<String> args, var message, { bool paused: false }) {
251 // `paused` isn't handled yet.
250 try { 252 try {
251 // The VM will invoke [_startIsolate] and not `main`. 253 // The VM will invoke [_startIsolate] and not `main`.
252 SendPort controlPort = _spawnUri(uri.toString()); 254 SendPort controlPort = _spawnUri(uri.toString());
253 RawReceivePort readyPort = new RawReceivePort(); 255 RawReceivePort readyPort = new RawReceivePort();
254 controlPort.send([readyPort.sendPort, args, message]); 256 controlPort.send([readyPort.sendPort, args, message]);
255 Completer completer = new Completer<Isolate>.sync(); 257 Completer completer = new Completer<Isolate>.sync();
256 readyPort.handler = (readyMessage) { 258 readyPort.handler = (readyMessage) {
257 assert(readyMessage == 'started'); 259 assert(readyMessage == 'started');
258 readyPort.close(); 260 readyPort.close();
259 completer.complete(new Isolate._fromControlPort(controlPort)); 261 completer.complete(new Isolate._fromControlPort(controlPort));
(...skipping 12 matching lines...) Expand all
272 native "Isolate_spawnFunction"; 274 native "Isolate_spawnFunction";
273 275
274 static SendPort _spawnUri(String uri) native "Isolate_spawnUri"; 276 static SendPort _spawnUri(String uri) native "Isolate_spawnUri";
275 } 277 }
276 278
277 patch class Capability { 279 patch class Capability {
278 /* patch */ factory Capability() { 280 /* patch */ factory Capability() {
279 throw new UnimplementedError(); 281 throw new UnimplementedError();
280 } 282 }
281 } 283 }
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