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| 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, 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 #include "vm/message_handler.h" | 5 #include "vm/message_handler.h" |
| 6 #include "vm/dart.h" | 6 #include "vm/dart.h" |
| 7 | 7 |
| 8 namespace dart { | 8 namespace dart { |
| 9 | 9 |
| 10 DECLARE_FLAG(bool, trace_isolates); | 10 DECLARE_FLAG(bool, trace_isolates); |
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| 88 void MessageHandler::PostMessage(Message* message) { | 88 void MessageHandler::PostMessage(Message* message) { |
| 89 MonitorLocker ml(&monitor_); | 89 MonitorLocker ml(&monitor_); |
| 90 if (FLAG_trace_isolates) { | 90 if (FLAG_trace_isolates) { |
| 91 const char* source_name = "<native code>"; | 91 const char* source_name = "<native code>"; |
| 92 Isolate* source_isolate = Isolate::Current(); | 92 Isolate* source_isolate = Isolate::Current(); |
| 93 if (source_isolate) { | 93 if (source_isolate) { |
| 94 source_name = source_isolate->name(); | 94 source_name = source_isolate->name(); |
| 95 } | 95 } |
| 96 OS::Print("[>] Posting message:\n" | 96 OS::Print("[>] Posting message:\n" |
| 97 "\tsource: %s\n" | 97 "\tsource: %s\n" |
| 98 "\treply_port: %lld\n" | 98 "\treply_port: %"Pd64"\n" |
| 99 "\tdest: %s\n" | 99 "\tdest: %s\n" |
| 100 "\tdest_port: %lld\n", | 100 "\tdest_port: %"Pd64"\n", |
| 101 source_name, message->reply_port(), name(), message->dest_port()); | 101 source_name, message->reply_port(), name(), message->dest_port()); |
| 102 } | 102 } |
| 103 | 103 |
| 104 Message::Priority saved_priority = message->priority(); | 104 Message::Priority saved_priority = message->priority(); |
| 105 if (message->IsOOB()) { | 105 if (message->IsOOB()) { |
| 106 oob_queue_->Enqueue(message); | 106 oob_queue_->Enqueue(message); |
| 107 } else { | 107 } else { |
| 108 queue_->Enqueue(message); | 108 queue_->Enqueue(message); |
| 109 } | 109 } |
| 110 message = NULL; // Do not access message. May have been deleted. | 110 message = NULL; // Do not access message. May have been deleted. |
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| 134 // TODO(turnidge): Add assert that monitor_ is held here. | 134 // TODO(turnidge): Add assert that monitor_ is held here. |
| 135 bool result = true; | 135 bool result = true; |
| 136 Message::Priority min_priority = (allow_normal_messages | 136 Message::Priority min_priority = (allow_normal_messages |
| 137 ? Message::kNormalPriority | 137 ? Message::kNormalPriority |
| 138 : Message::kOOBPriority); | 138 : Message::kOOBPriority); |
| 139 Message* message = DequeueMessage(min_priority); | 139 Message* message = DequeueMessage(min_priority); |
| 140 while (message) { | 140 while (message) { |
| 141 if (FLAG_trace_isolates) { | 141 if (FLAG_trace_isolates) { |
| 142 OS::Print("[<] Handling message:\n" | 142 OS::Print("[<] Handling message:\n" |
| 143 "\thandler: %s\n" | 143 "\thandler: %s\n" |
| 144 "\tport: %lld\n", | 144 "\tport: %"Pd64"\n", |
| 145 name(), message->dest_port()); | 145 name(), message->dest_port()); |
| 146 } | 146 } |
| 147 | 147 |
| 148 // Release the monitor_ temporarily while we handle the message. | 148 // Release the monitor_ temporarily while we handle the message. |
| 149 // The monitor was acquired in MessageHandler::TaskCallback(). | 149 // The monitor was acquired in MessageHandler::TaskCallback(). |
| 150 monitor_.Exit(); | 150 monitor_.Exit(); |
| 151 Message::Priority saved_priority = message->priority(); | 151 Message::Priority saved_priority = message->priority(); |
| 152 result = HandleMessage(message); | 152 result = HandleMessage(message); |
| 153 // ASSERT(Isolate::Current() == NULL); | 153 // ASSERT(Isolate::Current() == NULL); |
| 154 monitor_.Enter(); | 154 monitor_.Enter(); |
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| 228 // The handler may have been deleted after this point. | 228 // The handler may have been deleted after this point. |
| 229 } | 229 } |
| 230 } | 230 } |
| 231 | 231 |
| 232 | 232 |
| 233 void MessageHandler::ClosePort(Dart_Port port) { | 233 void MessageHandler::ClosePort(Dart_Port port) { |
| 234 MonitorLocker ml(&monitor_); | 234 MonitorLocker ml(&monitor_); |
| 235 if (FLAG_trace_isolates) { | 235 if (FLAG_trace_isolates) { |
| 236 OS::Print("[-] Closing port:\n" | 236 OS::Print("[-] Closing port:\n" |
| 237 "\thandler: %s\n" | 237 "\thandler: %s\n" |
| 238 "\tport: %d\n", | 238 "\tport: %"Pd64"\n", |
| 239 name(), port); | 239 name(), port); |
| 240 } | 240 } |
| 241 queue_->Flush(port); | 241 queue_->Flush(port); |
| 242 oob_queue_->Flush(port); | 242 oob_queue_->Flush(port); |
| 243 } | 243 } |
| 244 | 244 |
| 245 | 245 |
| 246 void MessageHandler::CloseAllPorts() { | 246 void MessageHandler::CloseAllPorts() { |
| 247 MonitorLocker ml(&monitor_); | 247 MonitorLocker ml(&monitor_); |
| 248 if (FLAG_trace_isolates) { | 248 if (FLAG_trace_isolates) { |
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| 266 | 266 |
| 267 void MessageHandler::decrement_live_ports() { | 267 void MessageHandler::decrement_live_ports() { |
| 268 MonitorLocker ml(&monitor_); | 268 MonitorLocker ml(&monitor_); |
| 269 #if defined(DEBUG) | 269 #if defined(DEBUG) |
| 270 CheckAccess(); | 270 CheckAccess(); |
| 271 #endif | 271 #endif |
| 272 live_ports_--; | 272 live_ports_--; |
| 273 } | 273 } |
| 274 | 274 |
| 275 } // namespace dart | 275 } // namespace dart |
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