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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 #if !defined(DART_IO_DISABLED) | 5 #if !defined(DART_IO_DISABLED) |
6 | 6 |
7 #include "bin/eventhandler.h" | 7 #include "bin/eventhandler.h" |
8 | 8 |
9 #include "bin/builtin.h" | 9 #include "bin/builtin.h" |
10 #include "bin/dartutils.h" | 10 #include "bin/dartutils.h" |
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50 current = timeouts_; | 50 current = timeouts_; |
51 while (current != NULL) { | 51 while (current != NULL) { |
52 if ((next_timeout_ == NULL) || | 52 if ((next_timeout_ == NULL) || |
53 (current->timeout() < next_timeout_->timeout())) { | 53 (current->timeout() < next_timeout_->timeout())) { |
54 next_timeout_ = current; | 54 next_timeout_ = current; |
55 } | 55 } |
56 current = current->next(); | 56 current = current->next(); |
57 } | 57 } |
58 } | 58 } |
59 | 59 |
60 | |
61 static EventHandler* event_handler = NULL; | 60 static EventHandler* event_handler = NULL; |
62 static Monitor* shutdown_monitor = NULL; | 61 static Monitor* shutdown_monitor = NULL; |
63 | 62 |
64 | |
65 void EventHandler::Start() { | 63 void EventHandler::Start() { |
66 // Initialize global socket registry. | 64 // Initialize global socket registry. |
67 ListeningSocketRegistry::Initialize(); | 65 ListeningSocketRegistry::Initialize(); |
68 | 66 |
69 ASSERT(event_handler == NULL); | 67 ASSERT(event_handler == NULL); |
70 shutdown_monitor = new Monitor(); | 68 shutdown_monitor = new Monitor(); |
71 event_handler = new EventHandler(); | 69 event_handler = new EventHandler(); |
72 event_handler->delegate_.Start(event_handler); | 70 event_handler->delegate_.Start(event_handler); |
73 } | 71 } |
74 | 72 |
75 | |
76 void EventHandler::NotifyShutdownDone() { | 73 void EventHandler::NotifyShutdownDone() { |
77 MonitorLocker ml(shutdown_monitor); | 74 MonitorLocker ml(shutdown_monitor); |
78 ml.Notify(); | 75 ml.Notify(); |
79 } | 76 } |
80 | 77 |
81 | |
82 void EventHandler::Stop() { | 78 void EventHandler::Stop() { |
83 if (event_handler == NULL) { | 79 if (event_handler == NULL) { |
84 return; | 80 return; |
85 } | 81 } |
86 | 82 |
87 // Wait until it has stopped. | 83 // Wait until it has stopped. |
88 { | 84 { |
89 MonitorLocker ml(shutdown_monitor); | 85 MonitorLocker ml(shutdown_monitor); |
90 | 86 |
91 // Signal to event handler that we want it to stop. | 87 // Signal to event handler that we want it to stop. |
92 event_handler->delegate_.Shutdown(); | 88 event_handler->delegate_.Shutdown(); |
93 ml.Wait(Monitor::kNoTimeout); | 89 ml.Wait(Monitor::kNoTimeout); |
94 } | 90 } |
95 | 91 |
96 // Cleanup | 92 // Cleanup |
97 delete event_handler; | 93 delete event_handler; |
98 event_handler = NULL; | 94 event_handler = NULL; |
99 delete shutdown_monitor; | 95 delete shutdown_monitor; |
100 shutdown_monitor = NULL; | 96 shutdown_monitor = NULL; |
101 | 97 |
102 // Destroy the global socket registry. | 98 // Destroy the global socket registry. |
103 ListeningSocketRegistry::Cleanup(); | 99 ListeningSocketRegistry::Cleanup(); |
104 } | 100 } |
105 | 101 |
106 | |
107 EventHandlerImplementation* EventHandler::delegate() { | 102 EventHandlerImplementation* EventHandler::delegate() { |
108 if (event_handler == NULL) { | 103 if (event_handler == NULL) { |
109 return NULL; | 104 return NULL; |
110 } | 105 } |
111 return &event_handler->delegate_; | 106 return &event_handler->delegate_; |
112 } | 107 } |
113 | 108 |
114 | |
115 void EventHandler::SendFromNative(intptr_t id, Dart_Port port, int64_t data) { | 109 void EventHandler::SendFromNative(intptr_t id, Dart_Port port, int64_t data) { |
116 event_handler->SendData(id, port, data); | 110 event_handler->SendData(id, port, data); |
117 } | 111 } |
118 | 112 |
119 | |
120 /* | 113 /* |
121 * Send data to the EventHandler thread to register for a given instance | 114 * Send data to the EventHandler thread to register for a given instance |
122 * args[0] a ReceivePort args[1] with a notification event args[2]. | 115 * args[0] a ReceivePort args[1] with a notification event args[2]. |
123 */ | 116 */ |
124 void FUNCTION_NAME(EventHandler_SendData)(Dart_NativeArguments args) { | 117 void FUNCTION_NAME(EventHandler_SendData)(Dart_NativeArguments args) { |
125 // Get the id out of the send port. If the handle is not a send port | 118 // Get the id out of the send port. If the handle is not a send port |
126 // we will get an error and propagate that out. | 119 // we will get an error and propagate that out. |
127 Dart_Handle handle = Dart_GetNativeArgument(args, 1); | 120 Dart_Handle handle = Dart_GetNativeArgument(args, 1); |
128 Dart_Port dart_port; | 121 Dart_Port dart_port; |
129 handle = Dart_SendPortGetId(handle, &dart_port); | 122 handle = Dart_SendPortGetId(handle, &dart_port); |
130 if (Dart_IsError(handle)) { | 123 if (Dart_IsError(handle)) { |
131 Dart_PropagateError(handle); | 124 Dart_PropagateError(handle); |
132 UNREACHABLE(); | 125 UNREACHABLE(); |
133 } | 126 } |
134 Dart_Handle sender = Dart_GetNativeArgument(args, 0); | 127 Dart_Handle sender = Dart_GetNativeArgument(args, 0); |
135 intptr_t id; | 128 intptr_t id; |
136 if (Dart_IsNull(sender)) { | 129 if (Dart_IsNull(sender)) { |
137 id = kTimerId; | 130 id = kTimerId; |
138 } else { | 131 } else { |
139 Socket* socket = Socket::GetSocketIdNativeField(sender); | 132 Socket* socket = Socket::GetSocketIdNativeField(sender); |
140 ASSERT(dart_port != ILLEGAL_PORT); | 133 ASSERT(dart_port != ILLEGAL_PORT); |
141 socket->set_port(dart_port); | 134 socket->set_port(dart_port); |
142 socket->Retain(); // inc refcount before sending to the eventhandler. | 135 socket->Retain(); // inc refcount before sending to the eventhandler. |
143 id = reinterpret_cast<intptr_t>(socket); | 136 id = reinterpret_cast<intptr_t>(socket); |
144 } | 137 } |
145 int64_t data = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 2)); | 138 int64_t data = DartUtils::GetIntegerValue(Dart_GetNativeArgument(args, 2)); |
146 event_handler->SendData(id, dart_port, data); | 139 event_handler->SendData(id, dart_port, data); |
147 } | 140 } |
148 | 141 |
149 | |
150 void FUNCTION_NAME(EventHandler_TimerMillisecondClock)( | 142 void FUNCTION_NAME(EventHandler_TimerMillisecondClock)( |
151 Dart_NativeArguments args) { | 143 Dart_NativeArguments args) { |
152 int64_t now = TimerUtils::GetCurrentMonotonicMillis(); | 144 int64_t now = TimerUtils::GetCurrentMonotonicMillis(); |
153 Dart_SetReturnValue(args, Dart_NewInteger(now)); | 145 Dart_SetReturnValue(args, Dart_NewInteger(now)); |
154 } | 146 } |
155 | 147 |
156 } // namespace bin | 148 } // namespace bin |
157 } // namespace dart | 149 } // namespace dart |
158 | 150 |
159 #endif // !defined(DART_IO_DISABLED) | 151 #endif // !defined(DART_IO_DISABLED) |
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