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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "mojo/edk/system/dispatcher.h" | 5 #include "mojo/edk/system/dispatcher.h" |
6 | 6 |
7 #include "base/macros.h" | 7 #include "base/macros.h" |
8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
9 #include "base/memory/scoped_vector.h" | 9 #include "base/memory/scoped_vector.h" |
10 #include "base/synchronization/waitable_event.h" | 10 #include "base/synchronization/waitable_event.h" |
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60 d->ReadData(NullUserPointer(), NullUserPointer(), | 60 d->ReadData(NullUserPointer(), NullUserPointer(), |
61 MOJO_READ_DATA_FLAG_NONE)); | 61 MOJO_READ_DATA_FLAG_NONE)); |
62 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 62 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
63 d->BeginReadData(NullUserPointer(), NullUserPointer(), | 63 d->BeginReadData(NullUserPointer(), NullUserPointer(), |
64 MOJO_READ_DATA_FLAG_NONE)); | 64 MOJO_READ_DATA_FLAG_NONE)); |
65 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, d->EndReadData(0)); | 65 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, d->EndReadData(0)); |
66 Waiter w; | 66 Waiter w; |
67 w.Init(); | 67 w.Init(); |
68 HandleSignalsState hss; | 68 HandleSignalsState hss; |
69 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, | 69 EXPECT_EQ(MOJO_RESULT_FAILED_PRECONDITION, |
70 d->AddWaiter(&w, ~MOJO_HANDLE_SIGNAL_NONE, 0, &hss)); | 70 d->AddAwakable(&w, ~MOJO_HANDLE_SIGNAL_NONE, 0, &hss)); |
71 EXPECT_EQ(0u, hss.satisfied_signals); | 71 EXPECT_EQ(0u, hss.satisfied_signals); |
72 EXPECT_EQ(0u, hss.satisfiable_signals); | 72 EXPECT_EQ(0u, hss.satisfiable_signals); |
73 // Okay to remove even if it wasn't added (or was already removed). | 73 // Okay to remove even if it wasn't added (or was already removed). |
74 hss = HandleSignalsState(); | 74 hss = HandleSignalsState(); |
75 d->RemoveWaiter(&w, &hss); | 75 d->RemoveAwakable(&w, &hss); |
76 EXPECT_EQ(0u, hss.satisfied_signals); | 76 EXPECT_EQ(0u, hss.satisfied_signals); |
77 EXPECT_EQ(0u, hss.satisfiable_signals); | 77 EXPECT_EQ(0u, hss.satisfiable_signals); |
78 hss = HandleSignalsState(); | 78 hss = HandleSignalsState(); |
79 d->RemoveWaiter(&w, &hss); | 79 d->RemoveAwakable(&w, &hss); |
80 EXPECT_EQ(0u, hss.satisfied_signals); | 80 EXPECT_EQ(0u, hss.satisfied_signals); |
81 EXPECT_EQ(0u, hss.satisfiable_signals); | 81 EXPECT_EQ(0u, hss.satisfiable_signals); |
82 | 82 |
83 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | 83 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); |
84 | 84 |
85 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 85 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
86 d->WriteMessage(NullUserPointer(), 0, nullptr, | 86 d->WriteMessage(NullUserPointer(), 0, nullptr, |
87 MOJO_WRITE_MESSAGE_FLAG_NONE)); | 87 MOJO_WRITE_MESSAGE_FLAG_NONE)); |
88 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 88 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
89 d->ReadMessage(NullUserPointer(), NullUserPointer(), nullptr, | 89 d->ReadMessage(NullUserPointer(), NullUserPointer(), nullptr, |
90 nullptr, MOJO_WRITE_MESSAGE_FLAG_NONE)); | 90 nullptr, MOJO_WRITE_MESSAGE_FLAG_NONE)); |
91 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 91 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
92 d->WriteData(NullUserPointer(), NullUserPointer(), | 92 d->WriteData(NullUserPointer(), NullUserPointer(), |
93 MOJO_WRITE_DATA_FLAG_NONE)); | 93 MOJO_WRITE_DATA_FLAG_NONE)); |
94 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 94 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
95 d->BeginWriteData(NullUserPointer(), NullUserPointer(), | 95 d->BeginWriteData(NullUserPointer(), NullUserPointer(), |
96 MOJO_WRITE_DATA_FLAG_NONE)); | 96 MOJO_WRITE_DATA_FLAG_NONE)); |
97 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, d->EndWriteData(0)); | 97 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, d->EndWriteData(0)); |
98 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 98 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
99 d->ReadData(NullUserPointer(), NullUserPointer(), | 99 d->ReadData(NullUserPointer(), NullUserPointer(), |
100 MOJO_READ_DATA_FLAG_NONE)); | 100 MOJO_READ_DATA_FLAG_NONE)); |
101 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 101 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
102 d->BeginReadData(NullUserPointer(), NullUserPointer(), | 102 d->BeginReadData(NullUserPointer(), NullUserPointer(), |
103 MOJO_READ_DATA_FLAG_NONE)); | 103 MOJO_READ_DATA_FLAG_NONE)); |
104 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, d->EndReadData(0)); | 104 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, d->EndReadData(0)); |
105 hss = HandleSignalsState(); | 105 hss = HandleSignalsState(); |
106 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, | 106 EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT, |
107 d->AddWaiter(&w, ~MOJO_HANDLE_SIGNAL_NONE, 0, &hss)); | 107 d->AddAwakable(&w, ~MOJO_HANDLE_SIGNAL_NONE, 0, &hss)); |
108 EXPECT_EQ(0u, hss.satisfied_signals); | 108 EXPECT_EQ(0u, hss.satisfied_signals); |
109 EXPECT_EQ(0u, hss.satisfiable_signals); | 109 EXPECT_EQ(0u, hss.satisfiable_signals); |
110 hss = HandleSignalsState(); | 110 hss = HandleSignalsState(); |
111 d->RemoveWaiter(&w, &hss); | 111 d->RemoveAwakable(&w, &hss); |
112 EXPECT_EQ(0u, hss.satisfied_signals); | 112 EXPECT_EQ(0u, hss.satisfied_signals); |
113 EXPECT_EQ(0u, hss.satisfiable_signals); | 113 EXPECT_EQ(0u, hss.satisfiable_signals); |
114 } | 114 } |
115 | 115 |
116 class ThreadSafetyStressThread : public base::SimpleThread { | 116 class ThreadSafetyStressThread : public base::SimpleThread { |
117 public: | 117 public: |
118 enum DispatcherOp { | 118 enum DispatcherOp { |
119 CLOSE = 0, | 119 CLOSE = 0, |
120 WRITE_MESSAGE, | 120 WRITE_MESSAGE, |
121 READ_MESSAGE, | 121 READ_MESSAGE, |
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205 } | 205 } |
206 case MAP_BUFFER: { | 206 case MAP_BUFFER: { |
207 scoped_ptr<embedder::PlatformSharedBufferMapping> unused; | 207 scoped_ptr<embedder::PlatformSharedBufferMapping> unused; |
208 EXPECT_EQ( | 208 EXPECT_EQ( |
209 MOJO_RESULT_INVALID_ARGUMENT, | 209 MOJO_RESULT_INVALID_ARGUMENT, |
210 dispatcher_->MapBuffer(0u, 0u, MOJO_MAP_BUFFER_FLAG_NONE, &unused)); | 210 dispatcher_->MapBuffer(0u, 0u, MOJO_MAP_BUFFER_FLAG_NONE, &unused)); |
211 break; | 211 break; |
212 } | 212 } |
213 case ADD_WAITER: { | 213 case ADD_WAITER: { |
214 HandleSignalsState hss; | 214 HandleSignalsState hss; |
215 MojoResult r = | 215 MojoResult r = dispatcher_->AddAwakable( |
216 dispatcher_->AddWaiter(&waiter_, ~MOJO_HANDLE_SIGNAL_NONE, 0, &hss); | 216 &waiter_, ~MOJO_HANDLE_SIGNAL_NONE, 0, &hss); |
217 EXPECT_TRUE(r == MOJO_RESULT_FAILED_PRECONDITION || | 217 EXPECT_TRUE(r == MOJO_RESULT_FAILED_PRECONDITION || |
218 r == MOJO_RESULT_INVALID_ARGUMENT); | 218 r == MOJO_RESULT_INVALID_ARGUMENT); |
219 EXPECT_EQ(0u, hss.satisfied_signals); | 219 EXPECT_EQ(0u, hss.satisfied_signals); |
220 EXPECT_EQ(0u, hss.satisfiable_signals); | 220 EXPECT_EQ(0u, hss.satisfiable_signals); |
221 break; | 221 break; |
222 } | 222 } |
223 case REMOVE_WAITER: { | 223 case REMOVE_WAITER: { |
224 HandleSignalsState hss; | 224 HandleSignalsState hss; |
225 dispatcher_->RemoveWaiter(&waiter_, &hss); | 225 dispatcher_->RemoveAwakable(&waiter_, &hss); |
226 EXPECT_EQ(0u, hss.satisfied_signals); | 226 EXPECT_EQ(0u, hss.satisfied_signals); |
227 EXPECT_EQ(0u, hss.satisfiable_signals); | 227 EXPECT_EQ(0u, hss.satisfiable_signals); |
228 break; | 228 break; |
229 } | 229 } |
230 default: | 230 default: |
231 NOTREACHED(); | 231 NOTREACHED(); |
232 break; | 232 break; |
233 } | 233 } |
234 | 234 |
235 // Always try to remove the waiter, in case we added it. | 235 // Always try to remove the waiter, in case we added it. |
236 HandleSignalsState hss; | 236 HandleSignalsState hss; |
237 dispatcher_->RemoveWaiter(&waiter_, &hss); | 237 dispatcher_->RemoveAwakable(&waiter_, &hss); |
238 EXPECT_EQ(0u, hss.satisfied_signals); | 238 EXPECT_EQ(0u, hss.satisfied_signals); |
239 EXPECT_EQ(0u, hss.satisfiable_signals); | 239 EXPECT_EQ(0u, hss.satisfiable_signals); |
240 } | 240 } |
241 | 241 |
242 base::WaitableEvent* const event_; | 242 base::WaitableEvent* const event_; |
243 const scoped_refptr<Dispatcher> dispatcher_; | 243 const scoped_refptr<Dispatcher> dispatcher_; |
244 const DispatcherOp op_; | 244 const DispatcherOp op_; |
245 | 245 |
246 Waiter waiter_; | 246 Waiter waiter_; |
247 | 247 |
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298 event.Signal(); | 298 event.Signal(); |
299 } // Joins all the threads. | 299 } // Joins all the threads. |
300 | 300 |
301 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); | 301 EXPECT_EQ(MOJO_RESULT_OK, d->Close()); |
302 } | 302 } |
303 } | 303 } |
304 | 304 |
305 } // namespace | 305 } // namespace |
306 } // namespace system | 306 } // namespace system |
307 } // namespace mojo | 307 } // namespace mojo |
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