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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 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 // This test validates that the ProcessSingleton class properly makes sure | 5 // This test validates that the ProcessSingleton class properly makes sure |
6 // that there is only one main browser process. | 6 // that there is only one main browser process. |
7 // | 7 // |
8 // It is currently compiled and run on Windows and Posix(non-Mac) platforms. | 8 // It is currently compiled and run on Windows and Posix(non-Mac) platforms. |
9 // Mac uses system services and ProcessSingletonMac is a noop. (Maybe it still | 9 // Mac uses system services and ProcessSingletonMac is a noop. (Maybe it still |
10 // makes sense to test that the system services are giving the behavior we | 10 // makes sense to test that the system services are giving the behavior we |
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94 | 94 |
95 // Here we don't wait for the app to be terminated because one of the | 95 // Here we don't wait for the app to be terminated because one of the |
96 // process will stay alive while the others will be restarted. If we would | 96 // process will stay alive while the others will be restarted. If we would |
97 // wait here, we would never get a handle to the main process... | 97 // wait here, we would never get a handle to the main process... |
98 process_ = base::LaunchProcess(command_line, base::LaunchOptions()); | 98 process_ = base::LaunchProcess(command_line, base::LaunchOptions()); |
99 ASSERT_TRUE(process_.IsValid()); | 99 ASSERT_TRUE(process_.IsValid()); |
100 | 100 |
101 // We can wait on the handle here, we should get stuck on one and only | 101 // We can wait on the handle here, we should get stuck on one and only |
102 // one process. The test below will take care of killing that process | 102 // one process. The test below will take care of killing that process |
103 // to unstuck us once it confirms there is only one. | 103 // to unstuck us once it confirms there is only one. |
104 process_terminated_ = base::WaitForSingleProcess(process_.Handle(), | 104 int exit_code; |
105 timeout_); | 105 process_terminated_ = process_.WaitForExitWithTimeout(timeout_, &exit_code); |
106 // Let the test know we are done. | 106 // Let the test know we are done. |
107 done_event_.Signal(); | 107 done_event_.Signal(); |
108 } | 108 } |
109 | 109 |
110 // Public access to simplify the test code using them. | 110 // Public access to simplify the test code using them. |
111 base::WaitableEvent ready_event_; | 111 base::WaitableEvent ready_event_; |
112 base::WaitableEvent done_event_; | 112 base::WaitableEvent done_event_; |
113 base::Process process_; | 113 base::Process process_; |
114 bool process_terminated_; | 114 bool process_terminated_; |
115 | 115 |
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286 SCOPED_TRACE(testing::Message() << pending_starters.size() << | 286 SCOPED_TRACE(testing::Message() << pending_starters.size() << |
287 " starters left."); | 287 " starters left."); |
288 for (size_t i = 0; i < pending_starters.size(); ++i) { | 288 for (size_t i = 0; i < pending_starters.size(); ++i) { |
289 starters_done_events[i] = | 289 starters_done_events[i] = |
290 &chrome_starters_[pending_starters[i]]->done_event_; | 290 &chrome_starters_[pending_starters[i]]->done_event_; |
291 } | 291 } |
292 size_t done_index = base::WaitableEvent::WaitMany( | 292 size_t done_index = base::WaitableEvent::WaitMany( |
293 starters_done_events, pending_starters.size()); | 293 starters_done_events, pending_starters.size()); |
294 size_t starter_index = pending_starters[done_index]; | 294 size_t starter_index = pending_starters[done_index]; |
295 // If the starter is done but has not marked itself as terminated, | 295 // If the starter is done but has not marked itself as terminated, |
296 // it is because it timed out of its WaitForSingleProcess(). Only the | 296 // it is because it timed out of its WaitForExitCodeWithTimeout(). Only |
297 // last one standing should be left waiting... So we failed... | 297 // the last one standing should be left waiting... So we failed... |
298 EXPECT_TRUE(chrome_starters_[starter_index]->process_terminated_ || | 298 EXPECT_TRUE(chrome_starters_[starter_index]->process_terminated_ || |
299 failed) << "There is more than one main process."; | 299 failed) << "There is more than one main process."; |
300 if (!chrome_starters_[starter_index]->process_terminated_) { | 300 if (!chrome_starters_[starter_index]->process_terminated_) { |
301 // This will stop the "for kNbAttempts" loop. | 301 // This will stop the "for kNbAttempts" loop. |
302 failed = true; | 302 failed = true; |
303 // But we let the last loop turn finish so that we can properly | 303 // But we let the last loop turn finish so that we can properly |
304 // kill all remaining processes. Starting with this one... | 304 // kill all remaining processes. Starting with this one... |
305 if (chrome_starters_[starter_index]->process_.IsValid()) { | 305 if (chrome_starters_[starter_index]->process_.IsValid()) { |
306 KillProcessTree(chrome_starters_[starter_index]->process_.Handle()); | 306 KillProcessTree(chrome_starters_[starter_index]->process_.Handle()); |
307 } | 307 } |
308 } | 308 } |
309 pending_starters.erase(pending_starters.begin() + done_index); | 309 pending_starters.erase(pending_starters.begin() + done_index); |
310 } | 310 } |
311 | 311 |
312 // "There can be only one!" :-) | 312 // "There can be only one!" :-) |
313 ASSERT_EQ(static_cast<size_t>(1), pending_starters.size()); | 313 ASSERT_EQ(static_cast<size_t>(1), pending_starters.size()); |
314 size_t last_index = pending_starters.front(); | 314 size_t last_index = pending_starters.front(); |
315 pending_starters.clear(); | 315 pending_starters.clear(); |
316 if (chrome_starters_[last_index]->process_.IsValid()) { | 316 if (chrome_starters_[last_index]->process_.IsValid()) { |
317 KillProcessTree(chrome_starters_[last_index]->process_.Handle()); | 317 KillProcessTree(chrome_starters_[last_index]->process_.Handle()); |
318 chrome_starters_[last_index]->done_event_.Wait(); | 318 chrome_starters_[last_index]->done_event_.Wait(); |
319 } | 319 } |
320 } | 320 } |
321 } | 321 } |
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