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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 #include "platform/assert.h" | 5 #include "platform/assert.h" |
6 #include "vm/isolate.h" | 6 #include "vm/isolate.h" |
7 #include "vm/lockers.h" | 7 #include "vm/lockers.h" |
8 #include "vm/unit_test.h" | 8 #include "vm/unit_test.h" |
9 #include "vm/profiler.h" | 9 #include "vm/profiler.h" |
10 #include "vm/safepoint.h" | 10 #include "vm/safepoint.h" |
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53 while (attempts < kNumAttempts) { | 53 while (attempts < kNumAttempts) { |
54 MonitorLocker ml(monitor); | 54 MonitorLocker ml(monitor); |
55 int64_t start = OS::GetCurrentMonotonicMicros(); | 55 int64_t start = OS::GetCurrentMonotonicMicros(); |
56 int64_t wait_time = 2017; | 56 int64_t wait_time = 2017; |
57 Monitor::WaitResult wait_result = ml.Wait(wait_time); | 57 Monitor::WaitResult wait_result = ml.Wait(wait_time); |
58 int64_t stop = OS::GetCurrentMonotonicMicros(); | 58 int64_t stop = OS::GetCurrentMonotonicMicros(); |
59 | 59 |
60 // We expect to be timing out here. | 60 // We expect to be timing out here. |
61 EXPECT_EQ(Monitor::kTimedOut, wait_result); | 61 EXPECT_EQ(Monitor::kTimedOut, wait_result); |
62 | 62 |
63 // Check whether this attempt falls within the exptected time limits. | 63 // Check whether this attempt falls within the expected time limits. |
64 int64_t wakeup_time = (stop - start) / kMicrosecondsPerMillisecond; | 64 int64_t wakeup_time = (stop - start) / kMicrosecondsPerMillisecond; |
65 OS::Print("wakeup_time: %" Pd64 "\n", wakeup_time); | 65 OS::Print("wakeup_time: %" Pd64 "\n", wakeup_time); |
66 const int kAcceptableTimeJitter = 20; // Measured in milliseconds. | 66 const int kAcceptableTimeJitter = 20; // Measured in milliseconds. |
67 const int kAcceptableWakeupDelay = 150; // Measured in milliseconds. | 67 const int kAcceptableWakeupDelay = 150; // Measured in milliseconds. |
68 if (((wait_time - kAcceptableTimeJitter) <= wakeup_time) && | 68 if (((wait_time - kAcceptableTimeJitter) <= wakeup_time) && |
69 (wakeup_time <= (wait_time + kAcceptableWakeupDelay))) { | 69 (wakeup_time <= (wait_time + kAcceptableWakeupDelay))) { |
70 break; | 70 break; |
71 } | 71 } |
72 | 72 |
73 // Record the attempt. | 73 // Record the attempt. |
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780 TransitionVMToBlocked transition(thread); | 780 TransitionVMToBlocked transition(thread); |
781 MonitorLocker ml(&done_monitor); | 781 MonitorLocker ml(&done_monitor); |
782 if (done) { | 782 if (done) { |
783 break; | 783 break; |
784 } | 784 } |
785 } | 785 } |
786 } | 786 } |
787 } | 787 } |
788 | 788 |
789 } // namespace dart | 789 } // namespace dart |
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