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| 1 // Copyright 2008 the V8 project authors. All rights reserved. | 1 // Copyright 2008 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 394 state != NULL; | 394 state != NULL; |
| 395 state = state->Next()) { | 395 state = state->Next()) { |
| 396 if (thread_id.Equals(state->id())) { | 396 if (thread_id.Equals(state->id())) { |
| 397 state->set_terminate_on_restore(true); | 397 state->set_terminate_on_restore(true); |
| 398 } | 398 } |
| 399 } | 399 } |
| 400 } | 400 } |
| 401 | 401 |
| 402 | 402 |
| 403 ContextSwitcher::ContextSwitcher(Isolate* isolate, int every_n_ms) | 403 ContextSwitcher::ContextSwitcher(Isolate* isolate, int every_n_ms) |
| 404 : Thread(isolate, "v8:CtxtSwitcher"), | 404 : Thread("v8:CtxtSwitcher"), |
| 405 keep_going_(true), | 405 keep_going_(true), |
| 406 sleep_ms_(every_n_ms) { | 406 sleep_ms_(every_n_ms), |
| 407 isolate_(isolate) { |
| 407 } | 408 } |
| 408 | 409 |
| 409 | 410 |
| 410 // Set the scheduling interval of V8 threads. This function starts the | 411 // Set the scheduling interval of V8 threads. This function starts the |
| 411 // ContextSwitcher thread if needed. | 412 // ContextSwitcher thread if needed. |
| 412 void ContextSwitcher::StartPreemption(int every_n_ms) { | 413 void ContextSwitcher::StartPreemption(int every_n_ms) { |
| 413 Isolate* isolate = Isolate::Current(); | 414 Isolate* isolate = Isolate::Current(); |
| 414 ASSERT(Locker::IsLocked(reinterpret_cast<v8::Isolate*>(isolate))); | 415 ASSERT(Locker::IsLocked(reinterpret_cast<v8::Isolate*>(isolate))); |
| 415 if (isolate->context_switcher() == NULL) { | 416 if (isolate->context_switcher() == NULL) { |
| 416 // If the ContextSwitcher thread is not running at the moment start it now. | 417 // If the ContextSwitcher thread is not running at the moment start it now. |
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| 455 // Acknowledge the preemption by the receiving thread. | 456 // Acknowledge the preemption by the receiving thread. |
| 456 void ContextSwitcher::PreemptionReceived() { | 457 void ContextSwitcher::PreemptionReceived() { |
| 457 ASSERT(Locker::IsLocked()); | 458 ASSERT(Locker::IsLocked()); |
| 458 // There is currently no accounting being done for this. But could be in the | 459 // There is currently no accounting being done for this. But could be in the |
| 459 // future, which is why we leave this in. | 460 // future, which is why we leave this in. |
| 460 } | 461 } |
| 461 | 462 |
| 462 | 463 |
| 463 } // namespace internal | 464 } // namespace internal |
| 464 } // namespace v8 | 465 } // namespace v8 |
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