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Issue 6070009: Added labelled thread names to help with some debugging activity. Right now,... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 9 years, 11 months ago
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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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373 } 373 }
374 } 374 }
375 375
376 376
377 // This is the ContextSwitcher singleton. There is at most a single thread 377 // This is the ContextSwitcher singleton. There is at most a single thread
378 // running which delivers preemption events to V8 threads. 378 // running which delivers preemption events to V8 threads.
379 ContextSwitcher* ContextSwitcher::singleton_ = NULL; 379 ContextSwitcher* ContextSwitcher::singleton_ = NULL;
380 380
381 381
382 ContextSwitcher::ContextSwitcher(int every_n_ms) 382 ContextSwitcher::ContextSwitcher(int every_n_ms)
383 : keep_going_(true), 383 : Thread("v8:CtxtSwitcher"),
384 keep_going_(true),
384 sleep_ms_(every_n_ms) { 385 sleep_ms_(every_n_ms) {
385 } 386 }
386 387
387 388
388 // Set the scheduling interval of V8 threads. This function starts the 389 // Set the scheduling interval of V8 threads. This function starts the
389 // ContextSwitcher thread if needed. 390 // ContextSwitcher thread if needed.
390 void ContextSwitcher::StartPreemption(int every_n_ms) { 391 void ContextSwitcher::StartPreemption(int every_n_ms) {
391 ASSERT(Locker::IsLocked()); 392 ASSERT(Locker::IsLocked());
392 if (singleton_ == NULL) { 393 if (singleton_ == NULL) {
393 // If the ContextSwitcher thread is not running at the moment start it now. 394 // If the ContextSwitcher thread is not running at the moment start it now.
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430 // Acknowledge the preemption by the receiving thread. 431 // Acknowledge the preemption by the receiving thread.
431 void ContextSwitcher::PreemptionReceived() { 432 void ContextSwitcher::PreemptionReceived() {
432 ASSERT(Locker::IsLocked()); 433 ASSERT(Locker::IsLocked());
433 // There is currently no accounting being done for this. But could be in the 434 // There is currently no accounting being done for this. But could be in the
434 // future, which is why we leave this in. 435 // future, which is why we leave this in.
435 } 436 }
436 437
437 438
438 } // namespace internal 439 } // namespace internal
439 } // namespace v8 440 } // namespace v8
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