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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 #include "content/browser/browser_thread_impl.h" | 5 #include "content/browser/browser_thread_impl.h" |
6 | 6 |
7 #include <string> | 7 #include <string> |
8 | 8 |
9 #include "base/atomicops.h" | 9 #include "base/atomicops.h" |
10 #include "base/bind.h" | 10 #include "base/bind.h" |
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332 return g_globals.Get().blocking_pool->PostNamedSequencedWorkerTask( | 332 return g_globals.Get().blocking_pool->PostNamedSequencedWorkerTask( |
333 sequence_token_name, from_here, task); | 333 sequence_token_name, from_here, task); |
334 } | 334 } |
335 | 335 |
336 // static | 336 // static |
337 base::SequencedWorkerPool* BrowserThread::GetBlockingPool() { | 337 base::SequencedWorkerPool* BrowserThread::GetBlockingPool() { |
338 return g_globals.Get().blocking_pool.get(); | 338 return g_globals.Get().blocking_pool.get(); |
339 } | 339 } |
340 | 340 |
341 // static | 341 // static |
342 bool BrowserThread::IsWellKnownThread(ID identifier) { | 342 bool BrowserThread::IsThreadInitialized(ID identifier) { |
343 if (g_globals == NULL) | 343 if (g_globals == NULL) |
344 return false; | 344 return false; |
345 | 345 |
346 BrowserThreadGlobals& globals = g_globals.Get(); | 346 BrowserThreadGlobals& globals = g_globals.Get(); |
347 base::AutoLock lock(globals.lock); | 347 base::AutoLock lock(globals.lock); |
348 return (identifier >= 0 && identifier < ID_COUNT && | 348 DCHECK(identifier >= 0 && identifier < ID_COUNT); |
349 globals.threads[identifier]); | 349 return globals.threads[identifier] != NULL; |
350 } | 350 } |
351 | 351 |
352 // static | 352 // static |
353 bool BrowserThread::CurrentlyOn(ID identifier) { | 353 bool BrowserThread::CurrentlyOn(ID identifier) { |
354 // We shouldn't use MessageLoop::current() since it uses LazyInstance which | 354 // We shouldn't use MessageLoop::current() since it uses LazyInstance which |
355 // may be deleted by ~AtExitManager when a WorkerPool thread calls this | 355 // may be deleted by ~AtExitManager when a WorkerPool thread calls this |
356 // function. | 356 // function. |
357 // http://crbug.com/63678 | 357 // http://crbug.com/63678 |
358 base::ThreadRestrictions::ScopedAllowSingleton allow_singleton; | 358 base::ThreadRestrictions::ScopedAllowSingleton allow_singleton; |
359 BrowserThreadGlobals& globals = g_globals.Get(); | 359 BrowserThreadGlobals& globals = g_globals.Get(); |
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473 AtomicWord* storage = reinterpret_cast<AtomicWord*>( | 473 AtomicWord* storage = reinterpret_cast<AtomicWord*>( |
474 &globals.thread_delegates[identifier]); | 474 &globals.thread_delegates[identifier]); |
475 AtomicWord old_pointer = base::subtle::NoBarrier_AtomicExchange( | 475 AtomicWord old_pointer = base::subtle::NoBarrier_AtomicExchange( |
476 storage, reinterpret_cast<AtomicWord>(delegate)); | 476 storage, reinterpret_cast<AtomicWord>(delegate)); |
477 | 477 |
478 // This catches registration when previously registered. | 478 // This catches registration when previously registered. |
479 DCHECK(!delegate || !old_pointer); | 479 DCHECK(!delegate || !old_pointer); |
480 } | 480 } |
481 | 481 |
482 } // namespace content | 482 } // namespace content |
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