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| 1 /* | 1 /* |
| 2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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| 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 29 */ | 29 */ |
| 30 | 30 |
| 31 #ifndef ThreadState_h | 31 #ifndef ThreadState_h |
| 32 #define ThreadState_h | 32 #define ThreadState_h |
| 33 | 33 |
| 34 #include <memory> |
| 34 #include "platform/PlatformExport.h" | 35 #include "platform/PlatformExport.h" |
| 35 #include "platform/heap/BlinkGC.h" | 36 #include "platform/heap/BlinkGC.h" |
| 36 #include "platform/heap/ThreadingTraits.h" | 37 #include "platform/heap/ThreadingTraits.h" |
| 37 #include "public/platform/WebThread.h" | 38 #include "public/platform/WebThread.h" |
| 38 #include "wtf/AddressSanitizer.h" | 39 #include "wtf/AddressSanitizer.h" |
| 39 #include "wtf/Allocator.h" | 40 #include "wtf/Allocator.h" |
| 40 #include "wtf/Forward.h" | 41 #include "wtf/Forward.h" |
| 41 #include "wtf/Functional.h" | 42 #include "wtf/Functional.h" |
| 42 #include "wtf/HashMap.h" | 43 #include "wtf/HashMap.h" |
| 43 #include "wtf/HashSet.h" | 44 #include "wtf/HashSet.h" |
| 44 #include "wtf/ThreadSpecific.h" | 45 #include "wtf/ThreadSpecific.h" |
| 45 #include "wtf/Threading.h" | 46 #include "wtf/Threading.h" |
| 46 #include "wtf/ThreadingPrimitives.h" | 47 #include "wtf/ThreadingPrimitives.h" |
| 47 #include <memory> | |
| 48 | 48 |
| 49 namespace v8 { | 49 namespace v8 { |
| 50 class Isolate; | 50 class Isolate; |
| 51 }; | 51 }; |
| 52 | 52 |
| 53 namespace blink { | 53 namespace blink { |
| 54 | 54 |
| 55 class BasePage; | 55 class BasePage; |
| 56 class GarbageCollectedMixinConstructorMarker; | 56 class GarbageCollectedMixinConstructorMarker; |
| 57 class PersistentNode; | 57 class PersistentNode; |
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| 166 | 166 |
| 167 // Associate ThreadState object with the current thread. After this | 167 // Associate ThreadState object with the current thread. After this |
| 168 // call thread can start using the garbage collected heap infrastructure. | 168 // call thread can start using the garbage collected heap infrastructure. |
| 169 // It also has to periodically check for safepoints. | 169 // It also has to periodically check for safepoints. |
| 170 static void attachCurrentThread(); | 170 static void attachCurrentThread(); |
| 171 | 171 |
| 172 // Disassociate attached ThreadState from the current thread. The thread | 172 // Disassociate attached ThreadState from the current thread. The thread |
| 173 // can no longer use the garbage collected heap after this call. | 173 // can no longer use the garbage collected heap after this call. |
| 174 static void detachCurrentThread(); | 174 static void detachCurrentThread(); |
| 175 | 175 |
| 176 static ThreadState* current() { | 176 static ThreadState* current() { return **s_threadSpecific; } |
| 177 return **s_threadSpecific; | |
| 178 } | |
| 179 | 177 |
| 180 static ThreadState* mainThreadState() { | 178 static ThreadState* mainThreadState() { |
| 181 return reinterpret_cast<ThreadState*>(s_mainThreadStateStorage); | 179 return reinterpret_cast<ThreadState*>(s_mainThreadStateStorage); |
| 182 } | 180 } |
| 183 | 181 |
| 184 static ThreadState* fromObject(const void*); | 182 static ThreadState* fromObject(const void*); |
| 185 | 183 |
| 186 bool isMainThread() const { return this == mainThreadState(); } | 184 bool isMainThread() const { return this == mainThreadState(); } |
| 187 bool checkThread() const { return m_thread == currentThread(); } | 185 bool checkThread() const { return m_thread == currentThread(); } |
| 188 | 186 |
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| 702 class ThreadStateFor<AnyThread> { | 700 class ThreadStateFor<AnyThread> { |
| 703 STATIC_ONLY(ThreadStateFor); | 701 STATIC_ONLY(ThreadStateFor); |
| 704 | 702 |
| 705 public: | 703 public: |
| 706 static ThreadState* state() { return ThreadState::current(); } | 704 static ThreadState* state() { return ThreadState::current(); } |
| 707 }; | 705 }; |
| 708 | 706 |
| 709 } // namespace blink | 707 } // namespace blink |
| 710 | 708 |
| 711 #endif // ThreadState_h | 709 #endif // ThreadState_h |
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