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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project 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 #ifndef V8_EXECUTION_H_ | 5 #ifndef V8_EXECUTION_H_ |
6 #define V8_EXECUTION_H_ | 6 #define V8_EXECUTION_H_ |
7 | 7 |
8 #include "src/handles.h" | 8 #include "src/handles.h" |
9 | 9 |
10 namespace v8 { | 10 namespace v8 { |
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190 return reinterpret_cast<Address>(&thread_local_.jslimit_); | 190 return reinterpret_cast<Address>(&thread_local_.jslimit_); |
191 } | 191 } |
192 Address address_of_real_jslimit() { | 192 Address address_of_real_jslimit() { |
193 return reinterpret_cast<Address>(&thread_local_.real_jslimit_); | 193 return reinterpret_cast<Address>(&thread_local_.real_jslimit_); |
194 } | 194 } |
195 | 195 |
196 // If the stack guard is triggered, but it is not an actual | 196 // If the stack guard is triggered, but it is not an actual |
197 // stack overflow, then handle the interruption accordingly. | 197 // stack overflow, then handle the interruption accordingly. |
198 Object* HandleInterrupts(); | 198 Object* HandleInterrupts(); |
199 | 199 |
| 200 bool InterruptRequested() { return GetCurrentStackPosition() < climit(); } |
| 201 |
| 202 void CheckAndHandleGCInterrupt(); |
| 203 |
200 private: | 204 private: |
201 StackGuard(); | 205 StackGuard(); |
202 | 206 |
203 bool CheckInterrupt(InterruptFlag flag); | 207 bool CheckInterrupt(InterruptFlag flag); |
204 void RequestInterrupt(InterruptFlag flag); | 208 void RequestInterrupt(InterruptFlag flag); |
205 void ClearInterrupt(InterruptFlag flag); | 209 void ClearInterrupt(InterruptFlag flag); |
206 bool CheckAndClearInterrupt(InterruptFlag flag); | 210 bool CheckAndClearInterrupt(InterruptFlag flag); |
207 | 211 |
208 // You should hold the ExecutionAccess lock when calling this method. | 212 // You should hold the ExecutionAccess lock when calling this method. |
209 bool has_pending_interrupts(const ExecutionAccess& lock) { | 213 bool has_pending_interrupts(const ExecutionAccess& lock) { |
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268 friend class Isolate; | 272 friend class Isolate; |
269 friend class StackLimitCheck; | 273 friend class StackLimitCheck; |
270 friend class PostponeInterruptsScope; | 274 friend class PostponeInterruptsScope; |
271 | 275 |
272 DISALLOW_COPY_AND_ASSIGN(StackGuard); | 276 DISALLOW_COPY_AND_ASSIGN(StackGuard); |
273 }; | 277 }; |
274 | 278 |
275 } } // namespace v8::internal | 279 } } // namespace v8::internal |
276 | 280 |
277 #endif // V8_EXECUTION_H_ | 281 #endif // V8_EXECUTION_H_ |
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