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1 // Copyright 2006-2008 the V8 project authors. All rights reserved. | 1 // Copyright 2006-2008 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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192 } | 192 } |
193 static Address address_of_jslimit() { | 193 static Address address_of_jslimit() { |
194 return reinterpret_cast<Address>(&thread_local_.jslimit_); | 194 return reinterpret_cast<Address>(&thread_local_.jslimit_); |
195 } | 195 } |
196 static Address address_of_real_jslimit() { | 196 static Address address_of_real_jslimit() { |
197 return reinterpret_cast<Address>(&thread_local_.real_jslimit_); | 197 return reinterpret_cast<Address>(&thread_local_.real_jslimit_); |
198 } | 198 } |
199 | 199 |
200 private: | 200 private: |
201 // You should hold the ExecutionAccess lock when calling this method. | 201 // You should hold the ExecutionAccess lock when calling this method. |
202 static bool IsSet(const ExecutionAccess& lock); | 202 static bool has_pending_interrupts(const ExecutionAccess& lock) { |
| 203 // Sanity check: We shouldn't be asking about pending interrupts |
| 204 // unless we're not postponing them anymore. |
| 205 ASSERT(!should_postpone_interrupts(lock)); |
| 206 return thread_local_.interrupt_flags_ != 0; |
| 207 } |
203 | 208 |
204 // You should hold the ExecutionAccess lock when calling this method. | 209 // You should hold the ExecutionAccess lock when calling this method. |
205 static void set_limits(uintptr_t value, const ExecutionAccess& lock) { | 210 static bool should_postpone_interrupts(const ExecutionAccess& lock) { |
206 thread_local_.jslimit_ = value; | 211 return thread_local_.postpone_interrupts_nesting_ > 0; |
207 thread_local_.climit_ = value; | 212 } |
| 213 |
| 214 // You should hold the ExecutionAccess lock when calling this method. |
| 215 static void set_interrupt_limits(const ExecutionAccess& lock) { |
| 216 // Ignore attempts to interrupt when interrupts are postponed. |
| 217 if (should_postpone_interrupts(lock)) return; |
| 218 thread_local_.jslimit_ = kInterruptLimit; |
| 219 thread_local_.climit_ = kInterruptLimit; |
208 Heap::SetStackLimits(); | 220 Heap::SetStackLimits(); |
209 } | 221 } |
210 | 222 |
211 // Reset limits to actual values. For example after handling interrupt. | 223 // Reset limits to actual values. For example after handling interrupt. |
212 // You should hold the ExecutionAccess lock when calling this method. | 224 // You should hold the ExecutionAccess lock when calling this method. |
213 static void reset_limits(const ExecutionAccess& lock) { | 225 static void reset_limits(const ExecutionAccess& lock) { |
214 thread_local_.jslimit_ = thread_local_.real_jslimit_; | 226 thread_local_.jslimit_ = thread_local_.real_jslimit_; |
215 thread_local_.climit_ = thread_local_.real_climit_; | 227 thread_local_.climit_ = thread_local_.real_climit_; |
216 Heap::SetStackLimits(); | 228 Heap::SetStackLimits(); |
217 } | 229 } |
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304 v8::Handle<v8::String> name); | 316 v8::Handle<v8::String> name); |
305 static v8::Handle<v8::Value> GC(const v8::Arguments& args); | 317 static v8::Handle<v8::Value> GC(const v8::Arguments& args); |
306 private: | 318 private: |
307 static const char* kSource; | 319 static const char* kSource; |
308 }; | 320 }; |
309 | 321 |
310 | 322 |
311 } } // namespace v8::internal | 323 } } // namespace v8::internal |
312 | 324 |
313 #endif // V8_EXECUTION_H_ | 325 #endif // V8_EXECUTION_H_ |
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