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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 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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| 75 ASSERT(i::Isolate::CurrentPerIsolateThreadData()->isolate() == | 75 ASSERT(i::Isolate::CurrentPerIsolateThreadData()->isolate() == |
| 76 i::Isolate::Current()); | 76 i::Isolate::Current()); |
| 77 | 77 |
| 78 Isolate* isolate = Isolate::Current(); | 78 Isolate* isolate = Isolate::Current(); |
| 79 if (isolate->IsDead()) return false; | 79 if (isolate->IsDead()) return false; |
| 80 if (isolate->IsInitialized()) return true; | 80 if (isolate->IsInitialized()) return true; |
| 81 | 81 |
| 82 #ifdef V8_USE_DEFAULT_PLATFORM | 82 #ifdef V8_USE_DEFAULT_PLATFORM |
| 83 DefaultPlatform* platform = static_cast<DefaultPlatform*>(platform_); | 83 DefaultPlatform* platform = static_cast<DefaultPlatform*>(platform_); |
| 84 platform->SetThreadPoolSize(isolate->max_available_threads()); | 84 platform->SetThreadPoolSize(isolate->max_available_threads()); |
| 85 // We currently only start the threads early, if we know that we'll use them. | |
| 86 if (FLAG_job_based_sweeping) platform->EnsureInitialized(); | |
| 87 #endif | 85 #endif |
| 88 | 86 |
| 89 return isolate->Init(des); | 87 return isolate->Init(des); |
| 90 } | 88 } |
| 91 | 89 |
| 92 | 90 |
| 93 void V8::TearDown() { | 91 void V8::TearDown() { |
| 94 Isolate* isolate = Isolate::Current(); | 92 Isolate* isolate = Isolate::Current(); |
| 95 ASSERT(isolate->IsDefaultIsolate()); | 93 ASSERT(isolate->IsDefaultIsolate()); |
| 96 if (!isolate->IsInitialized()) return; | 94 if (!isolate->IsInitialized()) return; |
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| 143 for (int i = 0; i < call_completed_callbacks_->length(); i++) { | 141 for (int i = 0; i < call_completed_callbacks_->length(); i++) { |
| 144 if (callback == call_completed_callbacks_->at(i)) { | 142 if (callback == call_completed_callbacks_->at(i)) { |
| 145 call_completed_callbacks_->Remove(i); | 143 call_completed_callbacks_->Remove(i); |
| 146 } | 144 } |
| 147 } | 145 } |
| 148 } | 146 } |
| 149 | 147 |
| 150 | 148 |
| 151 void V8::FireCallCompletedCallback(Isolate* isolate) { | 149 void V8::FireCallCompletedCallback(Isolate* isolate) { |
| 152 bool has_call_completed_callbacks = call_completed_callbacks_ != NULL; | 150 bool has_call_completed_callbacks = call_completed_callbacks_ != NULL; |
| 153 bool run_microtasks = isolate->autorun_microtasks() && | 151 bool microtask_pending = isolate->microtask_pending(); |
| 154 isolate->microtask_pending(); | 152 if (!has_call_completed_callbacks && !microtask_pending) return; |
| 155 if (!has_call_completed_callbacks && !run_microtasks) return; | |
| 156 | 153 |
| 157 HandleScopeImplementer* handle_scope_implementer = | 154 HandleScopeImplementer* handle_scope_implementer = |
| 158 isolate->handle_scope_implementer(); | 155 isolate->handle_scope_implementer(); |
| 159 if (!handle_scope_implementer->CallDepthIsZero()) return; | 156 if (!handle_scope_implementer->CallDepthIsZero()) return; |
| 160 // Fire callbacks. Increase call depth to prevent recursive callbacks. | 157 // Fire callbacks. Increase call depth to prevent recursive callbacks. |
| 161 handle_scope_implementer->IncrementCallDepth(); | 158 handle_scope_implementer->IncrementCallDepth(); |
| 162 if (run_microtasks) Execution::RunMicrotasks(isolate); | 159 if (microtask_pending) Execution::RunMicrotasks(isolate); |
| 163 if (has_call_completed_callbacks) { | 160 if (has_call_completed_callbacks) { |
| 164 for (int i = 0; i < call_completed_callbacks_->length(); i++) { | 161 for (int i = 0; i < call_completed_callbacks_->length(); i++) { |
| 165 call_completed_callbacks_->at(i)(); | 162 call_completed_callbacks_->at(i)(); |
| 166 } | 163 } |
| 167 } | 164 } |
| 168 handle_scope_implementer->DecrementCallDepth(); | 165 handle_scope_implementer->DecrementCallDepth(); |
| 169 } | 166 } |
| 170 | 167 |
| 171 | 168 |
| 172 void V8::RunMicrotasks(Isolate* isolate) { | |
| 173 if (!isolate->microtask_pending()) | |
| 174 return; | |
| 175 | |
| 176 HandleScopeImplementer* handle_scope_implementer = | |
| 177 isolate->handle_scope_implementer(); | |
| 178 ASSERT(handle_scope_implementer->CallDepthIsZero()); | |
| 179 | |
| 180 // Increase call depth to prevent recursive callbacks. | |
| 181 handle_scope_implementer->IncrementCallDepth(); | |
| 182 Execution::RunMicrotasks(isolate); | |
| 183 handle_scope_implementer->DecrementCallDepth(); | |
| 184 } | |
| 185 | |
| 186 | |
| 187 void V8::InitializeOncePerProcessImpl() { | 169 void V8::InitializeOncePerProcessImpl() { |
| 188 FlagList::EnforceFlagImplications(); | 170 FlagList::EnforceFlagImplications(); |
| 189 | 171 |
| 190 if (FLAG_predictable) { | 172 if (FLAG_predictable) { |
| 191 if (FLAG_random_seed == 0) { | 173 if (FLAG_random_seed == 0) { |
| 192 // Avoid random seeds in predictable mode. | 174 // Avoid random seeds in predictable mode. |
| 193 FLAG_random_seed = 12347; | 175 FLAG_random_seed = 12347; |
| 194 } | 176 } |
| 195 FLAG_hash_seed = 0; | 177 FLAG_hash_seed = 0; |
| 196 } | 178 } |
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| 232 platform_ = NULL; | 214 platform_ = NULL; |
| 233 } | 215 } |
| 234 | 216 |
| 235 | 217 |
| 236 v8::Platform* V8::GetCurrentPlatform() { | 218 v8::Platform* V8::GetCurrentPlatform() { |
| 237 ASSERT(platform_); | 219 ASSERT(platform_); |
| 238 return platform_; | 220 return platform_; |
| 239 } | 221 } |
| 240 | 222 |
| 241 } } // namespace v8::internal | 223 } } // namespace v8::internal |
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