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1 // Copyright 2011 the V8 project authors. All rights reserved. | 1 // Copyright 2011 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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40 #include "serialize.h" | 40 #include "serialize.h" |
41 #include "store-buffer.h" | 41 #include "store-buffer.h" |
42 | 42 |
43 namespace v8 { | 43 namespace v8 { |
44 namespace internal { | 44 namespace internal { |
45 | 45 |
46 static Mutex* init_once_mutex = OS::CreateMutex(); | 46 static Mutex* init_once_mutex = OS::CreateMutex(); |
47 static bool init_once_called = false; | 47 static bool init_once_called = false; |
48 | 48 |
49 bool V8::is_running_ = false; | 49 bool V8::is_running_ = false; |
50 bool V8::has_been_setup_ = false; | 50 bool V8::has_been_set_up_ = false; |
51 bool V8::has_been_disposed_ = false; | 51 bool V8::has_been_disposed_ = false; |
52 bool V8::has_fatal_error_ = false; | 52 bool V8::has_fatal_error_ = false; |
53 bool V8::use_crankshaft_ = true; | 53 bool V8::use_crankshaft_ = true; |
54 List<CallCompletedCallback>* V8::call_completed_callbacks_ = NULL; | 54 List<CallCompletedCallback>* V8::call_completed_callbacks_ = NULL; |
55 | 55 |
56 static Mutex* entropy_mutex = OS::CreateMutex(); | 56 static Mutex* entropy_mutex = OS::CreateMutex(); |
57 static EntropySource entropy_source; | 57 static EntropySource entropy_source; |
58 | 58 |
59 | 59 |
60 bool V8::Initialize(Deserializer* des) { | 60 bool V8::Initialize(Deserializer* des) { |
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75 i::ThreadId::Current())); | 75 i::ThreadId::Current())); |
76 ASSERT(i::Isolate::CurrentPerIsolateThreadData()->isolate() == | 76 ASSERT(i::Isolate::CurrentPerIsolateThreadData()->isolate() == |
77 i::Isolate::Current()); | 77 i::Isolate::Current()); |
78 | 78 |
79 if (IsDead()) return false; | 79 if (IsDead()) return false; |
80 | 80 |
81 Isolate* isolate = Isolate::Current(); | 81 Isolate* isolate = Isolate::Current(); |
82 if (isolate->IsInitialized()) return true; | 82 if (isolate->IsInitialized()) return true; |
83 | 83 |
84 is_running_ = true; | 84 is_running_ = true; |
85 has_been_setup_ = true; | 85 has_been_set_up_ = true; |
86 has_fatal_error_ = false; | 86 has_fatal_error_ = false; |
87 has_been_disposed_ = false; | 87 has_been_disposed_ = false; |
88 | 88 |
89 return isolate->Init(des); | 89 return isolate->Init(des); |
90 } | 90 } |
91 | 91 |
92 | 92 |
93 void V8::SetFatalError() { | 93 void V8::SetFatalError() { |
94 is_running_ = false; | 94 is_running_ = false; |
95 has_fatal_error_ = true; | 95 has_fatal_error_ = true; |
96 } | 96 } |
97 | 97 |
98 | 98 |
99 void V8::TearDown() { | 99 void V8::TearDown() { |
100 Isolate* isolate = Isolate::Current(); | 100 Isolate* isolate = Isolate::Current(); |
101 ASSERT(isolate->IsDefaultIsolate()); | 101 ASSERT(isolate->IsDefaultIsolate()); |
102 | 102 |
103 if (!has_been_setup_ || has_been_disposed_) return; | 103 if (!has_been_set_up_ || has_been_disposed_) return; |
104 isolate->TearDown(); | 104 isolate->TearDown(); |
105 | 105 |
106 is_running_ = false; | 106 is_running_ = false; |
107 has_been_disposed_ = true; | 107 has_been_disposed_ = true; |
108 | 108 |
109 delete call_completed_callbacks_; | 109 delete call_completed_callbacks_; |
110 call_completed_callbacks_ = NULL; | 110 call_completed_callbacks_ = NULL; |
111 } | 111 } |
112 | 112 |
113 | 113 |
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232 | 232 |
233 return heap_number; | 233 return heap_number; |
234 } | 234 } |
235 | 235 |
236 | 236 |
237 void V8::InitializeOncePerProcess() { | 237 void V8::InitializeOncePerProcess() { |
238 ScopedLock lock(init_once_mutex); | 238 ScopedLock lock(init_once_mutex); |
239 if (init_once_called) return; | 239 if (init_once_called) return; |
240 init_once_called = true; | 240 init_once_called = true; |
241 | 241 |
242 // Setup the platform OS support. | 242 // Set up the platform OS support. |
243 OS::Setup(); | 243 OS::SetUp(); |
244 | 244 |
245 use_crankshaft_ = FLAG_crankshaft; | 245 use_crankshaft_ = FLAG_crankshaft; |
246 | 246 |
247 if (Serializer::enabled()) { | 247 if (Serializer::enabled()) { |
248 use_crankshaft_ = false; | 248 use_crankshaft_ = false; |
249 } | 249 } |
250 | 250 |
251 CPU::Setup(); | 251 CPU::SetUp(); |
252 if (!CPU::SupportsCrankshaft()) { | 252 if (!CPU::SupportsCrankshaft()) { |
253 use_crankshaft_ = false; | 253 use_crankshaft_ = false; |
254 } | 254 } |
255 | 255 |
256 RuntimeProfiler::GlobalSetup(); | 256 RuntimeProfiler::GlobalSetup(); |
257 | 257 |
258 // Peephole optimization might interfere with deoptimization. | 258 // Peephole optimization might interfere with deoptimization. |
259 FLAG_peephole_optimization = !use_crankshaft_; | 259 FLAG_peephole_optimization = !use_crankshaft_; |
260 | 260 |
261 ElementsAccessor::InitializeOncePerProcess(); | 261 ElementsAccessor::InitializeOncePerProcess(); |
262 | 262 |
263 if (FLAG_stress_compaction) { | 263 if (FLAG_stress_compaction) { |
264 FLAG_force_marking_deque_overflows = true; | 264 FLAG_force_marking_deque_overflows = true; |
265 FLAG_gc_global = true; | 265 FLAG_gc_global = true; |
266 FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2; | 266 FLAG_max_new_space_size = (1 << (kPageSizeBits - 10)) * 2; |
267 } | 267 } |
268 } | 268 } |
269 | 269 |
270 } } // namespace v8::internal | 270 } } // namespace v8::internal |
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