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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium 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 #include "gin/public/isolate_holder.h" | 5 #include "gin/public/isolate_holder.h" |
| 6 | 6 |
| 7 #include <stdlib.h> | 7 #include <stdlib.h> |
| 8 #include <string.h> | 8 #include <string.h> |
| 9 | 9 |
| 10 #include "base/logging.h" | 10 #include "base/logging.h" |
| (...skipping 17 matching lines...) Expand all Loading... |
| 28 } | 28 } |
| 29 | 29 |
| 30 } // namespace | 30 } // namespace |
| 31 | 31 |
| 32 IsolateHolder::IsolateHolder() { | 32 IsolateHolder::IsolateHolder() { |
| 33 CHECK(g_array_buffer_allocator) | 33 CHECK(g_array_buffer_allocator) |
| 34 << "You need to invoke gin::IsolateHolder::Initialize first"; | 34 << "You need to invoke gin::IsolateHolder::Initialize first"; |
| 35 v8::Isolate::CreateParams params; | 35 v8::Isolate::CreateParams params; |
| 36 params.entry_hook = DebugImpl::GetFunctionEntryHook(); | 36 params.entry_hook = DebugImpl::GetFunctionEntryHook(); |
| 37 params.code_event_handler = DebugImpl::GetJitCodeEventHandler(); | 37 params.code_event_handler = DebugImpl::GetJitCodeEventHandler(); |
| 38 params.constraints.ConfigureDefaults(base::SysInfo::AmountOfPhysicalMemory(), |
| 39 base::SysInfo::AmountOfVirtualMemory(), |
| 40 base::SysInfo::NumberOfProcessors()); |
| 38 isolate_ = v8::Isolate::New(params); | 41 isolate_ = v8::Isolate::New(params); |
| 39 v8::ResourceConstraints constraints; | |
| 40 constraints.ConfigureDefaults(base::SysInfo::AmountOfPhysicalMemory(), | |
| 41 base::SysInfo::AmountOfVirtualMemory(), | |
| 42 base::SysInfo::NumberOfProcessors()); | |
| 43 v8::SetResourceConstraints(isolate_, &constraints); | |
| 44 isolate_data_.reset(new PerIsolateData(isolate_, g_array_buffer_allocator)); | 42 isolate_data_.reset(new PerIsolateData(isolate_, g_array_buffer_allocator)); |
| 45 } | 43 } |
| 46 | 44 |
| 47 IsolateHolder::~IsolateHolder() { | 45 IsolateHolder::~IsolateHolder() { |
| 48 isolate_data_.reset(); | 46 isolate_data_.reset(); |
| 49 isolate_->Dispose(); | 47 isolate_->Dispose(); |
| 50 } | 48 } |
| 51 | 49 |
| 52 // static | 50 // static |
| 53 void IsolateHolder::Initialize(ScriptMode mode, | 51 void IsolateHolder::Initialize(ScriptMode mode, |
| 54 v8::ArrayBuffer::Allocator* allocator) { | 52 v8::ArrayBuffer::Allocator* allocator) { |
| 55 CHECK(allocator); | 53 CHECK(allocator); |
| 56 static bool v8_is_initialized = false; | 54 static bool v8_is_initialized = false; |
| 57 if (v8_is_initialized) | 55 if (v8_is_initialized) |
| 58 return; | 56 return; |
| 59 v8::V8::InitializePlatform(V8Platform::Get()); | 57 v8::V8::InitializePlatform(V8Platform::Get()); |
| 60 v8::V8::SetArrayBufferAllocator(allocator); | 58 v8::V8::SetArrayBufferAllocator(allocator); |
| 61 g_array_buffer_allocator = allocator; | 59 g_array_buffer_allocator = allocator; |
| 62 if (mode == gin::IsolateHolder::kStrictMode) { | 60 if (mode == gin::IsolateHolder::kStrictMode) { |
| 63 static const char v8_flags[] = "--use_strict"; | 61 static const char v8_flags[] = "--use_strict"; |
| 64 v8::V8::SetFlagsFromString(v8_flags, sizeof(v8_flags) - 1); | 62 v8::V8::SetFlagsFromString(v8_flags, sizeof(v8_flags) - 1); |
| 65 } | 63 } |
| 66 v8::V8::SetEntropySource(&GenerateEntropy); | 64 v8::V8::SetEntropySource(&GenerateEntropy); |
| 67 v8::V8::Initialize(); | 65 v8::V8::Initialize(); |
| 68 v8_is_initialized = true; | 66 v8_is_initialized = true; |
| 69 } | 67 } |
| 70 | 68 |
| 71 } // namespace gin | 69 } // namespace gin |
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